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Wyświetlanie 1-25 z 333
Tytuł:
A univalence criterion for meromorphic functions
Autorzy:
Miazga, J.
Wesołowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1312357.pdf
Data publikacji:
1991
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
Löwner chain
Schwarz derivative
Opis:
A sufficient univalence condition for meromorphic functions is given
Źródło:
Annales Polonici Mathematici; 1991-1992, 56, 1; 63-66
0066-2216
Pojawia się w:
Annales Polonici Mathematici
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electrical impedance tomography: from topology to shape
Autorzy:
Hintermuller, M.
Laurain, A.
Powiązania:
https://bibliotekanauki.pl/articles/970303.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
electrical impedance tomography
inverse problem
shape derivative
topological derivative
level set method
Opis:
A level set based shape and topology optimization approach to electrical impedance tomography (EIT) problems with piecewise constant conductivities is introduced. The proposed solution algorithm is initialized by using topological sensitivity analysis. Then it relies on the notion of shape derivatives to update the shape of the domains where conductivity takes different values.
Źródło:
Control and Cybernetics; 2008, 37, 4; 913-933
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Topological derivative for optimal control problems
Autorzy:
Sokołowski, J.
Żochowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/206790.pdf
Data publikacji:
1999
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
sterowanie optymalne
asymptotic expansion
control problems
shape derivative
shape optimization
topological derivative
Opis:
The topological derivative is introduced for the extremal values of cost functionals for control problems. The optimal control problem considered in the paper is defined for the elliptic equation which models the deflection of an elastic membrane. The derivative measures the sensitivity of the optimal value of the cost with respect to changes in topology. A change in topology means removing a small ball from the interior of the domain of integration. The topological derivative can be used for obtaining the numerical solutions of the shape optimization problems.
Źródło:
Control and Cybernetics; 1999, 28, 3; 611-625
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysing experimental research data with the help of numerical derivative
Autorzy:
Książkiewicz, A.
Powiązania:
https://bibliotekanauki.pl/articles/97475.pdf
Data publikacji:
2013
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
numerical methods
derivative
electrical contacts
Opis:
A lot of research data is generated during carrying out experiments like for example in case of oscilloscope records. In this huge amount of information a lot of it is irrelevant. Therefore finding the useful information can be difficult. The influence of closing a short- circuit current with an electromagnetic relay on its contacts was tested. During those tests a large amount of data, recorded by oscilloscope, was created. Only a small portion of this information was useful. The problem was to find specific information in all of the gathered data. This article presents the usage of scientific software designed to solve this issue. It also describes the usage of numerical derivate for finding a specific time range of collected waveforms.
Źródło:
Computer Applications in Electrical Engineering; 2013, 11; 304-309
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analytical Solution to Linear Conformable Fractional Partial Differential Equations
Autorzy:
Dixit, Ajay
Ujlayan, Amit
Powiązania:
https://bibliotekanauki.pl/articles/1159232.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Conformable fractional derivative
Fractional partial differential equation
Katugampola’s derivative
Method of separation of variables
Opis:
An analytical solution is better than an approximate or series solution of a problem. Here we develop an analytical formulation to solve linear fractional order partial differential equations with given boundary conditions. We discuss the method for the simultaneous fractional derivative, in space as well as time and up to order two. Examples reflect the effectiveness and simplicity of the method. First we convert the fractional derivative into integer order derivative and then use method of separation of variables in usual sense to get the complete solution. The fractional derivative has been taken in the sense of Katugampola’s derivative.
Źródło:
World Scientific News; 2018, 113; 49-56
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of kinetic parameters of decomposition of tetrahydropyrimidine derivatives
Autorzy:
Bhesaniya, K.
Patel, A.
Baluja, S.
