
doi: 10.1007/bf00289359
The existence theorem of R. Nussbaum for periodic solutions of difference-differential equations is generalized to equations with a damping term. The study of such equations is motivated by recent theories of neural interactions in certain compound eyes.
equations with a damping term, difference-differential equations, Functional-differential equations (including equations with delayed, advanced or state-dependent argument), Periodic solutions to ordinary differential equations
equations with a damping term, difference-differential equations, Functional-differential equations (including equations with delayed, advanced or state-dependent argument), Periodic solutions to ordinary differential equations
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