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Wyświetlanie 1-15 z 132
Tytuł:
Finansowanie badań naukowych z budżetu Unii Europejskiej. Wnioski dla Polski
Financing scientific research from the budget of the European Union
Autorzy:
Adamiec, Jolanta
Powiązania:
https://bibliotekanauki.pl/articles/2230928.pdf
Data publikacji:
2020
Wydawca:
Kancelaria Sejmu. Biuro Analiz Sejmowych
Tematy:
scientific research
EU scientific policy
framework programmes
Horizon 2020
Horizon Europe
research grants
Opis:
The article explores the approach of the European Union to financing of scientific research. It begins by outlining strategic documents of the EU concerning research policy and developments in financial support addressed to this kind of activities. More attention is given to the two consecutive cycles of European funding – Horizon 2020, which is currently coming to an end, and Horizon Europe, the programming phase of which is now being finalized. The review of the above issues serves as a basis for discussion how Poland uses the possibilities of financial support for scientific research and development activities and how the efficiency of Polish scientific institutions in applying for the EU funds could be improved.
Źródło:
Studia BAS; 2020, 1(61); 27-49
2080-2404
2082-0658
Pojawia się w:
Studia BAS
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Change in entropy of the spinning black holes
Autorzy:
Mahto, D.
Singh, A. S.
Vineeta, K.
Kumar, A.
Powiązania:
https://bibliotekanauki.pl/articles/411895.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Event-horizon
AGN
Entropy & Energy
Opis:
Aims: To derive an expression for change in entropy of spinning black holes on the basis of the model for the energy of spinning black holes E BHs= KBHs R's ( Mahto et al. 2011a) & the model for entropy change δS bh = [wzór]δE ( Mahto et al. 2011b) and then calculate their values for different test spinning black holes. Study Design: Data for the mass of black holes have collected from the research paper entitled :Super massive Black Holes in Galactic Nuclei: Past Present & Future Research(2005), Space Science Reviews by L. Ferrarese & H. Ford and Black holes in Astrophysics(2005), New Journal Physics by R. Narayan. The data for black hole constant for spinning black holes (K BHs = 1.214x1044) is taken from the paper entitled: Study of Schwarzschild radius with reference to the spinning black holes. Bulletin of Pure and Applied Sciences (2011a). Place and Duration of Study: Department of Physics, Marwari College Bhagalpur and University Department of Physics, T.M.B.U. Bhagalpur, between December 2013 and March 2014. Methodology: A theoretical based work using Laptop to calculate the calculation for change in entropy of different test spinning black holes at Marwari College Bhagalpur and the residential research chamber of the first author. Results: The calculation shows that the change in entropy of spinning black holes of the rest masses for stellar – mass black holes (M ~ 5 – 20 Mʘ) in X-ray binaries is 2.483x10 63 to 39.731x10 63 J/K and for the super massive Black holes (M ~ 10 6 – 109.5 Mʘ) in active galactic nuclei is 9.932x10 73 to 28.432x10 80 J/K. The nature of the graph for XRBs is the same to the Hawking entropy with the event horizon and straight line for AGN which confirms the validity of equations EBHs=KBHs R’s and δS bh = [wzór]δE .Conclusion: The change in energy and entropy of black holes are mainly dependent on the mass and independent of their event horizons.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 13, 2; 95-103
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Change in energy and entropy of the non-spinning black holes
Autorzy:
Mahto, D.
Khan, T. A.
Kumar, A.
Sah, R. K.
