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Tytuł:
Minimal and co-minimal projections in spaces of continuous functions
Autorzy:
Mielczarek, D.
Powiązania:
https://bibliotekanauki.pl/articles/255592.pdf
Data publikacji:
2010
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
minimal projection
co-minimal projection
Opis:
Minimal and co-minimal projections in the space C[0, 1] are studied. We construct a minimal and co-minimal projection from C[0, 1] onto a subspace Y defined in the introduction.
Źródło:
Opuscula Mathematica; 2010, 30, 4; 457-464
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Deformation minimal bending of compact manifolds: case of simple closed curves
Autorzy:
Bihun, O.
Chicone, C.
Powiązania:
https://bibliotekanauki.pl/articles/255111.pdf
Data publikacji:
2008
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
minimal deformation
distortion minimal
geometric optimization
Opis:
The problem of minimal distortion bending of smooth compact embedded con-nected Riemannian n-manifolds M and N without boundary is made precise by defining a deformation energy functional φ on the set of diffeomorphisms Diff (M, N). We derive the Euler-Lagrange equation for φ and determine smooth minimizers of φ in case M and N are simple closed curves.
Źródło:
Opuscula Mathematica; 2008, 28, 1; 19-28
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Arankings of Trees
Autorzy:
Pillone, D.
Powiązania:
https://bibliotekanauki.pl/articles/31343445.pdf
Data publikacji:
2019-05-01
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
minimal ranking
coloring
tree
Opis:
For a graph G = (V, E), a function f : V (G) → {1, 2, . . ., k} is a kranking for G if f(u) = f(v) implies that every u − v path contains a vertex w such that f(w) > f(u). A minimal k-ranking, f, of a graph, G, is a k-ranking with the property that decreasing the label of any vertex results in the ranking property being violated. The rank number χr(G) and the arank number ψr(G) are, respectively, the minimum and maximum value of k such that G has a minimal k-ranking. This paper establishes an upper bound for ψr of a tree and shows the bound is sharp for perfect k-ary trees.
Źródło:
Discussiones Mathematicae Graph Theory; 2019, 39, 2; 415-437
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Almost associative operations generating a minimal clone
Autorzy:
Waldhauser, Tamás
Powiązania:
https://bibliotekanauki.pl/articles/729157.pdf
Data publikacji:
2006
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
clone
minimal clone
groupoid
associativity
Opis:
Characterizations of 'almost associative' binary operations generating a minimal clone are given for two interpretations of the term 'almost associative'. One of them uses the associative spectrum, the other one uses the index of nonassociativity to measure how far an operation is from being associative.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2006, 26, 1; 45-73
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
France’s unfailing support under economic influence
Autorzy:
Kalos, Aram
Powiązania:
https://bibliotekanauki.pl/articles/24020097.pdf
Data publikacji:
2023
Wydawca:
Krakowska Akademia im. Andrzeja Frycza Modrzewskiego
Tematy:
solidarity
dialogue
minimal aid
weakening
reconstruction
Opis:
France has always prioritized firmness, dialogue, and solidarity in its relationship with Ukraine. In response to the conflict, France has taken on the role of a mediator, engaging in dialogue with the Russian leader in an attempt to discourage further aggression. Despite criticism from the international community, France has also provided military aid, including ammunition and cannons, as a demonstration of its expertise in armaments. Although the aid is minimal compared to its arsenal, France fears weakening and seeks to showcase its power. In addition, France has deployed personnel, including instructors for training purposes. Demonstrating its commitment to solidarity, France has provided support in energy, food supply, water access, health care, and transport infrastructure to Ukraine, and reiterated its support at the international conference in December 2022. By contributing in these areas, France intends to play a valuable role in the post-war reconstruction of Ukraine, solidifying its position as a reliable partner in the process. Overall, France’s commitment to Ukraine is clear, and its effective efforts are an indication of its intention to assist Ukraine in its time of need.
Źródło:
Bezpieczeństwo. Teoria i Praktyka; 2023, LII, 3; 107-116
1899-6264
2451-0718
Pojawia się w:
Bezpieczeństwo. Teoria i Praktyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metodyka oceny bezpieczeństwa użytkowania maszyn
Evaluation of safe operation machines
Autorzy:
Łakomy, K.
Nowacki, K.
Powiązania:
https://bibliotekanauki.pl/articles/339683.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Zarządzania Produkcją
Tematy:
minimalne wymagania bezpieczeństwa
minimal safety requirements
Opis:
Work safety, which is one of key priorities in industrial enterprises, tends to be determined by such factors as the technical condition of a company’s stock of machines. Understandably, every employer would like their machines to be well operated and, at the same time, to remain safe - in the broad meaning of this term - for operators who work on them. In case of new machines, safety issues are handled by manufacturers, which are obliged by the law to produce equipment which meets the basic requirements in this respect. When it comes to so-called old machines, however, i.e. the ones brought into the market before Poland’s EU accession, the situation is different. Under a regulation which applies in that case, entities which keep such machines are responsible for adapting them to minimum safety requirements. Otherwise, they will no longer be allowed to use the machines. There are a number of companies which have failed to satisfy these requirements so far and continue to use their working tools in a way which is incompliant with the legal regulations. Likely reasons for that may include a company’s poor financial standing as the adaptation of the machines which have been in use for a long time can be quite expensive. In the absence of clear legal guidelines, it is not an easy task to establish whether minimum safety requirements are met or not. A tool which may be used to evaluate the safety of a machine is a checklist. Such a list was devised, for the needs of the paper, based on the Ordinance on Minimum Requirements related to Occupational Health and Safety for Operation of Machines by Employees, the Ordinance on General OHS Regulations, the Labour Code and the Polish standards. A well-composed checklist can be used to assess and review working conditions at a given workstation.
Źródło:
Zarządzanie Przedsiębiorstwem; 2017, 20, 2; 7-12
1643-4773
Pojawia się w:
Zarządzanie Przedsiębiorstwem
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On vertex stability with regard to complete bipartite subgraphs
Autorzy:
Dudek, Aneta
Żak, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/744100.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
vertex stable
bipartite graph
minimal size
Opis:
A graph G is called (H;k)-vertex stable if G contains a subgraph isomorphic to H ever after removing any of its k vertices. Q(H;k) denotes the minimum size among the sizes of all (H;k)-vertex stable graphs. In this paper we complete the characterization of $(K_{m,n};1)$-vertex stable graphs with minimum size. Namely, we prove that for m ≥ 2 and n ≥ m+2, $Q(K_{m,n};1) = mn+m+n$ and $K_{m,n}*K₁$ as well as $K_{m+1,n+1} - e$ are the only $(K_{m,n};1)$-vertex stable graphs with minimum size, confirming the conjecture of Dudek and Zwonek.