Powiązania:
https://bibliotekanauki.pl/articles/411745.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
tetrahydropyrimidine derivative
TGA
DSC
kinetic parameter
Opis:
Some new tetrahydropyrimidine derivatives have been synthesized and their structural determination was done by IR, NMR and mass spectral data. Thermal analysis of these synthesized dihydropyrimidinthiones has been carried out by TGA and DSC techniques. From the thermograms, various kinetic parameters such as order of degradation (n), energy of activation (E), frequency factor (A) and entropy change (ΔS) have been evaluated. Further, thermal stability of tetrahydropyrimidine have been determined which is found to depend on the type of substituent present in the compounds.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 13; 23-32
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On shape sensitivity analysis of the cost functional without shape sensitivity of the state variable
Autorzy:
Kasumba, H.
Kunisch, K.
Powiązania:
https://bibliotekanauki.pl/articles/206115.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
shape derivative
Navier-Stokes equations
cost functional
Opis:
A general framework for calculating shape derivatives for domain optimization problems with partial differential equations as constraints is presented. The first order approximation of the cost with respect to the geometry perturbation is arranged in an efficient manner that allows the computation of the shape derivative of the cost without the necessity to involve the shape derivative of the state variable. In doing so, the state variable is only required to be Lipschitz continuous with respect to geometry perturbations. Application to shape optimization with the Navier-Stokes equations as PDE constraint is given.
Źródło:
Control and Cybernetics; 2011, 40, 4; 989-1017
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
МОРФОНОЛОГИЧЕСКИЕ МОДЕЛИ НОМИНАТИВНОЙ ДЕРИВАЦИИ (К ПРОБЛЕМЕ ФУНКЦИЙ ДЕРИВАЦИОННОЙ МОРФОНОЛОГИИ РУССКОГО ЯЗЫКА)
Morphonological Models of the Nominative Derivation (the Functional Aspect of Derivative Morphonology of the Russian Language)
Autorzy:
Antipov, Aleksandr
Powiązania:
https://bibliotekanauki.pl/articles/444736.pdf
Data publikacji:
2008-12-01
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
derivative morphonology
semiotic functions
categorization
Russian dialects
Opis:
The article is devoted to study the semiotic aspect of the Russian derivative morphonology. The dynamics and perspectives of this functional aspect are shown in connection with the nomina- tive categorization on the example of the Russian dialectal morphonology.
Źródło:
Acta Neophilologica; 2008, X; 21-30
1509-1619
Pojawia się w:
Acta Neophilologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Classical solutions of hyperbolic partial differential equations with implicit mixed derivative
Autorzy:
Marano, Salvatore
Powiązania:
https://bibliotekanauki.pl/articles/1312194.pdf
Data publikacji:
1992
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
hyperbolic equation
implicit mixed derivative
classical solution
Opis:
Let f be a continuous function from $[0,a] × [0,β] × (ℝ^n)⁴$ into $ℝ^n$. Given $u₀,v₀ ∈ C⁰([0,β],ℝ^n)$, with f(0, x, ∫_0^x u₀(s)ds, ∫_0^x v₀(s)ds, u₀(x), v₀(x)) = v₀(x) for every x ∈ [0,β], consider the problem (P) { ∂²z/(∂t∂x) = f(t, x, z, ∂z/∂t, ∂z/∂x, ∂²z/(∂t∂x)),
$z(t,0) = ϑ_{ℝ^n}$, $z(0,x)=∫_0^x u₀(s)ds$, ∂²z(0,x)/(∂t∂x) = v₀(x). In this paper we prove that, under suitable assumptions, problem (P) has at least one classical solution that is local in the first variable and global in the other. As a consequence, we obtain a generalization of a result by P. Hartman and A. Wintner ([4], Theorem 1).
