IMPULSIVE DIFFERENTIAL EQUATIONS WITH VARIABLE TIMES

Subject Analysis
Title IMPULSIVE DIFFERENTIAL EQUATIONS WITH VARIABLE TIMES
Author(s) berrabah fatima zohra, lakmeche abdelkder
Keywords Impulsive equations; upper and lower solutions; fixed point theorem
Abstract

Schauder-Tychonoff’s fixed point theorem and the notion of upper and lower solutions are used to investigate the existence of solutions for first order impulsive functional equations.