Źródło:
Discussiones Mathematicae Graph Theory; 2010, 30, 4; 663-669
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On lower Lipschitz continuity of minimal points
Autorzy:
Bednarczuk, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/729359.pdf
Data publikacji:
2000
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
minimal points
Lipschitz continuity
vector optimization
Opis:
In this paper we investigate the lower Lipschitz continuity of minimal points of an arbitrary set A depending upon a parameter u . Our results are formulated with the help of the modulus of minimality. The crucial requirement which allows us to derive sufficient conditions for lower Lipschitz continuity of minimal points is that the modulus of minimality is at least linear. The obtained results can be directly applied to stability analysis of vector optimization problems.
Źródło:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization; 2000, 20, 2; 245-255
1509-9407
Pojawia się w:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Minimal formations of universal algebras
Autorzy:
Guo, Wenbin
Shum, K.
Powiązania:
https://bibliotekanauki.pl/articles/728734.pdf
Data publikacji:
2001
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
universal algebra
congruence
formation
minimal subformation
Opis:
A class ℱ of universal algebras is called a formation if the following conditions are satisfied: 1) Any homomorphic image of A ∈ ℱ is in ℱ; 2) If α₁, α₂ are congruences on A and $A/α_{i} ∈ ℱ$, i = 1,2, then A/(α₁∩α₂) ∈ ℱ. We prove that any formation generated by a simple algebra with permutable congruences is minimal, and hence any formation containing a simple algebra, with permutable congruences, contains a minimum subformation. This result gives a partial answer to an open problem of Shemetkov and Skiba on formations of finite universal algebras proposed in 1989.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2001, 21, 2; 201-205
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Robin Heart Vision, telemanipulator for camera holding preliminary test results
Autorzy:
Nawrat, Z.
Kostka, P.
Powiązania:
https://bibliotekanauki.pl/articles/384474.pdf
Data publikacji:
2007
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
surgery robots
minimal invasive surgery
telesurgery
Opis:
This paper presents the general information of mechanical structure, control system and preliminary technical evaluation results of the new polish telemanipulator for camera holding Robin Heart VisionŽ, belonging to the family of robot arms to support the minimal invasive cardiac surgery. It has four degrees of freedom with the interface for quick endoscope fixing. It was designed and carried out as a standalone robotic assistant for manual laparoscopic surgery or to operate together with the tool arms Robin HeartŽ.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2007, 1, 1; 48-63
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Current approaches to disentagle the mystery of knotted protein folding
Autorzy:
Dabrowski-Tumanski, P.
Sklodowski, M.
Sulkowska, J. I.
Powiązania:
https://bibliotekanauki.pl/articles/1938626.pdf
Data publikacji:
2016
Wydawca:
Politechnika Gdańska
Tematy:
knotted proteins
minimal contact map
YibK
Opis:
The folding of knotted proteins remains a mystery both for theoreticians and experimentalists. Despite the development of new models, the driving force for self-tying remains elusive and the principle of minimal frustration cannot be reproduced in silico. In this paper we review different models used to understand protein self-knotting and suggest, how to improve the structure based model to observe efficient folding. Our preliminary results show, that including information about some amino acids properties, or reducing the set of physical contacts may be beneficial for modeling of the knotted protein folding.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2016, 20, 4; 361-372
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Approximately optimum strata boundaries for two concomitant stratification variables under proportional allocation
Autorzy:
Danish, Faizan
Rizvi, S. E. H.
Powiązania:
https://bibliotekanauki.pl/articles/1917115.pdf
Data publikacji:
2021-12-08
Wydawca:
Główny Urząd Statystyczny
Tematy:
stratification points
proportional allocation
minimal equation
Opis:
The proper choice of strata boundaries is an important factor determining the efficiency of the estimator of the considered characteristics of a population. In this article, the Cum Di(x,z) Rule (i=3,4) for obtaining approximately optimum strata boundaries has been applied, taking into account a single-study variable along with two concomitant variables serving as the basis of the stratification variables. The relative efficiency of the proposed methods has been demonstrated theoretically and empirically by comparing them to a selection of already-existing methods in a simulation study with the use of the proportional allocation method.
Źródło:
Statistics in Transition new series; 2021, 22, 4; 19-40
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Two-dimensional real symmetric spaces with maximal projection constant
Autorzy:
Chalmers, Bruce
Lewicki, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/1208018.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
absolute projection constant
minimal projection
symmetric spaces
Opis:
Let V be a two-dimensional real symmetric space with unit ball having 8n extreme points. Let λ(V) denote the absolute projection constant of V. We show that $λ(V) ≤ λ(V_n)$ where $V_n$ is the space whose ball is a regular 8n-polygon. Also we reprove a result of [1] and [5] which states that $4/π = λ(l₂^{(2)}) ≥ λ(V)$ for any two-dimensional real symmetric space V.
Źródło:
Annales Polonici Mathematici; 2000, 73, 2; 119-134
0066-2216
Pojawia się w:
Annales Polonici Mathematici
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Generalized symmetric spaces and minimal models
Autorzy:
Dumańska-Małyszko, Anna
Stępień, Zofia
Tralle, Aleksy
Powiązania:
https://bibliotekanauki.pl/articles/1311095.pdf
Data publikacji:
1996
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
minimal model
Koszul complex
generalized symmetric space
Opis:
We prove that any compact simply connected manifold carrying a structure of Riemannian 3- or 4-symmetric space is formal in the sense of Sullivan. This result generalizes Sullivan's classical theorem on the formality of symmetric spaces, but the proof is of a different nature, since for generalized symmetric spaces techniques based on the Hodge theory do not work. We use the Thomas theory of minimal models of fibrations and the classification of 3- and 4-symmetric spaces.
Źródło:
Annales Polonici Mathematici; 1996, 64, 1; 17-35
0066-2216
Pojawia się w:
Annales Polonici Mathematici
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Listening to Different Texts: Between Reich and Eco with Nycz
Autorzy:
Szyszkowska, Małgorzata A.
