Abstract
We consider the index of the solution set of Fredholm equations with $f$-condensing type perturbations. This characteristic is applied to the existence of periodic solutions for delay differential equations.
Citation
Vladimir T. Dmitrienko. Viktor G. Zvyagin. "Index of solution set for perturbed Fredholm equations and existence of periodic solutions for delay differential equations." Topol. Methods Nonlinear Anal. 21 (1) 53 - 80, 2003.
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