AbstractThis note is a generalization of one of a paper by Mehri and Hamedani. Under suitable conditions of ƒ, the existence of periodic solutions of the nthorder differential equation x(n) + ƒ(t, x, x′,…, x(n − 1)) = 0 is established
The problem (1) is investigated. New sufficient conditions are derived for the existence of at leas...
We establish conditions for the existence of periodic solutions of nonlinear, second-order differenc...
summary:We study the existence and positivity of solutions of a highly nonlinear periodic differenti...
AbstractWe study the existence of periodic solutions to differential equations of the formL(x)+g(t,x...
summary:This paper establishes effective sufficient conditions for existence and uniqueness of perio...
summary:This paper establishes effective sufficient conditions for existence and uniqueness of perio...
AbstractThis note concerns a period solution of a class of odd order nonlinear ordinary differential...
summary:This paper is concerned with periodic solutions of first-order nonlinear functional differen...
summary:This paper is concerned with periodic solutions of first-order nonlinear functional differen...
AbstractWe study the existence of periodic solutions to differential equations of the formL(x)+g(t,x...
AbstractIn this paper, we study the existence of periodic solutions of the equation x′(t) = −ƒ(x(t),...
AbstractIn this paper, we use the Leray–Schauder degree theory to establish new results on the exist...
AbstractHere we propose a simple integral equation method for solution of nonlinear periodic boundar...
AbstractThe existence of a 1-periodic solution of the generalized Liénard equation x″ + g(x)x′ + f(t...
We establish conditions for the existence of periodic solutions of nonlinear, second-order differenc...
The problem (1) is investigated. New sufficient conditions are derived for the existence of at leas...
We establish conditions for the existence of periodic solutions of nonlinear, second-order differenc...
summary:We study the existence and positivity of solutions of a highly nonlinear periodic differenti...
AbstractWe study the existence of periodic solutions to differential equations of the formL(x)+g(t,x...
summary:This paper establishes effective sufficient conditions for existence and uniqueness of perio...
summary:This paper establishes effective sufficient conditions for existence and uniqueness of perio...
AbstractThis note concerns a period solution of a class of odd order nonlinear ordinary differential...
summary:This paper is concerned with periodic solutions of first-order nonlinear functional differen...
summary:This paper is concerned with periodic solutions of first-order nonlinear functional differen...
AbstractWe study the existence of periodic solutions to differential equations of the formL(x)+g(t,x...
AbstractIn this paper, we study the existence of periodic solutions of the equation x′(t) = −ƒ(x(t),...
AbstractIn this paper, we use the Leray–Schauder degree theory to establish new results on the exist...
AbstractHere we propose a simple integral equation method for solution of nonlinear periodic boundar...
AbstractThe existence of a 1-periodic solution of the generalized Liénard equation x″ + g(x)x′ + f(t...
We establish conditions for the existence of periodic solutions of nonlinear, second-order differenc...
The problem (1) is investigated. New sufficient conditions are derived for the existence of at leas...
We establish conditions for the existence of periodic solutions of nonlinear, second-order differenc...
summary:We study the existence and positivity of solutions of a highly nonlinear periodic differenti...
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