Powiązania:
https://bibliotekanauki.pl/articles/451407.pdf
Data publikacji:
2019-10-31
Wydawca:
Uniwersytet Warszawski. Wydział Filozofii
Tematy:
intertextuality
multilayeredness
hermeneutics
minimal music
listening-in
Opis:
In this essay, the author considers intertextuality in contemporary musical work, conceptualizing it not only as a critical category and as an artistic convention, but also as an aesthetic strategy. Listening for texts, as it were, opens the work for influences and gives it new purposes. The multiple texts, which are mutually interdependent, alter each other’s meaning and are “read” and “re-read” during aesthetic experience. Depending on the listener, these meanings are more or less pronounced; some are seen as primary, while others are seen as secondary. Sometimes they are co-dependent and meaningful together, but sometimes they shy each other out. The multilayered quality of the work is acknowledged and seen as important even before individual meanings can be discovered. The author proposes a look at intertextuality in reference to musical works by Steve Reich, (e.g. Different trains, 1988). The author uses Ryszard Nycz’s definition of intertextuality and confronts it with Umberto Eco’s idea of interpretation and the structural openness of art. Putting forward a concept of listening-in as a necessary element of receiving and understanding certain musical works, she suggests accepting an intertextual aesthetic strategy for a satisfactory aesthetic experience. Assuming the presence of multiple texts, which are different in character and meaning, and accepting their interdependence, changes the reception of the work and colors its qualities. The challenge is not only to seek out different texts hidden behind the purely musical face of the work but to find out the way they influence each other, knowing full well that the major or minor role those texts play depend on the listener as much as on the author.
Źródło:
Eidos. A Journal for Philosophy of Culture; 2019, 3, 3(9); 5-13
2544-302X
Pojawia się w:
Eidos. A Journal for Philosophy of Culture
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Recessive Action in Colm Tóibín’s Brooklyn
Autorzy:
Raghinaru, Camelia
Powiązania:
https://bibliotekanauki.pl/articles/641396.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
Colm Tóibín
Brooklyn
immigration
detachment
minimal realization
Opis:
Colm Tóibín’s 2009 novel Brooklyn accompanies Eilis Lacey, a native of Enniscorthy, Ireland of the 1950s on a reluctant voyage across the Atlantic. Her passage reconstructs a common experience of immigration and exile to New York for the Irish working class seeking to escape the lack of prospects in small-town Ireland after the Second World War. Caught as she is between two homes-the traditional Irish culture she emerges from and the new capitalist society of America to which she emigrates-Eilis is placed in a polemical relationship to the public sphere, staked on multiple grounds of in-betweenness: she is a woman, Irish, and an exile. Belonging, for her, is posited on a complex understanding of the tensions between national and transnational identities. Eilis’s parochialism, at first, and cosmopolitanism, later on, are both decisive characteristics that become driving forces behind her social integration and marriage prospects. She is initially barred from promising job and marriage opportunities due to her naivety and lack of sophistication. As an Irish female immigrant, Eilis becomes in the course of the novel a cosmopolitan from the margins, one of the newly uprooted, and ultimately a split self.
Źródło:
Text Matters: A Journal of Literature, Theory and Culture; 2018, 8; 43-54
2083-2931
2084-574X
Pojawia się w:
Text Matters: A Journal of Literature, Theory and Culture
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Uncertainty evaluation of the minimal value measurements
Autorzy:
Dorozhovets, M.
Warsza, Z. L.
Popovych, I.
Powiązania:
https://bibliotekanauki.pl/articles/114616.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
minimal value of observations
uncertainty type A
Opis:
The non-standard statistical method for evaluating uncertainty for a minimal value of observations as the measurement result, is proposed. This method is based on properties of minimal order statistic. As example from the practice this method is used to evaluate the uncertainty of a percent elongation and tensile strength in testing plastic products.
Źródło:
Measurement Automation Monitoring; 2015, 61, 8; 395-398
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The construction and analysis of repeated measurement designs (RMD) using the trial and error method
Autorzy:
Mir, Shakeel A.
Shah, Immad A.
Powiązania:
https://bibliotekanauki.pl/articles/1363623.pdf
Data publikacji:
2021
Wydawca:
Główny Urząd Statystyczny
Tematy:
residual effects
order effects
balanced minimal rmd
Opis:
Repeated measurement designs prove broadly applicable in almost all branches of biosciences, including agriculture, animal husbandry, botany, zoology. Unbiased estimators for elementary contrasts among direct and residual effects are obtainable in this class of designs, which is considered their important property. In this paper, an attempt was made to provide a new method of overcoming a drawback in the construction method developed by Afsarinejad (1983), where one or more treatments may occur more than once in certain sequences causing the constructed designs to no longer remain uniform in the examined periods. Nine designs were constructed and presented jointly with their corresponding mathematical analyses.
Źródło:
Statistics in Transition new series; 2021, 22, 1; 131-144
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A New Characterization of Unichord-Free Graphs
Autorzy:
McKee, Terry A.
Powiązania:
https://bibliotekanauki.pl/articles/31234070.pdf
Data publikacji:
2015-11-01
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
chordal graph
unichord-free graph
minimal separator
Opis:
Unichord-free graphs are defined as having no cycle with a unique chord. They have appeared in several papers recently and are also characterized by minimal separators always inducing edgeless subgraphs (in contrast to characterizing chordal graphs by minimal separators always inducing complete subgraphs). A new characterization of unichord-free graphs corresponds to a suitable reformulation of the standard simplicial vertex characterization of chordal graphs.
Źródło:
Discussiones Mathematicae Graph Theory; 2015, 35, 4; 765-771
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterizing Atoms that Result from Decomposition by Clique Separators
Autorzy:
McKee, Terry A.
Powiązania:
https://bibliotekanauki.pl/articles/31341724.pdf
Data publikacji:
2017-08-01
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
clique separator
minimal separator
unichord-free graph
Opis:
A graph is defined to be an atom if no minimal vertex separator induces a complete subgraph; thus, atoms are the graphs that are immune to clique separator decomposition. Atoms are characterized here in two ways: first using generalized vertex elimination schemes, and then as generalizations of 2-connected unichord-free graphs (the graphs in which every minimal vertex separator induces an edgeless subgraph).
Źródło:
Discussiones Mathematicae Graph Theory; 2017, 37, 3; 587-594
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spreading digital literacy via Minimal English. The concept of ‘class’ in Swift programming language
Autorzy:
Biegajło, Bartłomiej
Powiązania:
https://bibliotekanauki.pl/articles/1945105.pdf
Data publikacji:
2021-12-30
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II
Tematy:
programming
Swift language
Natural Semantic Metalanguage
Minimal English
Opis:
The article aims at providing explications of the concept of a class, as it is implemented in the Swift programming language offered by Apple. The explications are framed in Minimal English, which is based on the theory of Natural Semantic Metalanguage. Detailed analysis of the Swift concept of class leads to four distinct core explications of the programming construct in question and the related feature that Swift classes possess, namely the concept of property. The article’s primary purpose is to offer a more smooth experience with programming, especially with beginners in mind. Their initial exposure to programming might face several challenges due to the complicated digital jargon of the documentation. Minimal English is implemented to ease the learning curve and promote digital literacy as one of the most fundamental skills in today’s world.
