ABSTRACT. The Dulac criterion is a classical method to rule out the existence of periodic solutions in planar differential equations. In this paper the applica-bility and therefore reversibility of this criterion is under consideration
The Bendixson-Dulac Theorem provides a criterion to find upper bounds for the number of limit cycles...
We propose a general method to prove the existence of periodic solutions for planar systems of ordin...
summary:Ordinary differential inclusions depending on small parameters are considered such that the ...
The Dulac criterion is a classical method for ruling out the existence of periodic solutions in plan...
AbstractBendixson’s Theorem [H. Ricardo, A Modern Introduction to Differential Equations, Houghton-M...
AbstractFor a class of higher dimensional autonomous systems that have an invariant affine manifold,...
We illustrate with several new applications the power and elegance of the Bendixson-Dulac theorem to...
AbstractThe continuation method of topological degree is used to investigate the existence of period...
Dancer [3] found a necessary and sufficient condition for the existence of periodic solutions to the...
summary:Some linear and weakly nonlinear partial differential equations with Dirichlet boundary cond...
AbstractIn this paper, we prove the almost periodicity of bounded solutions and a so-called Massera ...
AbstractThis article deals with the reflective function of differential systems. The obtained result...
Abstract. This note is concerned with the almost periodicity, periodicity, and quasi periodicityof b...
Bendixson\u27s Theorem [H. Ricardo, A Modem Introduction to Differential Equations, Houghton-Mifflin...
The thesis deals with periodic solutions of ordinary differential equations and examining of their s...
The Bendixson-Dulac Theorem provides a criterion to find upper bounds for the number of limit cycles...
We propose a general method to prove the existence of periodic solutions for planar systems of ordin...
summary:Ordinary differential inclusions depending on small parameters are considered such that the ...
The Dulac criterion is a classical method for ruling out the existence of periodic solutions in plan...
AbstractBendixson’s Theorem [H. Ricardo, A Modern Introduction to Differential Equations, Houghton-M...
AbstractFor a class of higher dimensional autonomous systems that have an invariant affine manifold,...
We illustrate with several new applications the power and elegance of the Bendixson-Dulac theorem to...
AbstractThe continuation method of topological degree is used to investigate the existence of period...
Dancer [3] found a necessary and sufficient condition for the existence of periodic solutions to the...
summary:Some linear and weakly nonlinear partial differential equations with Dirichlet boundary cond...
AbstractIn this paper, we prove the almost periodicity of bounded solutions and a so-called Massera ...
AbstractThis article deals with the reflective function of differential systems. The obtained result...
Abstract. This note is concerned with the almost periodicity, periodicity, and quasi periodicityof b...
Bendixson\u27s Theorem [H. Ricardo, A Modem Introduction to Differential Equations, Houghton-Mifflin...
The thesis deals with periodic solutions of ordinary differential equations and examining of their s...
The Bendixson-Dulac Theorem provides a criterion to find upper bounds for the number of limit cycles...
We propose a general method to prove the existence of periodic solutions for planar systems of ordin...
summary:Ordinary differential inclusions depending on small parameters are considered such that the ...