AbstractInk this paper, we consider the existence of subharmonic solutions for the problem utt + G′(u) = ƒ(t), where G:RN → R is not necessarily convex and ƒ:R → RN is periodic with minimal period T > 0
AbstractWe consider vector differential equtions x″ + g(t, x, x′) = f(t), x ϵ Rn, and show the exist...
AbstractIn this paper, we study the existence of periodic solutions with prescribed minimal period f...
In this paper, we prove the existence of harmonic solutions and infinitely many subharmonic solution...
AbstractInk this paper, we consider the existence of subharmonic solutions for the problem utt + G′(...
Consiglio Nazionale delle Ricerche - Biblioteca Centrale - P.le Aldo Moro, 7, Rome / CNR - Consiglio...
We consider the system of second order differential equations u" + del G(u) = e(t) = e(t + T), where...
AbstractSome solvability conditions of periodic and subharmonic solutions are obtained for a class o...
AbstractSome solvability conditions of periodic solutions and subharmonic solutions are obtained for...
In this paper, we obtain three subharmonic solutions with different prescribed minimal periods for a...
AbstractSome existence theorems are obtained for subharmonic solutions of nonautonomous second order...
We prove the existence of an arbitrarily large number of subharmonic solutions for a class of weakly...
17 pagesIn this paper, the existence of subharmonic solutions for a class of non-autonomous first-or...
AbstractThis paper is concerned with a time-periodic reaction–diffusion equation. It is known that t...
We prove the existence of solutions of various boundary-value problems for nonautonomous Hamiltonian...
We extend a result of J. Andres and K. Pastor concerning scalar time-periodic first order ordinary d...
AbstractWe consider vector differential equtions x″ + g(t, x, x′) = f(t), x ϵ Rn, and show the exist...
AbstractIn this paper, we study the existence of periodic solutions with prescribed minimal period f...
In this paper, we prove the existence of harmonic solutions and infinitely many subharmonic solution...
AbstractInk this paper, we consider the existence of subharmonic solutions for the problem utt + G′(...
Consiglio Nazionale delle Ricerche - Biblioteca Centrale - P.le Aldo Moro, 7, Rome / CNR - Consiglio...
We consider the system of second order differential equations u" + del G(u) = e(t) = e(t + T), where...
AbstractSome solvability conditions of periodic and subharmonic solutions are obtained for a class o...
AbstractSome solvability conditions of periodic solutions and subharmonic solutions are obtained for...
In this paper, we obtain three subharmonic solutions with different prescribed minimal periods for a...
AbstractSome existence theorems are obtained for subharmonic solutions of nonautonomous second order...
We prove the existence of an arbitrarily large number of subharmonic solutions for a class of weakly...
17 pagesIn this paper, the existence of subharmonic solutions for a class of non-autonomous first-or...
AbstractThis paper is concerned with a time-periodic reaction–diffusion equation. It is known that t...
We prove the existence of solutions of various boundary-value problems for nonautonomous Hamiltonian...
We extend a result of J. Andres and K. Pastor concerning scalar time-periodic first order ordinary d...
AbstractWe consider vector differential equtions x″ + g(t, x, x′) = f(t), x ϵ Rn, and show the exist...
AbstractIn this paper, we study the existence of periodic solutions with prescribed minimal period f...
In this paper, we prove the existence of harmonic solutions and infinitely many subharmonic solution...
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