The Wecken property of the projective plane
Tom 49 / 1999
Banach Center Publications 49 (1999), 223-225
DOI: 10.4064/-49-1-223-225
Streszczenie
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.
