Zobrazeno 1 - 10
of 119
pro vyhledávání: '"GIREJKO, Ewa"'
Autor:
GIREJKO, Ewa1 e.girejko@pb.edu.pl, MALINOWSKA, Agnieszka B.1
Publikováno v:
Bulletin of the Polish Academy of Sciences: Technical Sciences. May2024, Vol. 72 Issue 3, p1-10. 10p.
Akademický článek
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In the paper we study the subject of positivity of systems with sequential fractional difference. We give formulas for the unique solutions of systems in linear and semi-linear cases. The positivity of systems is considered.
Externí odkaz:
http://arxiv.org/abs/1304.3484
Autor:
Girejko, Ewa, Torres, Delfim F. M.
Publikováno v:
Appl. Math. Lett. 25 (2012), no. 11, 1632--1637
The problem of existence of solutions to nabla differential equations and nabla differential inclusions on time scales is considered. Under a special form of the set-valued constraint map, sufficient conditions for the existence of at least one solut
Externí odkaz:
http://arxiv.org/abs/1201.4495
Publikováno v:
J. Vib. Control 17 (2011), no. 11, 1634--1643
We present a unified treatment to control problems on an arbitrary time scale by introducing the study of forward-backward optimal control problems. Necessary optimality conditions for delta-nabla isoperimetric problems are proved, and previous resul
Externí odkaz:
http://arxiv.org/abs/1007.3399
Publikováno v:
Optimization 61 (2012), no. 3, 251--264
The calculus of variations on time scales is considered. We propose a new approach to the subject that consists in applying a differentiation tool called the contingent epiderivative. It is shown that the contingent epiderivative applied to the calcu
Externí odkaz:
http://arxiv.org/abs/1007.0509
Publikováno v:
IEEE Catalog Number CFP1051D-CDR, 2010, 595--600
In this work we propose a new and more general approach to the calculus of variations on time scales that allows to obtain, as particular cases, both delta and nabla results. More precisely, we pose the problem of minimizing or maximizing the composi
Externí odkaz:
http://arxiv.org/abs/1005.4581
Publikováno v:
In Journal of Computational and Applied Mathematics September 2018 339:111-123
Publikováno v:
In IFAC PapersOnLine 2018 51(4):693-697
Autor:
Girejko, Ewa, Malinowska, Agnieszka B.
Publikováno v:
AIP Conference Proceedings; 2023, Vol. 2849 Issue 1, p1-4, 4p