Fixed points, antipodal points and coincidences of 𝑛-acyclic valued multifunctions

DOI10.1090/CONM/021/729517zbMath0528.55004OpenAlexW4233789638MaRDI QIDQ3308698

Helga Schirmer

Publication date: 1983

Published in: Topological Methods in Nonlinear Functional Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/conm/021/729517

zbMATH Keywords

multifunctionscoincidencesNielsen numberantipodal pointsacyclic setslower bound for number of fixed points in homotopy class

Mathematics Subject Classification ID

Set-valued maps in general topology (54C60) Fixed-point and coincidence theorems (topological aspects) (54H25) Fixed points and coincidences in algebraic topology (55M20)

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