Źródło:
Linguistics Beyond and Within; 2021, 7; 5-18
2450-5188
Pojawia się w:
Linguistics Beyond and Within
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Valeurs critiques asymptotiques dune fonction définissable dans une structure o-minimale
Autorzy:
D'Acunto, D.
Powiązania:
https://bibliotekanauki.pl/articles/1207923.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
bifurcation set
asymptotic critical value
o-minimal structure
Opis:
We prove that the set of asymptotic critical values of a $C^1$ function definable in an o-minimal structure is finite, even if the structure is not polynomially bounded. As a consequence, the function is a locally trivial fibration over the complement of this set.
Źródło:
Annales Polonici Mathematici; 2000, 75, 1; 35-45
0066-2216
Pojawia się w:
Annales Polonici Mathematici
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mechanical and thermal null controllability of thermoelastic plates and singularity of the associated mimimal energy function
Autorzy:
Avalos, G.
Lasiecka, I.
Powiązania:
https://bibliotekanauki.pl/articles/970515.pdf
Data publikacji:
2003
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
thermal plates
null controllability
singularity of minimal energy
Opis:
The null controllability problem is considered for 2-D thermoelastic plates under hinged mechanical boundary conditions. The resulting partial differential equation system generates an analytic semigroup on the space of finite energy. Consequently, because the thermoelastic system is associated with an infinite speed of propagation, the null controllability question is a suitable one for contemplation. It is shown that all finite energy states can be driven to zero by means of L^2(Q)-mechanical or thermal controls. In addition, the singularity of the minimal energy function, as T | 0, is also investigated. Ultimately, we establish the optimal blowup rate O(T-5/2) for this function, in the case one control (either mechanical or thermal ) is acting upon the system and O(T-5/2). in the case of two controls (thermal and mechanical). This rate of singularity is optimal and in fact the same as obtained by considering finite dimensional truncations of the thermoelastic PDE.
Źródło:
Control and Cybernetics; 2003, 32, 3; 473-490
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Minimal kinematic boundary conditions for computational homogenization of the permeability coefficient
Autorzy:
Wojciechowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/387344.pdf
Data publikacji:
2017
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
computational homogenization
permeability
RVE
minimal kinematic boundary conditions
Opis:
In the paper, computational homogenization approach is used for recognizing the macroscopic permeability from the microscopic representative volume element (RVE). Flow of water, at both macro and micro level, is assumed to be ruled by Darcy law. A special averaging constraint is used for numerical flow analysis in RVE, which allows to apply macroscopic pressure gradient without the necessity to use directly Dirichlet or Neumann boundary conditions. This approach allows arbitrarily shaped representative volumes and eliminates undesirable boundary effects. Generated effective permeability takes into account the structuring effects, what is an advantage over other homogenization methods, like self-consistent one.
Źródło:
Acta Mechanica et Automatica; 2017, 11, 3; 199-203
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality of Minimal Sets of Prime Implicants of Boolean Functions
Autorzy:
Prasad, V. C.
Powiązania:
https://bibliotekanauki.pl/articles/227310.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
logic circuits
digital circuits
Boolean functions
minimal sets
Opis:
Two new problems are posed and solved concerning minimal sets of prime implicants of Boolean functions. It is well known that the prime implicant set of a Boolean function should be minimal and have as few literals as possible. But it is not well known that min term repetitions should also be as few as possible to reduce power consumption. Determination of minimal sets of prime implicants is a well known problem. But nothing is known on the least number of (i) prime implicants (ii) literals and (iii) min term repetitions , any minimal set of prime implicants will have. These measures are useful to assess the quality of a minimal set. They are then extended to determine least number of prime implicants / implicates required to design a static hazard free circuit. The new technique tends to give smallest set of prime implicants for various objectives.
Źródło:
International Journal of Electronics and Telecommunications; 2017, 63, 2; 165-169
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Minimal Geodetic Domination in Graphs
Autorzy:
Nuenay, Hearty M.
Jamil, Ferdinand P.
Powiązania:
https://bibliotekanauki.pl/articles/31339437.pdf
Data publikacji:
2015-08-01
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
minimal geodetic dominating set
upper geodetic domination number
Opis:
Let $G$ be a connected graph. For two vertices $u$ and $v$ in $G$, a $u$-$v$ geodesic is any shortest path joining $u$ and $v$. The closed geodetic interval $ I_G[u, v] $ consists of all vertices of $G$ lying on any $u$-$v$ geodesic. For $ S \subseteq V (G) $, $S$ is a geodetic set in $G$ if \( \bigcup_{u,v \in S} I_G [u, v] = V (G) \). Vertices $u$ and $v$ of $G$ are neighbors if $u$ and $v$ are adjacent. The closed neighborhood $ N_G[v]$ of vertex $v$ consists of $v$ and all neighbors of $v$. For $S \subseteq V (G)$, $S$ is a dominating set in $G$ if \( \bigcup_{u \in S} N_G[u] = V (G) \). A geodetic dominating set in $G$ is any geodetic set in $G$ which is at the same time a dominating set in $G$. A geodetic dominating set in $G$ is a minimal geodetic dominating set if it does not have a proper subset which is itself a geodetic dominating set in $G$. The maximum cardinality of a minimal geodetic dominating set in $G$ is the upper geodetic domination number of $G$. This paper initiates the study of minimal geodetic dominating sets and upper geodetic domination numbers of connected graphs.
