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Displaying similar documents to “On the number of fixed points for a continuous map of a finite connected graph.”

Minimal fixed point sets of relative maps

Xue Zhao (1999)

Fundamenta Mathematicae

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Let f: (X,A) → (X,A) be a self map of a pair of compact polyhedra. It is known that f has at least N(f;X,A) fixed points on X. We give a sufficient and necessary condition for a finite set P (|P| = N(f;X,A)) to be the fixed point set of a map in the relative homotopy class of the given map f. As an application, a new lower bound for the number of fixed points of f on Cl(X-A) is given.