Źródło:
Annales Polonici Mathematici; 1991-1992, 56, 2; 163-178
0066-2216
Pojawia się w:
Annales Polonici Mathematici
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On \(\mathbb{I}\)-approximate limits and \(\mathbb{I}\)-approximate smoothness
Autorzy:
Zduńczyk, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/746328.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
Density point
algebra of sets
generalized derivative
Opis:
In this paper we present some results based on slightly modified idea of the \(\mathbb{I}\)-density introduced by Władysław Wilczyński. Some theorems are generalized versions of results from [2] and [3]. We investigate properties of functions from \(\mathbb{R}^X\), where \(X\) is supplied with the \(\mathbb{I}\)-density. We try to free our considerations from the assumption of Baire property, or measurability. In some cases this is not done yet. Star-marked statements still need that assumption, proofs presented here are done for Baire property, but it is possible to adapt them to measure. \(\mathbb{I}\)-density itself does not require any structure of considered space but a metric vector space over \(\mathbb{R}\). However, in last section we confine ourselves to \(\mathbb{R}\), for we make use of \(\mathbb{R}\)’s structure for simplicity. To find more about related topics see [4], [5], more bibliography one can find in [1] and [5].
Źródło:
Commentationes Mathematicae; 2006, 46, 1
0373-8299
Pojawia się w:
Commentationes Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Point derivations for Lipschitz functions andClarkes generalized derivative
Autorzy:
Demyanov, Vladimir
Pallaschke, Diethard
Powiązania:
https://bibliotekanauki.pl/articles/1339173.pdf
Data publikacji:
1997
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
point derivations
generalized directional derivative
Lipschitz functions
Opis:
Clarke's generalized derivative $f^0(x,v)$ is studied as a function on the Banach algebra Lip(X,d) of bounded Lipschitz functions f defined on an open subset X of a normed vector space E. For fixed $x\in X$ and fixed $v\in E$ the function $f^0(x,v)$ is continuous and sublinear in $f\in Lip(X,d)$. It is shown that all linear functionals in the support set of this continuous sublinear function satisfy Leibniz's product rule and are thus point derivations. A characterization of the support set in terms of point derivations is given.
Źródło:
Applicationes Mathematicae; 1996-1997, 24, 4; 465-474
1233-7234
Pojawia się w:
Applicationes Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Лексика песенных зачинов в белорусской свадьбе: семантика, структурные трансформации (на примере одной группы текстов)
Autorzy:
Кутырёва-Чубаля [Kutyriowa-Czubala], Галина [Galina]
Powiązania:
https://bibliotekanauki.pl/articles/676529.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Slawistyki PAN
Tematy:
incipit
semantics
transformations
affixation
derivative
dynamic typology
Opis:
Lexical Forms of Song’s Incipits in Belarusian Wedding Cycle: Semantics, Structural Transformations (an Example of One Type of Texts) In the context of the study on dynamic typology and dialectal features of Belarusian folk songs, the paradigm of texts relating to the episode when the Bride parts with her parents is considered here. Such texts have the same lexical and poetic basis; are characterized by common type of incipit in different variants. All of these texts depict an dramatic for the Bride moment of “intrusion” into her backyard “an alien” family – the Groom’s family. Different versions of this incipit have been noticed within the large territory of Belarus and on the frontier (Latvia, Poland). Structural transformations of this type of incipits are manifested by reduction or, quite the opposite, by adding (affixation) syllables in verses. It is conditioned by non-verbal semantics expressed through vocalic rhythmic – the superiority of recitation elements or motor and somatic dynamics. Expansion of an incipit verses by adding to the initial word its rhymed synonym is also a typical phenomena.Diachrony of a given paradigm texts is also revealed by comparing the texts related thematically to the wedding moment mentioned above. A large number of these texts are abridged versions (a middle and a final part) of full texts of paradigm in question. A song in the abbreviated version begins with the culminative part and omits the metaphorical and descriptive initial part (such transformations can be observed in the periphery districts of a radical area). Accordingly, in such a case a different stanza fulfills the incipit function. The method of dynamic typology is applied while analyzing various texts that belong strictly to the same syllabic and rhythmic paradigm. It is a promising approach to study on linguo-musical dialects and diachronic changes in folk song language. Leksyka incipitów białoruskich pieśni weselnych: semantyka, transformacje strukturalne (na przykładzie jednej grupy tekstów)W kontekście badań typologii dynamicznej oraz cech dialektalnych białoruskiej pieśni ludowej rozpatrujemy paradygmat tekstów dotyczących epizodu rozstawania się panny młodej z rodzicami. Są to teksty o tym samym podłożu leksykalno-poetyckim, które charakteryzuje wspólny typ incipitu w różnych jego