Existence of Periodic Solutions for Delay Differential Equations with State Dependent Delay

Nonlinear differential−difference equations

Mark J. Ablowitz, J. F. Ladik · Journal of Mathematical Physics · 1975 · 936 citations

Natural Sciences, Mathematics, Physics +16

Analysis of a Model Representing Stage-Structured Population Growth with State-Dependent Time Delay

Walter G. Aiello, H. I. Freedman, Jingang Wu · SIAM Journal on Applied Mathematics · 1992 · 506 citations

Life Sciences, Ecology, Dynamical Systems +12

A non-linear difference-differential equation.

E. M. Wright · Journal für die reine und angewandte Mathematik (Crelles Journal) · 1955 · 377 citations

Natural Sciences, Mathematics, Differential Equations +4

Periodic solutions of some nonlinear autonomous functional differential equations

Roger D. Nussbaum · Annali di Matematica Pura ed Applicata (1923 -) · 1974 · 200 citations

Natural Sciences, Mathematics, Differential Equations +9

On a generalization of the Schauder fixed point theorem

Felix E. Browder · Duke Mathematical Journal · 1959 · 160 citations

Natural Sciences, Family Law, Topology +5