Źródło:
Discussiones Mathematicae Graph Theory; 2015, 35, 3; 403-418
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An effective procedure for minimal bases of ideals in Z[x]
Autorzy:
Cáceres-Duque, Luis
Powiązania:
https://bibliotekanauki.pl/articles/728989.pdf
Data publikacji:
2003
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
ideals
minimal bases for ideals
polynomials over integers
Opis:
We give an effective procedure to find minimal bases for ideals of the ring of polynomials over the integers.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2003, 23, 1; 5-11
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Proof Compression and NP Versus PSPACE II
Autorzy:
Gordeev, Lew
Haeusler, Edward Hermann
Powiązania:
https://bibliotekanauki.pl/articles/1023196.pdf
Data publikacji:
2020-11-04
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
natural deduction
sequent calculus
minimal logic
computational complexity
Opis:
We upgrade [3] to a complete proof of the conjecture NP = PSPACE that is known as one of the fundamental open problems in the mathematical theory of computational complexity; this proof is based on [2]. Since minimal propositional logic is known to be PSPACE complete, while PSPACE to include NP, it suffices to show that every valid purely implicational formula ρ has a proof whose weight (= total number of symbols) and time complexity of the provability involved are both polynomial in the weight of ρ. As is [3], we use proof theoretic approach. Recall that in [3] we considered any valid ρ in question that had (by the definition of validity) a “short” tree-like proof π in the Hudelmaier-style cutfree sequent calculus for minimal logic. The “shortness” means that the height of π and the total weight of different formulas occurring in it are both polynomial in the weight of ρ. However, the size (= total number of nodes), and hence also the weight, of π could be exponential in that of ρ. To overcome this trouble we embedded π into Prawitz’s proof system of natural deductions containing single formulas, instead of sequents. As in π, the height and the total weight of different formulas of the resulting tree-like natural deduction ∂1 were polynomial, although the size of ∂1 still could be exponential, in the weight of ρ. In our next, crucial move, ∂1 was deterministically compressed into a “small”, although multipremise, dag-like deduction ∂ whose horizontal levels contained only mutually different formulas, which made the whole weight polynomial in that of ρ. However, ∂ required a more complicated verification of the underlying provability of ρ. In this paper we present a nondeterministic compression of ∂ into a desired standard dag-like deduction ∂0 that deterministically proves ρ in time and space polynomial in the weight of ρ.2 Together with [3] this completes the proof of NP = PSPACE.Natural deductions are essential for our proof. Tree-to-dag horizontal compression of π merging equal sequents, instead of formulas, is (possible but) not sufficient, since the total number of different sequents in π might be exponential in the weight of ρ – even assuming that all formulas occurring in sequents are subformulas of ρ. On the other hand, we need Hudelmaier’s cutfree sequent calculus in order to control both the height and total weight of different formulas of the initial tree-like proof π, since standard Prawitz’s normalization although providing natural deductions with the subformula property does not preserve polynomial heights. It is not clear yet if we can omit references to π even in the proof of the weaker result NP = coNP.
Źródło:
Bulletin of the Section of Logic; 2020, 49, 3; 213-230
0138-0680
2449-836X
Pojawia się w:
Bulletin of the Section of Logic
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficient algorithms for minimal disjoint path problems on chordal graphs
Autorzy:
Gopalakrishnan, C.
Satyan, C.
Pandu Rangan, C.
Powiązania:
https://bibliotekanauki.pl/articles/972049.pdf
Data publikacji:
1995
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
chordal graph
minimal paths
disjoint paths
clique
bfs
Opis:
Disjoint paths have applications in establishing bottleneck-free communication between processors in a network. The problem of finding minimum delay disjoint paths in a network directly reduces to the problem of finding the minimal disjoint paths in the graph which models the network. Previous results for this problem on chordal graphs were an O(|V| |E|²) algorithm for 2 edge disjoint paths and an O(|V| |E|) algorithm for 2 vertex disjoint paths. In this paper, we give an O(|V| |E|) algorithm for 2 vertex disjoint paths and an O(|V|+|E|) algorithm for 2 edge disjoint paths, which is a significant improvement over the previous result.
Źródło:
Discussiones Mathematicae Graph Theory; 1995, 15, 2; 119-145
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exact Expectation and Variance of Minimal Basis of Random Matroids
Autorzy:
Kordecki, Wojciech
Łyczkowska-Hanćkowiak, Anna
Powiązania:
https://bibliotekanauki.pl/articles/30146643.pdf
Data publikacji:
2013-05-01
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
minimal basis
q-analog
finite projective geometry
Tutte polynomial
Opis:
We formulate and prove a formula to compute the expected value of the minimal random basis of an arbitrary finite matroid whose elements are assigned weights which are independent and uniformly distributed on the interval [0, 1]. This method yields an exact formula in terms of the Tutte polynomial. We give a simple formula to find the minimal random basis of the projective geometry PG(r − 1, q).
Źródło:
Discussiones Mathematicae Graph Theory; 2013, 33, 2; 277-288
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Robin Heart Surgery Robotic System. Challenges in Mechanical Construction, Control System and Stuff Training Before First Clinical Application
Telemanipulator chirurgiczny Robin Heart. Opis konstrukcji mechanicznej, systemu sterowania i programu szkoleń dla personelu przed pierwszą aplikacją kliniczną
Autorzy:
Nawrat, Z.
Kostka, P.
Powiązania:
https://bibliotekanauki.pl/articles/140087.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
surgery robot
minimal invasive surgery
chirurgia robotyczna
chirurgia małoinwazyjna
Opis:
The last decades, when robots have appeared in the operating room, showed the possibility of surgery enhancement by improving precision, repeatability, stability and dexterity. However, taking into consideration still existing limitations of robotics in surgery, and treating the robots as medical devices with the highest degree of safety level requirements, one must take a number of complex actions when preparing the experimental clinical application of a new modern robot Robin Heart. Presented paper describes the current state of procedures carried out in the Robin Heart project of surgery robots prepared for clinical application. Based on experiences with the devices existing on the market and, first of all, thanks to knowledge and expertise gained by our team during last 12 years, intensive work are currently done in order to introduce both mechanical and electronic modifications as well as to improve the safety system. As far as human resources are concerned, a professional team able to carry out the robot-supported surgery is prepared based on the created system of technical and functional trainings on simulation stands, which also includes the developed operation planning procedures. The first telemanipulator designed for clinical practice is the Robin Heart Vision - endoscopic system manipulator.