Powiązania:
https://bibliotekanauki.pl/articles/412037.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
event-horizon
AGN
Entropy & Energy
Opis:
In the present paper, we have derived an expression for change in entropy of non-spinning black holes on the basis of formula (EBH = KBHRS) as proposed by Kanak Kumari et al. (2010) and the formula δSbh= 2π/(k.c^2 ) δE (Mahto et al., 2011) and calculated their values for different test non-spinning black holes.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 4; 12-19
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Between New Technologies and New Paradigms in Academic Education. A Non-Reductionist Approach
Autorzy:
Turula, Anna
Powiązania:
https://bibliotekanauki.pl/articles/783117.pdf
Data publikacji:
2016
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
university education
digital learning
New Horizon Report
Opis:
The article presents an insight into an exploratory study carried out between February and May 2014. The study looked into the process of teacher training enhanced by new technology: an MA CALL seminar facilitated in the blended format as a series of online and offline tutorials. The participants of the class were 9 first-year students of the TEFL MA programme at the Pedagogical University in Cracow, Poland. The study and its results were described in detail in previous publications (Turula, 2015, Turula, in press). The present article investigates an aspect of the process researched: negotiatingbetween the digital realm, with its different tools and their affordances and a socialcontext of the digital-or blended, as is the case here-education.
Źródło:
Theory and Practice of Second Language Acquisition; 2016, 2, 2
2450-5455
2451-2125
Pojawia się w:
Theory and Practice of Second Language Acquisition
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Convergence of approximate solutions of variational problems
Autorzy:
Zaslavski, A. J.
Powiązania:
https://bibliotekanauki.pl/articles/970738.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
good function
infinite horizon
integrand
turnpike property
Opis:
We study the structure of approximate solutions of autonomous variational problems on large finite intervals. In our previous research, which was summarized in Zaslavski (2006b), we showed that approximate solutions are determined mainly by the integrand, and are essentially independent of the choice of time interval and data, except in regions close to the endpoints of the time interval. In the present paper we establish convergence of approximate solutions in regions close to the endpoints of the time intervals.
Źródło:
Control and Cybernetics; 2009, 38, 4B; 1607-1629
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Algorithm for turnpike policies in the dynamic lot size model
Autorzy:
Bylka, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/1339293.pdf
Data publikacji:
1996
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
lot size models
turnpike
forecast horizon
networks
Opis:
This article considers optimization problems in a capacitated lot sizing model with limited backlogging. Nothing is assumed about the cost function in the case of finite restrictions of the size on the stock and backlogs. The holding and backlogging costs are functions assumed to be stationary or nearly stationary in time. In both cases, it is shown that there exists an optimal infinite inverse policy and a periodical turnpike policy. Some forward and backward procedures are adopted that determine an optimal infinite inverse policy and a strong turnpike policy relative to the class of standard or batch ordering type policies. Some remarks on the existence of planning and forecast horizons are also given.
Źródło:
Applicationes Mathematicae; 1996-1997, 24, 1; 57-75
1233-7234
Pojawia się w:
Applicationes Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Gadamerian Hermeneutics: Fusions of Horizons, Dialogue, and Evolution(s) within Culture as Dynamic System of Meaning
Autorzy:
Larrauri Pertierra, Iñaki Xavier
Powiązania:
https://bibliotekanauki.pl/articles/985699.pdf
Data publikacji:
2021-03-31
Wydawca:
Uniwersytet Warszawski. Wydział Filozofii
Tematy:
gadamer
hermeneutics
culture
interpretation
meaning
horizon
relativism
Opis:
Culture as a dynamic system of meaningful relations can naturally accommodate a hermeneutic analysis. In this essay, the notion of Gadamer’s hermeneutics as involving interpretable meaning throughout experiential reality permits a natural concordance with an understanding of culture as meaningful. The Gadamerian idea that prejudices inform the horizons that make our experiences intelligible is applied to the view that culture is both a self-enclosed structure that is given by one’s horizon and one that continuously points past this horizon in genuine dialogue. Nevertheless, in seeing culture as a coherent system that transcends itself, we are consequently faced with a dilemma regarding the evolution of one’s cultural horizons: whether past horizons can survive the creation of novel ones through dialogue. However, this may be resolved through Gadamer’s understanding of the functions of sameness and difference within horizonal evolution, and how these functions feature in the distinction between a shared ontological ground and the horizons through which the ground is interpreted. Ultimately, we showcase how it is noncontradictory to suppose that culture is both self- and other-referential.
