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Wyszukujesz frazę "Infinite" wg kryterium: Temat


Tytuł:
Non symmetric random walk on infinite graph
Autorzy:
Zygmunt, M. J.
Powiązania:
https://bibliotekanauki.pl/articles/254997.pdf
Data publikacji:
2011
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
random walk on an infinite graph
block tridiagonal transition matrix
spectral measure matrix orthogonal polynomials
Opis:
We investigate properties of a non symmetric Markov's chain on an infinite graph. We show the connection with matrix valued random walk polynomials which satisfy the orthogonality formula with respect to non a symmetric matrix valued measure.
Źródło:
Opuscula Mathematica; 2011, 31, 4; 669-674
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Output Stabilization for Infinite-Dimensional Bilinear Systems
Autorzy:
Zerrik, E. H.
Ouzahra, M.
Powiązania:
https://bibliotekanauki.pl/articles/911139.pdf
Data publikacji:
2005
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
system dwuliniowy nieskończony
stabilizacja wyjściowa
stabilizacja dziedzinowa
infinite bilinear systems
output stabilization
regional stabilization
Opis:
The purpose of this paper is to extend results on regional internal stabilization for infinite bilinear systems to the case where the subregion of interest is a part of the boundary of the system evolution domain. Then we characterize either stabilizing control on a boundary part, or the one minimizing a given cost of performance. The obtained results are illustrated with numerical examples.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2005, 15, 2; 187-195
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
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:
Structure of solutions of nonautonomous optimal control problems in metric spaces
Autorzy:
Zaslavski, A. J.
Powiązania:
https://bibliotekanauki.pl/articles/357858.pdf
Data publikacji:
2015
Wydawca:
Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
Tematy:
compact metric space
infinite horizon problem
optimization
turnpike property
przestrzeń metryczna
horyzont nieskończony
optymalizacja
sterowanie optymalne
Opis:
We establish turnpike results for a nonautonomous discrete-time optimal control system describing a model of economic dynamics.
Źródło:
Journal of Mathematics and Applications; 2015, 38; 151-169
1733-6775
2300-9926
Pojawia się w:
Journal of Mathematics and Applications
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:
Existence of solutions of the Dirichlet problem for an infinite system of nonlinear differential-functional equations of elliptic type
Autorzy:
Zabawa, T.S.
Powiązania:
https://bibliotekanauki.pl/articles/255205.pdf
Data publikacji:
2005
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
infinite systems
elliptic differential-functional equations
monotone iterative technique
Chaplygin's method
Dirichlet problem
Opis:
The Dirichlet problem for an infinite weakly coupled system of semilinear differential-functional equations of elliptic type is considered. It is shown the existence of solutions to this problem. The result is based on Chaplygin's method of lower and uper functions.
Źródło:
Opuscula Mathematica; 2005, 25, 2; 333-343
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stability of solutions of infinite systems of nonlinear differential-functional equations of parabolic type
Autorzy:
Zabawa, T.S.
Powiązania:
https://bibliotekanauki.pl/articles/254967.pdf
Data publikacji:
2006
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
stability of solutions
infinite systems
parabolic equations
elliptic equations
semilinear differential-functional equations
monotone iteration method
Opis:
A parabolic initial boundary value problem and an associated elliptic Dirichlet problem for an infinite weakly coupled system of semilinear differential-functional equations are considered. It is shown that the solutions of the parabolic problem is asymptotically stable and the limit of the solution of the parabolic problem as t → ∞ is the solution of the associated elliptic problem. The result is based on the monotone methods.
Źródło:
Opuscula Mathematica; 2006, 26, 1; 173-183
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Paradox of Freedom in the Theodramatic Reflection of Hans Urs von Balthasar against the Background of the Thought of Henri de Lubac and Józef Tischner
Autorzy:
Wołowski, Lech Bolesław
Powiązania:
https://bibliotekanauki.pl/articles/2088008.pdf
Data publikacji:
2022-06-10
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II
Tematy:
paradox
finite freedom
infinite freedom
Han Urs von Balthasar
Henri de Luback
Józef Tischner
Opis:
The article examines the paradoxicality of the notion of freedom in the theodramatic approach of Hans Urs von Balthasar. The main subject concerns the paradox of finite and infinite freedom and their relationship described in the second volume of Theo-Drama. The thought of the Swiss theologian is compared with the reflections of Henri de Lubac and Józef Tischner. The confrontation of their approaches in the context of the chosen topic made it possible to apply a new research method. Instead of the dialectical method, typically used in this context, a method concentrated on identifying the paradox and exploring the mystery behind it has been applied. This approach has led to a deeper understanding of the key role of the dynamical nature of finite freedom and has indicated the importance of proper identification of its source. It has allowed also displaying the inalienable nature of the Christological dimension to understand correctly the concept of infinite freedom and the most important feature of its essence. Finally, it has also helped to gain an in-depth insight into the conditions regarding the possibility of a genuine, though not symmetrical, relationship between the two freedoms.
