Abstract
Consider a fixed class of maps $F$ for which there is a degree theory for the coincidence problem $F(x)=\varphi(x)$ with compact $\varphi$. It is proved that under very natural assumptions this degree extends to a degree for function triples which in particular provides a degree for coincidence inclusions $F(x)\in\Phi(x)$.
Citation
Martin Väth. "A general degree for function triples." Topol. Methods Nonlinear Anal. 41 (1) 163 - 190, 2013.
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