wariantach. Wszystkie one symbolizują dramatyczny dla panny młodej moment „wtargnięcia” na jej podwórko „obcego” rodu – rodu narzeczonego. Metafora ta zawarta jest w formule incipitu. Warianty formuły zanotowano na znacznym obszarze Białorusi oraz na terenach przygranicznych (Łotwa, Polska). Transformacje strukturalne tego typu incipitów polegają na redukcji lub rozrastaniu (afiksacji) składu sylabowego wersolinii. Wszystko to jest uwarunkowane semantyką pozawerbalną, wyrażoną przez rytmikę wokaliczną – z przewagą albo elementów deklamacyjności, albo dynamiki motoryczno-somatycznej. Charakterystyczne jest również poszerzenie wersu incipitu za pomocą dodawania do początkowego wyrazu synonimu rymowanego.Diachronia tekstów danego paradygmatu ujawnia się także przy zestawieniu tekstów tematycznie związanych z tymże epizodem wesela. Spora liczba tych tekstów przedstawia wersję skróconą – środkowy i końcowy fragmenty – tekstu pierwotnego danej grupy. Pieśń w wersji skróconej rozpoczyna się od punktu kulminacyjnego, z pominięciem metaforyczno-narracyjnej części wstępnej. Odpowiednio rolę incipitu pełni tu inna strofa. Teksty w wersji skróconej lokalizują się na peryferiach areału. Metodę dynamicznej typologii pieśni stosujemy do opisu tekstów różnych gatunków, o różnej tematyce, jednak należących ściśle do tego samego paradygmatu sylabo-rytmicznego. Otwiera to nowe perspektywy w badaniach dialektów lingwo-muzycznych oraz zmian diachronicznych w języku pieśni ludowej.
Źródło:
Acta Baltico-Slavica; 2016, 40
2392-2389
0065-1044
Pojawia się w:
Acta Baltico-Slavica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On a partial Hadamard fractional integral inclusion
Autorzy:
Cernea, Aurelian
Powiązania:
https://bibliotekanauki.pl/articles/729602.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
Hadamard fractional derivative
integral inclusion
decomposable set
Opis:
We study a class of nonconvex Hadamard fractional integral inclusions and we establish some Filippov type existence results.
Źródło:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization; 2016, 36, 2; 141-153
1509-9407
Pojawia się w:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental evaluation of forward speed effect on maneuvering hydrodynamic derivatives of a planing hull
Autorzy:
Kazerooni, M. F.
Seif, M. S.
Powiązania:
https://bibliotekanauki.pl/articles/135366.pdf
Data publikacji:
2017
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
planing hull
maneuvering
model test
derivative
hydrodynamic
Opis:
The calculation of unknown hydrodynamic derivatives of the equations of motion is the first step to estimate ship maneuverability and dynamic stability. These derivatives can be obtained theoretically, experimentally and numerically. Despite the development of the oblique towing model test to measure the hydrodynamic derivatives of displacement ships, limited experimental results are available for hydrodynamic derivatives of high speed crafts and speed dependency of the hydrodynamic derivatives is not understood well. In this paper a systematic series of model tests is described to determine the effect of forward speed on hydrodynamic derivatives of a monohull planing craft and the variations of the hydrodynamic derivatives by forward speed are derived. According to the results, hydrodynamic derivatives of planing hull are dramatically changed by variations of forward speed. Moreover, it is not possible to introduce a constant hydrodynamic derivative in the all the ranges of drift angle. Thus, the method of known constant hydrodynamic derivatives is not applicable to the simulation of planing craft maneuvering and variable hydrodynamic derivatives should be applied.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2017, 49 (121); 40-53
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Faza rekonstrukcyjna derywacyjnej koncepcji wykładni - próba krytycznej analizy
Autorzy:
Mularski, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/1788236.pdf
Data publikacji:
2017-05-14
Wydawca:
Polska Akademia Nauk. Instytut Nauk Prawnych PAN
Tematy:
derywacyjna koncepcja wykładni
derivative concept of interpretation
Opis:
The subject matter of the paper is the reconstructive phase of the derivative conception of interpretation. In this phase, the task of the interpreter is to recreate (reconstruct) from provisions of law a normative expression which later becomes the subject of further interpretation aimed at obtaining (or recognising, reconstructing) norm established by the legislator. Conducting the reconstructive phase allows you to move on to the next, perceptual phase of interpretation, grouping different types of interpretation directives. The paper presents doubts raised by the derivative conception in the chosen scope and attempts to indicate its possible modifications. Especially the theses on the "transition" procedure (paraphrase, semantic derivation) from provisions of law to the normative expression are considered controversial. The proposed modifications concern primarily a thesis of the need to make a set of legal provisions relevant prima facie for determining legal consequences of a given class of events the subject matter of interpretation carried out according to the principles of the perceptual phase.
