The zero point index of a completely continuous perturbation of Fredholm maps commuting with the torus action

zbMath0931.58008MaRDI QIDQ1390405

Viktor G. Zvyagin

Publication date: 18 October 1998

Published in: Russian Mathematics (Search for Journal in Brave)

zbMATH Keywords

torus actionFredholm mapzero point index

Mathematics Subject Classification ID

Degree theory for nonlinear operators (47H11) Fixed-point theorems on manifolds (58C30) Fredholm structures on infinite-dimensional manifolds (58B15)

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