Pojawienie sie w ostatnich dekadach na salach operacyjnych klinik zautomatyzowanych telemanipulatorów wprowadziło nowy standard w chirurgii małoinwazyjnej dzięki poprawie precyzji działania, powtarzalnosci ruchów i procedur, zwiększenia komfortu pracy chirurga-zdalnego operatora - bardzo istotnego przy czesto długotrwałych zabiegach. Aby osiągnac ten etap wdrożenia klinicznego, biorac pod uwage z jednej strony wciaż istniejące ograniczenia tego typu zabiegów oraz konieczność spełnienia bardzo rygorystycznych wymagan certyfikacji samego produktu medycznego o najwyzszym w tym przypadku stopniu inwazyjności konieczne jest nie tylko opracowanie samego produktu finalnego spełniajacego wymagania norm lecz równiez certyfikacja całego procesu technologicznego jego wytwarzania. Celem pracy jest przedstawienie przygotowan do badan klinicznych, po fazie testów laboratoryjnych i na zwierzetach samego systemu robota, stanowisk testowych oraz przygotowania kadry dla jego obsługi dla projektu polskiego telemanipulatora chirurgicznego RobinHeart. Przedstawiony został projekt mechaniczny, systemu sterowania oraz stanowisk trenazerów-symulatorów i wybrane elementy modyfikacji podsystemów, powstałe na bazie 12 letnich doswiadczen zespołu i analizy rozwiazań swiatowych, dla najblizszego wdrozeniu robota RobinHeart Vision, przeznaczonego do zdalnej manipulacji torem wizyjnym podczas operacji małoinwazyjnych.
Źródło:
Archive of Mechanical Engineering; 2014, LXI, 1; 163-178
0004-0738
Pojawia się w:
Archive of Mechanical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The graph theory approach to analyze critical infrastructures of transportation systems
Autorzy:
Guze, S.
Powiązania:
https://bibliotekanauki.pl/articles/2069516.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
critical infrastructures
domination set
domination number
minimal spanning tree
Opis:
The main aim of the paper is to use algorithms and parameters of graph theory as tool to analyze the transpiration systems. To realize this goal the well-known information about graph theory algorithms and parameters will be introduced and described. The possible application of graph theory algorithms and parameters to analyze the critical infrastructures of exemplary transportation system will be shown.
Źródło:
Journal of Polish Safety and Reliability Association; 2014, 5, 2; 57--62
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Minimal realizations of generalized Nevanlinna functions
Autorzy:
Hassi, S.
Wietsma, H. L.
Powiązania:
https://bibliotekanauki.pl/articles/254719.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
generalized Nevanlinna functions
selfadjoint (multi-valued) operators
minimal realizations
Opis:
Minimal realizations of generalized Nevanlinna functions that carry the information on their generalized poles of nonpositive type in an explicit form are established. These realizations are based on a modification of the basic canonical factorization of generalized Nevanlinna functions whereby the non-minimality problems in realizations that are based directly on the canonical factorization are circumvented.
Źródło:
Opuscula Mathematica; 2016, 36, 6; 749-768
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Ramsey $(K_{1,2},C₄)$-minimal graphs
Autorzy:
Vetrík, Tomás
Yulianti, Lyra
Baskoro, Edy
Powiązania:
https://bibliotekanauki.pl/articles/744084.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
Ramsey-minimal graph
edge coloring
diameter of a graph
Opis:
For graphs F, G and H, we write F → (G,H) to mean that any red-blue coloring of the edges of F contains a red copy of G or a blue copy of H. The graph F is Ramsey (G,H)-minimal if F → (G,H) but F* ↛ (G,H) for any proper subgraph F* ⊂ F. We present an infinite family of Ramsey $(K_{1,2},C₄)$-minimal graphs of any diameter ≥ 4.
Źródło:
Discussiones Mathematicae Graph Theory; 2010, 30, 4; 637-649
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Minimal reducible bounds for hom-properties of graphs
Autorzy:
Berger, Amelie
Broere, Izak
Powiązania:
https://bibliotekanauki.pl/articles/744144.pdf
Data publikacji:
1999
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
graph homomorphisms
minimal reducible bounds
additive hereditary graph property
Opis:
Let H be a fixed finite graph and let → H be a hom-property, i.e. the set of all graphs admitting a homomorphism into H. We extend the definition of → H to include certain infinite graphs H and then describe the minimal reducible bounds for → H in the lattice of additive hereditary properties and in the lattice of hereditary properties.
Źródło:
Discussiones Mathematicae Graph Theory; 1999, 19, 2; 143-158
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Shaping of a middle surface of a dished head of a circular cylindrical pressure vessel
Kształtowanie środkowej powierzchni wypukłego dna walcowego zbiornika ciśnieniowego
Autorzy:
Lewiński, J.
Magnucki, K.
Powiązania:
https://bibliotekanauki.pl/articles/280094.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
thin-walled pressure vessel
dished head
minimal stress concentration
Opis:
The paper is devoted to a dished head of a pressure vessel subject to internal uniform pressure. A short survey of optimal design of the pressure vessel and its head is presented. The problem of shaping of the middle surface of the dished head with the use of trigonometric series is depicted. As a criterion of the shaping process, the continuity of curvatures of the surfaces in the joint of the circular cylindrical shell and the dished head is assumed. Results of the numerical calculation for optimal shapes of the head are presented in figures.
Praca dotyczy dna wypukłego walcowego zbiornika ciśnieniowego obciążonego równomiernym ciśnieniem wewnętrznym. Zamieszczono krótki przegląd problemu optymalnego projektowania zbiornika i jego dna. Przedstawiono problem kształtowania środkowej powierzchni wypukłego dna z zastosowaniem szeregu trygonometrycznego. Warunek ograniczający kształt południka dna dotyczy ciągłości krzywizn w miejscu połączenia z powłoką walcową. Poszukiwano rozwiązania optymalnego, w którym głębokość dna jest minimalna przy ograniczeniu warunkiem wytrzymałości. Wyniki numerycznych obliczeń optymalnych kształtów dna przedstawiono na rysunkach.
Źródło:
Journal of Theoretical and Applied Mechanics; 2010, 48, 2; 297-307
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On vertex stability of complete k-partite graphs
Autorzy:
Nikodem, M.
Powiązania:
https://bibliotekanauki.pl/articles/256005.pdf
Data publikacji:
2015
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
vertex stability
minimal stable graphs
complete k-partite graphs
Opis:
Let H be any graph. We say that graph G is H-stable if G — u contains a subgraph isomorphic to H for an arbitrary chosen u ∈ V(G). We characterize all H-stable graphs of minimal size where H is any complete k-partite graph. Thus, we generalize the results of Dudek and Żak regarding complete bipartite graphs.
Źródło:
Opuscula Mathematica; 2015, 35, 6; 907-914
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Legal regulation of minimal wage on international level and the economic perspective. Selected issues in the context of current discussions
Prawna regulacja płacy minimalnej na poziomie międzynarodowym a perspektywa ekonomiczna. Wybrane zagadnienia w świetle aktualnych dyskusji
Autorzy:
Jakubiec, M.