Źródło:
Eidos. A Journal for Philosophy of Culture; 2020, 4, 4; 45-62
2544-302X
Pojawia się w:
Eidos. A Journal for Philosophy of Culture
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
PORTFOLIO PERFORMANCE MEASUREMENT BASED ON THE MULTIHORIZON SHARPE RATIO - WAVELET ANALYSIS APPROACH
Autorzy:
Zamojska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/453303.pdf
Data publikacji:
2014
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
wavelet analysis
multihorizon Sharpe ratio
investment horizon
Opis:
The aim of the study is to evaluate and compare the performance of mutual funds. The proposed approach evaluates the effectiveness of the fund's investment strategy in terms of the investment horizon. As a tool wavelet analysis that has been applied to the decomposition of the excess returns of funds for the six scales was used. The Sharpe ratios calculated on the basis of the so-transformed series formed the basis for the arrangement of funds. The results indicate that the variance of rate of return in the analyzed funds decline as the wavelet scale increases.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2014, 15, 1; 209-217
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dwa zabytki brązowe z południowo-wschodniej Lubelszczyzny
Two bronze artefacts from the south-eastern Lublin region
Autorzy:
Kłosińska, Elżbieta Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/1035346.pdf
Data publikacji:
2021-05-10
Wydawca:
Uniwersytet Rzeszowski. Instytut Archeologii Uniwersytetu Rzeszowskiego. Muzeum Okręgowe w Rzeszowie
Tematy:
knife
lusatian culture
cheekpiece
cimmerian horizon
bronze age
Opis:
The article describes two bronze artefacts discovered without context in the Lublin region. The first one is a fragment of a knife blade found in Kornie. This item can be associated with the onset of the Lusatian culture. The second artefact, the cheekpiece of the Kamyševach type, probably comes from the Carpathian Basin from the Thraco-Cimmerian environment in the late Bronze Age.
Źródło:
Materiały i Sprawozdania Rzeszowskiego Ośrodka Archeologicznego; 2020, 41; 159-164
0137-5725
Pojawia się w:
Materiały i Sprawozdania Rzeszowskiego Ośrodka Archeologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Turnpike properties of approximate solutions of autonomous variational problems
Autorzy:
Zaslavski, A. J.
Powiązania:
https://bibliotekanauki.pl/articles/969609.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
good function
infinite horizon problem
integrand
turnpike property
Opis:
In this work we study the structure of approximate solutions of autonomous variational problems with vector-valued functions. We are interested in turnpike properties of these solutions, which are independent of the length of the interval, for all sufficiently large intervals. We show that the turnpike properties are stable under small perturbations of integrands.
Źródło:
Control and Cybernetics; 2008, 37, 2; 491-512
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of relevance feedback on web-based information retrieval for horizon scanning applications
Autorzy:
Palomino, Marco A.
Taylor, Tim
McBride, Geoff
Mortimer, Hugh
Owen, Richard
Depledge, Michael
Powiązania:
https://bibliotekanauki.pl/articles/432410.pdf
Data publikacji:
2013
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
horizon scanning
web mining
strategic planning
search engines
Opis:
Horizon scanning is being increasingly regarded as an instrument to support strategic decision making. It requires the systematic examination of data to identify potential threats and opportunities to improve resilience and decrease risk exposure. Horizon scanning may benefit from various retrieval techniques to augment the acquisition of data, though this involves a search for novel and emerging issues without knowing them beforehand. To optimise such a search, we propose the use of relevance feedback, which involves human interaction in the retrieval process so as to improve the results. As a proof-of-concept demonstration, we have carried out a horizon scanning exercise which showed that our utilisation of relevance feedback for horizon scanning applications was able to maintain the retrieval of relevant documents constant over the entire length of the experiment, without any reduction. This represents an improvement over previous studies where relevance feedback was not considered.