Źródło:
Studia Prawnicze; 2017, 3 (211); 7-46
0039-3312
2719-4302
Pojawia się w:
Studia Prawnicze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contemporary trends in development of active substances possessing the pesticidal properties: neonicotinoid insecticides
Autorzy:
Legocki, J.
Polec, I.
Powiązania:
https://bibliotekanauki.pl/articles/55158.pdf
Data publikacji:
2008
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
insecticide
nicotinoid insecticide
nicotine
nitroguanidine derivative
pesticidal property
2-nitroethane derivative
nicotinic acetylcholine receptor
neonicotinoid insecticide
agonistic activity
Opis:
A new group of insecticides, widely introduced to the agriculture practice since the 90-ies of XX century - neonicotinoides, is discussed. The history of its arise, and insecticidal properties, mode of action, and short characteristics of some of its representatives is presented.
Źródło:
Pestycydy; 2008, 1-2; 143-159
0208-8703
Pojawia się w:
Pestycydy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On derivo-periodic multifunctions
Autorzy:
Jüttner, Libor
Powiązania:
https://bibliotekanauki.pl/articles/729346.pdf
Data publikacji:
2001
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
differential of multivalued functions
multivalued differential
contingent derivative
linearity of contingent derivative
periodic multivalued functions
derivo-periodic multivalued functions
Opis:
The problem of linearity of a multivalued derivative and consequently the problem of necessary and sufficient conditions for derivo-periodic multifunctions are investigated. The notion of a derivative of multivalued functions is understood in various ways. Advantages and disadvantages of these approaches are discussed.
Źródło:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization; 2001, 21, 1; 81-95
1509-9407
Pojawia się w:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Necessary optimality conditions for quasi-singular controls for systems with Caputo fractional derivatives
Autorzy:
Yusubov, Shakir Sh.
Mahmudov, Elimhan N.
Powiązania:
https://bibliotekanauki.pl/articles/27321480.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
fractional derivative
fractional optimal control
necessary optimality condition
Opis:
In this paper, we consider an optimal control problem in which a dynamical system is controlled by a nonlinear Caputo fractional state equation. First we get the linearized maximum principle. Further, the concept of a quasi-singular control is introduced and, on this basis, an analogue of the Legendre-Clebsch conditions is obtained. When the analogue of Legendre-Clebsch condition degenerates, a necessary high-order optimality condition is derived. An illustrative example is considered.
Źródło:
Archives of Control Sciences; 2023, 33, 3; 463--496
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Словотвірні варианты мужских личных собственных имен Луцкой замковой книги 1560-1561 гг.
