Zobrazeno 1 - 10
of 760
pro vyhledávání: '"Precup Radu"'
Publikováno v:
International Journal of Applied Mathematics and Computer Science, Vol 33, Iss 3, Pp 409-418 (2023)
A lower and upper solution method is introduced for control problems related to abstract operator equations. The method is illustrated on a control problem for the Lotka–Volterra model with seasonal harvesting and applied to a control problem of ce
Externí odkaz:
https://doaj.org/article/68905f3ca69c47ed82bbffa7b414ae1c
Autor:
Precup, Radu, Stan, Andrei
In this paper we examine a mutual control problem for systems of two abstract evolution equations subject to a proportionality final condition. Related observability and semi-observability problems are discussed. The analysis employs a vector fixed-p
Externí odkaz:
http://arxiv.org/abs/2409.09805
Autor:
Precup, Radu, Stan, Andrei
In this paper, we introduce and discuss the concept of a mutual control problem. Our analysis relies on a vector fixed-point approach based on the fixed-point theorems of Perov, Schauder, Leray-Schauder, and Avramescu. Additionally, for a related sem
Externí odkaz:
http://arxiv.org/abs/2407.21131
Autor:
Bunoiu Renata, Precup Radu
Publikováno v:
Advances in Nonlinear Analysis, Vol 9, Iss 1, Pp 292-304 (2019)
We propose a method for the localization of solutions for a class of nonlinear problems arising in the homogenization theory. The method combines concepts and results from the linear theory of PDEs, linear periodic homogenization theory, and nonlinea
Externí odkaz:
https://doaj.org/article/6c40052cf00e489faae47252db5a6e60
Autor:
Precup Radu
Publikováno v:
Advances in Nonlinear Analysis, Vol 3, Iss 4, Pp 197-207 (2014)
The paper deals with variational properties of fixed points for contraction-type operators. Under suitable conditions, the unique fixed point of a vector-valued operator is a Nash-type equilibrium of the corresponding energy functionals. This is achi
Externí odkaz:
https://doaj.org/article/bc0f25922ca44919afd9819bb8336444