Maximum principles for periodic impulsive first order problems
Journal of Computational and Applied Mathematics - Special issue: positive solutions of nonlinear problems
Nonlinear Analysis: Theory, Methods & Applications
Stability theorem for delay differential equations with impulses
Applied Mathematics and Computation
Mathematical and Computer Modelling: An International Journal
Positive periodic solutions of functional differential equations with impulses and a parameter
Computers & Mathematics with Applications
Positive solutions of periodic boundary value problems for impulsive differential equations
Computers & Mathematics with Applications
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This paper is devoted to studying the existence of single and multiple positive solutions to periodic problems for first-order impulsive differential equations. In addition, we apply our existence theorems to nonlinear periodic problems with singularity at the origin. Our proofs are based on Krasnoselskii fixed-point theorem in cones.