Word‑formative Variants of Male Personal Proper Nouns in the Lutsk Castle Book of 1560‑1561
Autorzy:
Ящук, Леся
Литвинчук, Оксана
Powiązania:
https://bibliotekanauki.pl/articles/16506419.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
name
word‑formative variant
formant
derivative
heritage site
Opis:
The article is devoted to an analysis of the suffixal and truncated suffixal variants of male Christian names in the Lutsk castle book of 1560‑1561(2013), and the identification of productive / unproductive formants in the composition of the researched names. The Polish academic I. Mytnik prepared a monograph Anthroponymy of Volynia of the 16th‑18th centuries (2010), using a wide source base – 58 manuscripts and 32 printed sources, but this 16th‑century Volyn literary heritage site did not serve as a basis for her study. Having studied the word‑formative derivatives of the male Christian names in the Lutsk castle book of 1560‑1561 we came to the conclusion that the most productive formants are ‑k(o) (67 variants) and ‑ets (40 variants); the suffixes ‑yna (10), ‑uk (9), ‑ash (6), ‑osh (4) show a slightly lower productivity. With the help of the suffixes ‑k(a), ‑yk, ‑ysh, ‑ut(a), ‑yts(a) 2 nominal variants are formed. Names with the formants ‑ok, ‑as, ‑ys, ‑os, ‑ay constitute single examples. The most commonly used names in Volyn documents from the middle of the 16th century were Yatsko / Ya(ts)ko (35 bearers), Fede(ts) / Khvede(ts) (22), Vasko / Va(s)ko (20), Hrytsko / Hry(ts)ko, Yvane(ts) (18), Le(v)ko (15), Andree(ts) / Andrѣe(ts) (14), Yvashko / Yva(sh)ko, Matys (11), Mykhno, Tyshko / Ty(sh)ko, Fe(d)ko / Khve(d)ko (10). Among the truncated suffix name variants, the most productive form is ‑khno: it being attested in 9 names. While the most commonly used name is Mykhno (10 bearers).
Źródło:
Slavia Orientalis; 2022, LXXI, 1; 193-206
0037-6744
Pojawia się w:
Slavia Orientalis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Die polnische Wortbildungsterminologie im Vergleich mit der deutschen
Autorzy:
Stopyra, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/504780.pdf
Data publikacji:
2012
Wydawca:
Komisja Nauk Filologicznych Polskiej Akademii Nauk, Oddział we Wrocławiu
Tematy:
predicate-argument structure
derivative
compound
suffix
descriptive models
Opis:
The article discusses the model classifying German motivated words that takes its origin in the work of Fillmore entitled "The Case for Case" (1968) and is used by Hans Wellmann in his description of German word formation processes in 1984-1998 (Duden. Die Grammatik, Band 4). The model stands in agreement with the rule of assigning the semantic roles to individual parts of the sentence, which was formulated in German language by Wolfgang Motsch (2004). Renata Grzegorczykowa and Jadwiga Puzynina used the same rule in Polish word formation in their „Gramatyka współczesnego języka polskiego. Morfologia.” (1999). Each time, the model classifies the derivative words with reference to their semantic role and the motivating part of the explicatory paraphrase. Such derivatives may be, at the same time, classified according to their suiffxes. In the case of compounds and case government structures that are motivated by the functioning in the particular language verbal phrase, the motivational aspect comes from the particular verbal phrase (used as an explicating paraphrase) – its motivational argument and reference argument. The latter one belongs to the verb case government present in the explicating phrase and is added to the compound on its left side. The model described in the article is also used in order to describe the Danish derivatives which appear as equivalents of German words in the literary translations.
Źródło:
Academic Journal of Modern Philology; 2012, 1; 119-127
2299-7164
2353-3218
Pojawia się w:
Academic Journal of Modern Philology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Shape derivatives for general objective functions and the incompressible Navier-Stokes equations
Autorzy:
Schmidt, S.
Schulz, V.
Powiązania:
https://bibliotekanauki.pl/articles/969869.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
shape optimization
shape derivative
Navier-Stokes
adjoint calculus
Opis:
The aim of this paper is to present the shape derivative for a wide array of objective functions using the incompressible Navier-Stokes equations as a state constraint. Most real world applications of computational fluid dynamics are shape optimization problems in nature, yet special shape optimization techniques are seldom used outside the field of elliptic partial differential equations and linear elasticity. This article tries to be self contained, also presenting many useful results from the literature. We conclude with a comparison of different objective functions for the shape optimization of an obstacle in a channel, which can be done quite conveniently when one knows the general form of the shape gradient.
