A multiplicity result for second order impulsive differential equations via the Leggett Williams fixed point theorem

Multiple nonnegative solutions for second order impulsive differential equations

Ravi P. Agarwal, Donal O’Regan · Applied Mathematics and Computation · 2000 · 115 citations

Natural Sciences, Mathematics, Differential Equations +9

Three positive solutions to a discrete focal boundary value problem

Douglas R. Anderson, Richard I. Avery, Allan Peterson · Journal of Computational and Applied Mathematics · 1998 · 60 citations

Natural Sciences, Decision Sciences, Markov Decision Processes +6

Multiple positive solutions of boundary-value problems for impulsive differential equations

Dajun Guo, Xinzhi Liu · Nonlinear Analysis · 1995 · 53 citations

Natural Sciences, Mathematics, Differential Equations +13

Existence of Solutions to Boundary Value Problems for Impulsive Second Order Differential Inclusions

Lynn Erbe, Wiesław Krawcewicz · Rocky Mountain Journal of Mathematics · 1992 · 44 citations · Full text

Natural Sciences, Mathematics, Differential Equations +12

Existence of Three Solutions to Integral and Discrete Equations via the Leggett Williams Fixed Point Theorem

Ravi P. Agarwal, Donal O’Regan · Rocky Mountain Journal of Mathematics · 2001 · 30 citations · Full text

Natural Sciences, Mathematics, Differential Equations +7