summary:In the paper some existence results for periodic boundary value problems for the ordinary differential equation of the second order in a Hilbert space are given. Under some auxiliary assumptions the set of solutions is compact and connected or it is convex
AbstractOf concern is the existence and uniqueness of anti-periodic solutions to a class of abstract...
There are three kinds of results. First we extend and sharpen a convexity inequality of Agmon and Ni...
AbstractThe paper deals with the second order differential systems with periodic boundary conditions...
summary:In this paper we deal with the boundary value problem in the Hilbert space. Existence of a s...
AbstractWe show that if u is a bounded solution on R+ of u″(t) ϵ Au(t) + f(t), where A is a maximal ...
summary:In the paper some existence results for periodic boundary value problems for the ordinary di...
summary:In the paper some existence results for periodic boundary value problems for the ordinary di...
We establish conditions for the unique solvability of periodic boundary value problem for second-or...
3noWe prove the existence of periodic solutions of some infinite-dimensional systems by the use of t...
summary:A periodic boundary value problem for nonlinear differential equation of the second order is...
Abstract This paper is mainly devoted to studying one kind of the second order differential equation...
ABSTRACT. We study the existence of solutions for the periodic boundary value problem for some secon...
ABSTRACT. We study the existence of solutions for the periodic boundary value problem for some secon...
In this paper we study differential inclusions with boundary conditions in which the vector field F...
© 2020, Pleiades Publishing, Ltd. Abstract: We study periodic boundary value problems for a second-o...
AbstractOf concern is the existence and uniqueness of anti-periodic solutions to a class of abstract...
There are three kinds of results. First we extend and sharpen a convexity inequality of Agmon and Ni...
AbstractThe paper deals with the second order differential systems with periodic boundary conditions...
summary:In this paper we deal with the boundary value problem in the Hilbert space. Existence of a s...
AbstractWe show that if u is a bounded solution on R+ of u″(t) ϵ Au(t) + f(t), where A is a maximal ...
summary:In the paper some existence results for periodic boundary value problems for the ordinary di...
summary:In the paper some existence results for periodic boundary value problems for the ordinary di...
We establish conditions for the unique solvability of periodic boundary value problem for second-or...
3noWe prove the existence of periodic solutions of some infinite-dimensional systems by the use of t...
summary:A periodic boundary value problem for nonlinear differential equation of the second order is...
Abstract This paper is mainly devoted to studying one kind of the second order differential equation...
ABSTRACT. We study the existence of solutions for the periodic boundary value problem for some secon...
ABSTRACT. We study the existence of solutions for the periodic boundary value problem for some secon...
In this paper we study differential inclusions with boundary conditions in which the vector field F...
© 2020, Pleiades Publishing, Ltd. Abstract: We study periodic boundary value problems for a second-o...
AbstractOf concern is the existence and uniqueness of anti-periodic solutions to a class of abstract...
There are three kinds of results. First we extend and sharpen a convexity inequality of Agmon and Ni...
AbstractThe paper deals with the second order differential systems with periodic boundary conditions...