The Wecken property of the projective plane

Volume 49 / 1999

Boju Jiang Banach Center Publications 49 (1999), 223-225 DOI: 10.4064/-49-1-223-225


A proof is given of the fact that the real projective plane $P^2$ has the Wecken property, i.e. for every selfmap $f:P^2 → P^2$, the minimum number of fixed points among all selfmaps homotopic to f is equal to the Nielsen number N(f) of f.


  • Boju Jiang

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