Źródło:
Control and Cybernetics; 2010, 39, 3; 677-713
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Shape differentiability of the Neumann problem of the Laplace equation in the half-space
Autorzy:
Amrouche, C.
Necasova, S.
Sokołowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/970287.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
shape optimization
Neumann problem
unbounded domain
material derivative
Opis:
We deal with the existence of the material derivative of the Laplace equation with the Neumann boundary condition in the half space. We consider two different perturbations of domains to get the existence of weak Gateaux material derivative and the existence of Fréchet material derivatives.
Źródło:
Control and Cybernetics; 2008, 37, 4; 747-769
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exciter fractional model and its susceptibility on parameter changes
Autorzy:
Majka, Łukasz
Sowa, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/376922.pdf
Data publikacji:
2020
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
exciter
measurements
fractional derivative
parameter estimation
numerical solver
Opis:
The paper concerns the application of fractional calculus in the modeling of a selected part of a power system generating unit, which is the high frequency AC exciter. The model’s fractional derivative-based generalization is recalled. The basis of the estimation process for the model consists of two sets of measurement waveforms. In order to solve the fractional and nonlinear problem – a numerical solver is applied. The solver and the estimation procedure have been both implemented in GNU Octave. The model parameter susceptibility is examined. The changes of each model parameter value is studied in a way that the influence on the model output is observed.
Źródło:
Poznan University of Technology Academic Journals. Electrical Engineering; 2020, 104; 87-98
1897-0737
Pojawia się w:
Poznan University of Technology Academic Journals. Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Software tools in didactics of mathematics
Autorzy:
Dudzińska-Baryła, Renata
Kopańska-Bródka, Donata
Michalska, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/421290.pdf
Data publikacji:
2015
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
visualisations
GeoGebra
multi-objective programming
fuzzy sets
derivative
Opis:
The use of software tools in the teaching process allows us to enrich the traditional methods. Graphics and animation complement the text and create positive associations related to the presented content. Recent research shows that using the visual methods in teaching leads to better scores obtained by students. The aim of the paper is to present the dynamic visualisations of selected concepts taught in mathematics and other “quantitative” subjects at university. Our dynamic visualisations can be used during lectures to help students to better understand difficult ideas and dependencies, for example the derivate of a function, the concept of fuzzy sets and the operations on these sets as well as the concept of the best solution in multi-objective programming problems. Visualisations of these issues are prepared in GeoGebra, which combines algebra and geometry and allows for the dynamic visualisation of concepts with a mathematical background.
Źródło:
Didactics of Mathematics; 2015, 12(16); 35-46
1733-7941
Pojawia się w:
Didactics of Mathematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Properties of novel composite alloys used for the engine pistons
Autorzy:
Kowalski, M.
Jankowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/949489.pdf
Data publikacji:
2017
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
novel composite alloys
engine pistons
thermal derivative analysis
Opis:
The article presents the results of the investigations cover novel composite silumins with new alloying additives, such as chromium and molybdenum (not yet used in this type of silumin) and increased content of nickel and copper. The samples strength tests were performed at room temperature (20°C) and at elevated temperatures (up to 350°C), and were carried out using the strength machine, equipped with the special climate chamber. The dimensional stability of the new aluminum alloy was investigated using the precision dilatometer. This device allows one to register and record the sample dimensions as a function of temperature, during sample heating and cooling. During the DTA crystallization process investigations, derivative curves have been determined, that allows the analysis of the solidification process and the analysis of the heat transfer process in the sample structure and phase transformations. In the article shows the derivative curve and representative microstructures, and characteristic temperatures for the conventional AlSi12 alloy and novel composite alloy. All research results indicated that the newly developed composite aluminum alloy has far better parameters than aluminum alloys used previously for pistons of the internal combustion engines. This article concludes with a summary of the advantages of the new composite alloys.
Źródło:
Journal of KONES; 2017, 24, 4; 109-116
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-25 z 333

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