Źródło:
Informatyka Ekonomiczna; 2013, 2(28); 77-99
1507-3858
Pojawia się w:
Informatyka Ekonomiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stabilization of linear systems in random horizon via control
Autorzy:
Kozłowski, E.
Powiązania:
https://bibliotekanauki.pl/articles/206800.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
optimal control
linear quadratic control
random horizon
stability
Opis:
The control problem with random horizon at finie number of events is investigated in this paper, where the general aim of control is the stabilization (in mean square sense) of linear system at minimum cost. This problem is reduced to the task of optima control with established finite horizon. Moreover, the differences between stabilization with fixed and random horizons are also given. To illustrate those differences a numerical example is included.
Źródło:
Control and Cybernetics; 2013, 42, 2; 527-541
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New Technological Solutions to Improve Rail Passenger Services Based on the Example of the In2Stempo and ExtenSive Projects of Shift 2Rail
Autorzy:
Stencel, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/2203213.pdf
Data publikacji:
2022
Wydawca:
Instytut Kolejnictwa
Tematy:
rail
passenger
service
Shift2Rail
Horizon 2020
Opis:
There is a reason why it is said that stations are the business card of railroads. In the IN2STEMPO and ExtenSive projects, re-search work is looking at solutions to improve the passenger experience at stations. This article presents the scope of research carried out within the projects, including the development of more effective tools for crowd management at high-capacity stations, but also on new methods of designing stations and their elements taking into account the latest architectural trends. An important issue is also a problem still troubling the staff of many railroads, that is, improving accessibility from the plat-form to the train. Rail services, by their universality, should take account of the extensive opportunities offered by information technology. This applies to the complete process of passenger service, from purchase of a ticket to arrival at commercial out-lets and the journey itself. The article also outlines the principles of the ExtenSive project, which is a continuation of previous work aimed at developing both passenger applications and software for transport operators, which at the end of the day will enable the provision of transport services of the highest standard. This paper presents the results of the analysis so far on the eve of the projects’ completion, and identifies possible applications of the results of the work carried out.
Źródło:
Problemy Kolejnictwa; 2022, 196; 151--155
0552-2145
2544-9451
Pojawia się w:
Problemy Kolejnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Solving some deterministic finite horizon inventory models
Autorzy:
Sinha, P.
Powiązania:
https://bibliotekanauki.pl/articles/406508.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
inventory
finite horizon
globally optimal solution
search method
Opis:
Two single-item, deterministic, continuous, finite horizon inventory models having no shortage have been considered. A demand rate function, which is relatively general, for the item has been assumed. In the first model, units of the item do not deteriorate; while in the second units deteriorate in a constant fraction rate. Some optimality conditions are shown for the models. Based on these properties, single variable search methods have been described to obtain globally optimal solutions. Numerical experiments indicate that the methods yield acceptable solutions within small time and are suitable for practical applications.
Źródło:
Operations Research and Decisions; 2013, 23, 1; 63-74
2081-8858
2391-6060
Pojawia się w:
Operations Research and Decisions
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Long-horizon model predictive control of induction motor drive
Autorzy:
Wróbel, Karol Tomasz
Szabat, Krzysztof
Serkies, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/140624.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
model predictive control
long horizon
induction motor drive
Opis:
This paper investigates the application of a novel Model Predictive Control struc- ture for the drive system with an induction motor. The proposed controller has a cascade-free structure that consists of a vector of electromagnetics (torque, flux) and mechanical (speed) states of the system. The long-horizon version of the MPC is investigated in the paper. In order to reduce the computational complexity of the algorithm, an explicit version is applied. The influence of different factors (length of the control and predictive horizon, values of weights) on the performance of the drive system is investigated. The effectiveness of the proposed approach is validated by some experimental tests.
Źródło:
Archives of Electrical Engineering; 2019, 68, 3; 579-593
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 132

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