Źródło:
Verbum Vitae; 2022, 40, 2; 303-333
1644-8561
2451-280X
Pojawia się w:
Verbum Vitae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ myśli Balthasara na Tischnerowską interpretację problemu intratrynitarnej wolności Boga
The influence of Balthasar’s thought on Tischner’s interpretation of the problem of God’s intratrinitarian freedom
Autorzy:
Wołowski, Lech
Powiązania:
https://bibliotekanauki.pl/articles/30148793.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Papieski Jana Pawła II w Krakowie
Tematy:
finite-human freedom
infinite-divine freedom
intratrinitarian relations
Tischner
Balthasar
relacje intratrynitarne
wolność nieskończona – Boska
wolność skończona – ludzka
Opis:
Niniejszy artykuł podejmuje problematykę wpływu myśli Balthasara na dynamikę refleksji Tischnera w zakresie problematyki intratrynitarnej wolności Boga i związanych z tą tematyką konsekwencji dla wolności człowieka. Dzięki zastosowaniu analizy porównawczej myśli obu autorów i uwzględnieniu chronologii ich publikacji, ustalone zostają konkretne ramy czasowe i konkretne przesłanki merytoryczne wpływające na istotne zmiany w postrzeganiu problematyki wolności Boga przez Tischnera. Dogłębnie przeanalizowana jest również Tischnerowska interpretacja Balthasarowych pojęć wolności nieskończonej i wolności skończonej. Wykazane są zarówno zbieżności, jak i istotne różnice w podejściach obu autorów, zwłaszcza w kontekście ontologicznego i agatologicznego ujęcia tej tematyki. Całość badań zamyka analiza zgodnie przeprowadzonej przez obu autorów apologii chrześcijańskiej wizji wolności człowieka, wynikającej z wolności Boga i zanurzonej w niej, wobec oświeceniowo-ateistycznego modelu zabsolutyzowanej wolności ludzkiej, w której właśnie ze względu na brak relacji z Bogiem wolność ulega stopniowej degradacji i w konsekwencji unicestwieniu.
The article examines the problem of the influence of Balthasar’s thought on the dynamics of Tischner’s reflection on the issue of the intratrinitarian freedom of God and the consequences for human freedom related to this subject. Using the method of comparative analysis of the contribution of both authors and taking into account the chronology of their publications, specific time frames and specific substantive premises are established that affected significant changes in Tischner's perception of the issue of God’s freedom. Tischner’s interpretation of Balthasar's concepts of infinite and finite freedom is also thoroughly analyzed. Both similarities and significant differences in the approaches of both authors are shown, especially in the context of the ontological and agathological approach to this subject. The work is concluded with an analysis of the apology, carried out consistently by both authors, of Christian vision of human freedom, originating and immersed in the freedom of God, in the confrontation with the Enlightenment-atheistic model of absolutized human freedom, in which, exactly due to the lack of the relationship with God, freedom gradually deteriorates and consequently undergoes annihilation.
Źródło:
Analecta Cracoviensia; 2022, 54; 89-110
2391-6842
0209-0864
Pojawia się w:
Analecta Cracoviensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wear cumulating process for friction pair implemented by first order recurrences
Autorzy:
Wierzcholski, K.
Powiązania:
https://bibliotekanauki.pl/articles/245033.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
cumulative wear values
operation after finite and infinite time units
first order recurrence implementation
variable coefficients after experiments
Opis:
Wear determination engages a major part of our efforts in considered numerous tribology problems including animal teeth and joints, human joints, cams, piston, rings, tires, brakes, dirt seals, belts, shoes, fabrics, electrical contacts, tape and CD reader heads and others. At times it seems after numerous observation, that the rate of progress in the knowledge of wear is very slow. Modern design activities are mostly concern in the wear cumulative values determination rather than the wear values determination in successive time units of friction nods during the operation time. Therefore, presented paper determines in analytical way the cumulative wear values of friction nods after specified finite and infinite units of operation time. Therefore are considered the convergences and divergences of wear value cumulative processes for various friction nods. The kind of friction nods depends on type of wear process propagation. Such propagation is described in this paper by the recurrence first order equation. Mentioned equation is formulated with constant or variable parameters. This parameters are determined by virtue of experimental measurements and depend on: bearing materials properties, environmental conditions, roughness of cooperating surfaces, vibration effects, electrical conductivity of materials, hardness of materials, deformations mode of cooperating surfaces, temperature, air humidity, kind of the friction, sliding velocity, loading of the friction nod and others. The range of wearing influence components and devices is endless. Therefore, this paper presents the methods of solutions of numerous specific class of ordinary non-homogeneous recurrence equations of first order with variable coefficients occurring in hydrodynamic theory of bearing especially micro-bearing wear problems. The obtained solutions are examined by means of the UOS operator. The examples presented in this paper determine the abrasive wear cumulative values of micro-bearing system after the indicated time units of operating time. Moreover, after infinite time units of micro-bearing operation are considered the convergences and divergences of the obtained sums of cumulative wear process.