Powiązania:
https://bibliotekanauki.pl/articles/2053079.pdf
Data publikacji:
2015
Wydawca:
Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
Tematy:
Minimal wage
International Labor Organization
economic policy
employment policy
Opis:
The purpose of this article is to present the most essential aspects of minimal wage institution functioning in the current international law, as well as to conduct an analysis of several selected legal end economic issues connected with the amount of remuneration payed to employees and its minimum rate. They seem significant in connection to political events that are nowadays taking place in some European countries. The key legal acts issued by s ubmitted by ILO will be analyzed, while special attention will be placed on the provisions of the Convention because of their particular status in the International Labor Organization’s legal acts’ system. What is more, the conclusions regarding this issue in the economic context will be drawn. It will allow for the explanation of this issue based not only on economic policy considerations, but also one which is closely connected with current state of international law.
Celem artykułu jest zaprezentowanie najistotniejszych aspektów funkcjonowania instytucji płacy minimalnej w dobie obecnego kształtu prawa międzynarodowego i dokonanie analizy kilku wybranych prawnych i ekonomicznych zagadnień związanych z wysokością wypłacanego pracownikom wynagrodzenia oraz jego minimalnych stawek. Wydają się one istotne w związku z wydarzeniami politycznymi, jakie mają miejsce w przypadku niektórych państw europejskich. Sformułowane ponadto będą wnioski związane z tą problematyką z perspektywy ekonomicznej. Pozwoli to na eksplikację tego zagadnienia opartą nie tylko na rozważaniach z zakresu polityki gospodarczej, lecz ściśle powiązaną z aktualnym stanem prawa międzynarodowego.
Źródło:
Economic and Regional Studies; 2015, 08, 3; 67-79
2083-3725
2451-182X
Pojawia się w:
Economic and Regional Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Subchondral bone cyst surgical treatment using the application of stem progenitor cells combined with alginate hydrogel in small joints in horses
Autorzy:
Golonka, P.
Szklarz, M.
Kusz, M.
Marędziak, M.
Irwin Houston, J.M.
Marycz, K.
Powiązania:
https://bibliotekanauki.pl/articles/2087748.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
subchondral bone cyst
autologous stem cells
minimal invasive surgery
Źródło:
Polish Journal of Veterinary Sciences; 2018, 21, 2; 307-316
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Ramsey $(K_{1,2}, Kₙ)$-minimal graphs
Autorzy:
Hałuszczak, Mariusz
Powiązania:
https://bibliotekanauki.pl/articles/743336.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
Ramsey minimal graph
edge coloring
1-factor
complete graph
Opis:
Let F be a graph and let , denote nonempty families of graphs. We write F → (,) if in any 2-coloring of edges of F with red and blue, there is a red subgraph isomorphic to some graph from G or a blue subgraph isomorphic to some graph from H. The graph F without isolated vertices is said to be a (,)-minimal graph if F → (,) and F - e not → (,) for every e ∈ E(F).
We present a technique which allows to generate infinite family of (,)-minimal graphs if we know some special graphs. In particular, we show how to receive infinite family of $(K_{1,2}, Kₙ)$-minimal graphs, for every n ≥ 3.
Źródło:
Discussiones Mathematicae Graph Theory; 2012, 32, 2; 331-339
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Oko, ciało i słowo. Rosalind Krauss o rzeźbie Richarda Serry. „Uważna lektura” tekstu
The Eye, the Body and the Word. Rosalind Krauss on the Sculpture of Richard Serra. A “Close Reading” of the Text
Autorzy:
Juszkiewicz, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/23339208.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Instytut Sztuki PAN
Tematy:
art criticism
minimal art
Richard Serra
Rosalind Krauss
krytyka artystyczna
Opis:
Niniejszy tekst jest przykładem „uważnego czytania” tekstu z zakresu krytyki artystycznej. Postulat „close reading” został tu podjęty poprzez zwrócenie analitycznej uwagi na cztery bazowe elementy tekstu: konstrukcję mówiącego podmiotu, wpisaną w tekst koncepcję dzieła sztuki, przyjęte sposoby opisu i zasadę porządkowania obszaru artystycznej tradycji. Przedmiotem analizy jest tekst Rosalind Krauss na temat twórczości Richarda Serry, który, zdaniem autorki, miał swój udział w kluczowej przemianie sztuki amerykańskiej, związanej z porzuceniem filozoficznych założeń i artystycznej praktyki abstrakcyjnego ekspresjonizmu. Analiza wykazuje zbieżność pomiędzy ukształtowaniem zasadniczych aspektów tekstu, a jego krytyczną wobec efektów działalności przedstawicieli i zwolenników tej artystycznej formacji wymową. 
This essay is an example of a “close reading” of a text in the field of art criticism. The postulate of “reading closely” is effectuated by paying analytical attention to four fundamental elements of a text: the construction of the narrating subject; the conception of an artwork embedded in the text; the modes of description adopted therein; the principle of ordering the field of artistic tradition. The subject of the analysis is Rosalind Krauss’s text on the output of Richard Serra, who, according to the author, played a part in the crucial transformation of American art associated with abandoning the philosophical assumptions and artistic practice of abstract expressionism. The analysis reveals a convergence between the formation of the essential aspects of the text and its implication, which is critical towards the effects of the endeavours undertaken by the members and supporters of this artistic formation.
Źródło:
Biuletyn Historii Sztuki; 2023, 85, 4; 117-134
0006-3967
2719-4612
Pojawia się w:
Biuletyn Historii Sztuki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Minimal periods of maps of rational exterior spaces
Autorzy:
Graff, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/1205116.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
periodic points
minimal period
cohomology algebra
Lefschetz number
transversal map
Opis:
The problem of description of the set Per(f) of all minimal periods of a self-map f:X → X is studied. If X is a rational exterior space (e.g. a compact Lie group) then there exists a description of the set of minimal periods analogous to that for a torus map given by Jiang and Llibre. Our approach is based on the Haibao formula for the Lefschetz number of a self-map of a rational exterior space.
Źródło:
Fundamenta Mathematicae; 2000, 163, 2; 99-115
0016-2736
Pojawia się w:
Fundamenta Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Minimal–phase realizations for positive linear systems
Minimalno-fazowe realizacje dla dodatnich układów liniowych
Autorzy:
Kaczorek, T.
Powiązania:
https://bibliotekanauki.pl/articles/249656.pdf
Data publikacji:
2015
Wydawca:
Instytut Naukowo-Wydawniczy TTS
Tematy:
minimal-phase realization
linear system
układ liniowy
minimalno-fazowa realizacja
Opis:
The problem of minimal-phase realization for continuous-time and discrete-time linear systems is addressed. Necessary and sufficient conditions for the existence of minimal-phase realizations for the linear systems are established. A procedure for computation of the realizations is proposed and illustrated by numerical examples.