Źródło:
Journal of KONES; 2014, 21, 1; 287-294
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A game-theoretic model of social adaptation in an infinite population
Autorzy:
Wieczorek, A.
Wiszniewska, A.
Powiązania:
https://bibliotekanauki.pl/articles/1338932.pdf
Data publikacji:
1999
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
prey-predator game
social adaptation
equilibrated distribution
infinite population
iterative process
Opis:
The paper deals with the question of existence and properties of equilibrated distributions of individual characteristics in an infinite population. General game-theoretic methods are applied and special attention is focused on the case of fitness functions depending only on the distance of an individual characteristic from a reference point and from the mean characteristics. Iterative procedures leading to equilibrated distributions are also considered.
Źródło:
Applicationes Mathematicae; 1998-1999, 25, 4; 417-430
1233-7234
Pojawia się w:
Applicationes Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zenon z Elei – doksografia i fragmenty
Zeno of Elea – doxography and fragments
Autorzy:
Wesoły, Marian
Powiązania:
https://bibliotekanauki.pl/articles/1046811.pdf
Data publikacji:
2013-12-31
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Zeno of Elea
Plato’s and Aristotle’s account of his arguments against the one – many
infinite divisibility
motion
place
and sound
Zeno’s dialectic
Opis:
After a very general exegetical introduction, we put forward a new arrangement and translation of the major testimonies on Zeno of Elea. The few passages that are generally regarded as fragmenta verbatim are also cited in the original. The source material is presented in a reconstructive order that is somewhat different from the previous editions of Zeno. Our aim is to capture the specific problematic context of the ancient authors who refer and question Zeno’s arguments, without isolating and break up theses texts. The particular passages have been provided with thematic headings.
Źródło:
Symbolae Philologorum Posnaniensium Graecae et Latinae; 2013, 23, 2; 69-96
0302-7384
Pojawia się w:
Symbolae Philologorum Posnaniensium Graecae et Latinae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nonlinear robust control for single-machine infinite-bus power systems with input saturation
Autorzy:
Wan, Y.
Powiązania:
https://bibliotekanauki.pl/articles/201145.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nonlinear robust control
input saturation
generator excitation
single-machine infinite-bus power systems
SMIB
nasycenie wejścia
wzbudzenie generatora
nieliniowe sterowanie
Opis:
In this paper, a new control scheme is proposed to achieve stability for a single-machine infinite-bus power system. A power system model simultaneously considering input saturation and time-varying uncertainties is presented. A sufficient condition for the system convergence is given and based on this result, a switching excitation control law with auxiliary system is designed. The stability analysis and simulation results all show that the developed controller is effective.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 1; 3-9
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the realization theory of polynomial matrices and the algebraic structure of pure generalized state space systems
Autorzy:
Vardulakis, A. I. G.
Karampetakis, N. P.
Antoniou, E. N.
Tictopoulou, E.
Powiązania:
https://bibliotekanauki.pl/articles/907853.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
macierz wielomianowa
nierozkładalność
przestrzeń stanu
polynomial matrices
realization theory
minimality
irreducibility
generalized state space
infinite decoupling zeros
Opis:
We review the realization theory of polynomial (transfer function) matrices via 'pure' generalized state space system models. The concept of an irreducible-at-infinity generalized state space realization of a polynomial matrix is defined and the mechanism of the 'cancellations' of 'decoupling zeros at infinity' is closely examined. The difference between the concepts of irreducibility and minimality of generalized state space realizations of polynomial (transfer function) matrices is pointed out and the associated concepts of dynamic and non-dynamic variables appearing in generalized state space realizations are also examined.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2009, 19, 1; 77-88
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Online learning algorithm for zero-sum games with integral reinforcement learning
Autorzy:
Vamvoudakis, K. G.
Vrabie, D.
Lewis, F. L.
Powiązania:
https://bibliotekanauki.pl/articles/91780.pdf
Data publikacji:
2011
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
learning
online algorithm
zero-sum game
game
infinite horizon
Hamilton-Jacobi-Isaacs equation
approximation network
optimal value function
adaptive control tuning algorithm
Nash solution
Opis:
In this paper we introduce an online algorithm that uses integral reinforcement knowledge for learning the continuous-time zero sum game solution for nonlinear systems with infinite horizon costs and partial knowledge of the system dynamics. This algorithm is a data based approach to the solution of the Hamilton-Jacobi-Isaacs equation and it does not require explicit knowledge on the system’s drift dynamics. A novel adaptive control algorithm is given that is based on policy iteration and implemented using an actor/ disturbance/critic structure having three adaptive approximator structures. All three approximation networks are adapted simultaneously. A persistence of excitation condition is required to guarantee convergence of the critic to the actual optimal value function. Novel adaptive control tuning algorithms are given for critic, disturbance and actor networks. The convergence to the Nash solution of the game is proven, and stability of the system is also guaranteed. Simulation examples support the theoretical result.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2011, 1, 4; 315-332
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł

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