Pracy zaproponowano nową metodę wyznaczanie minimalno-fazowych realizacji dla dodatnich ciągłych i dyskretnych układów liniowych. Podano warunki konieczne i wystarczające na istnienie minimalno-fazowych realizacji dla tych klas układów liniowych. Podano procedurę wyznaczania tych realizacji minimalno-fazowych oraz zlustrowano efektywność tej procedury na przykładach liczbowych.
Źródło:
TTS Technika Transportu Szynowego; 2015, 12; 750-755, CD
1232-3829
2543-5728
Pojawia się w:
TTS Technika Transportu Szynowego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the second spectrum of lattice modules
Autorzy:
Phadatare, Narayan
Ballal, Sachin
Kharat, Vilas
Powiązania:
https://bibliotekanauki.pl/articles/38117900.pdf
Data publikacji:
2017-06-01
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
second element
prime element
maximal element
minimal element
spectral space
Opis:
The second spectrum Specs(M) is the collection of all second elements of M. In this paper, we study the topology on Specs(M), which is a generalization of the Zariski topology on the prime spectrum of lattice modules. Besides some properties, Specs(M) is characterized and the interrelations between the topological properties of Specs(M) and the algebraic properties of M, are studied.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2017, 37, 1; 59-74
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wprowadzenie w problematykę techniki gry i środków techniki kompozytorskiej w etiudach fortepianowych kompozytorów polskich w latach 1916-2006
An introduction to the problems of performance technique and compositional devices in piano etudes by polish composers (1916-2006)
Autorzy:
Łukaszewski, Marcin Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/495574.pdf
Data publikacji:
2010
Wydawca:
Towarzystwo Naukowe Franciszka Salezego
Tematy:
Diadochokinesis
Etude
Figuration
Piano
minimal music
neo-classicism
composing technique
Opis:
The article covers the years 1916 to 2006, i.e. from Karol Szymanowski’s Twelve Etudes Op. 33 (1916) to Krzysztof Baculewski’s Twelve Etudes (2006). During the period under examination piano etudes were written by many Polish composers. Those by Szymanowski, Witold Lutosławski, Andrzej Panufnik, Grażyna Bacewicz and Bolesław Woytowicz are considered to be most representative. In the twentieth century and at the beginning of the twenty first century, the etude has not been an anachronic genre, as evidenced by the constant flow of new works penned by composers. These include both works in which the organization of the musical material draws on tradition and those which explore the techniques of twentieth century-music. The neo-classical trend exerted a far-reaching influence on the character and stylistic features of Polish piano etudes of the first half of the twentieth century. Works by Lutosławski, Bacewicz, Woytowicz, Szeligowski, and to some extent by Panufnik can serve as examples. The etudes by Lutosławski and Bacewicz are beyond doubt of the most outstanding artistic merit. They are part of the concert repertoire and are among the most frequently performed Polish 20th-century etudes. The etudes of Norbert Mateusz Kuźnik, Andrzej Hundziak and Franciszek Woźniak employ the techniques typical of new music, such as a new type of notation, and therefore belong to the avantgarde and post-avantgarde group. Post-modernist Two Etudes by Paweł Szymański also belongs to this group. The work is a good example of ‘sur-conventionality’, a style that is characteristic of Szymański’s music. The etudes by Polish composers, particularly contemporary ones, are used all too rarely as instruction pieces in Polish music schools. They are also rarely included in recital programmes. The reasons should be looked for in the lack of adequate preparation of both the students and teachers, as well as in an insufficient knowledge and understanding of 20th-century music. All this results in a reluctance to explore this part of the Polish musical heritage.
Źródło:
Seminare. Poszukiwania naukowe; 2010, 27; 233-247
1232-8766
Pojawia się w:
Seminare. Poszukiwania naukowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pseudo-BCH-algebras
Autorzy:
Walendziak, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/729167.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
(pseudo-)BCK/BCI/BCH-algebra
minimal element
(closed) ideal
centre
Opis:
The notion of pseudo-BCH-algebras is introduced, and some of their properties are investigated. Conditions for a pseudo-BCH-algebra to be a pseudo-BCI-algebra are given. Ideals and minimal elements in pseudo-BCH-algebras are considered.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2015, 35, 1; 5-19
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Usefulness of real-time PCR in long-term follow-up of follicular lymphoma patients
Autorzy:
Tysarowski, Andrzej
Fabisiewicz, Anna
Paszkiewicz-Kozik, Ewa
Kulik, Jadwiga
Walewski, Jan
Siedlecki, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/1041125.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
real-time PCR
follicular lymphoma
minimal residual disease
molecular remission
Opis:
The aim of this study was to evaluate the usefulness of quantitative real-time PCR (RQ-PCR) for the monitoring of molecular remission in follicular lymphoma (FL) patients during long-term follow-up. RQ-PCR by the use of TaqMan® detection system is a sensitive tool to monitor minimal residual disease (MRD) in FL through amplification of the t(14;18) fusion gene during and post-therapy. In most cases the breakpoint region occurs within the major breakpoint region (MBR). Among 75 patients diagnosed with FL, cells harboring the fusion gene BCL2/JH were found in peripheral blood of 31 patients (41%). We further monitored 30 of these patients in a period varying from 6 months to 5 years by RQ-PCR. In our study the level indicating the possibility of the presence of MRD was established at more than five t(14;18)-positive cells in the background of 83000 normal cells. The results of this work also confirmed that the presence of MRD detected by RQ-PCR is an indication for careful observation of patients because of a higher risk of disease recurrence.
Źródło:
Acta Biochimica Polonica; 2007, 54, 1; 135-142
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The one-sided minimal operator and the one-sided reverse Holder inequality
Autorzy:
Cruz-Uribe, David
Neugebauer, C.
Olesen, V.
Powiązania:
https://bibliotekanauki.pl/articles/1288722.pdf
Data publikacji:
1995
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
one-sided (A_p) weights
reverse Hölder inequality
minimal function
Opis:
We introduce the one-sided minimal operator, $m^+f$, which is analogous to the one-sided maximal operator. We determine the weight classes which govern its two-weight, strong and weak-type norm inequalities, and show that these two classes are the same. Then in the one-weight case we use this class to introduce a new one-sided reverse Hölder inequality which has several applications to one-sided $(A^+_p)$ weights.
Źródło:
Studia Mathematica; 1995, 116, 3; 255-270
0039-3223
Pojawia się w:
Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-50 z 177

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