In the context of the Nielsen realization problem for finite groups of mapping classes of surfaces, we prove a generalization of the classical formula of Riemann-Hurwitz for arbitrary finite extensions of the fundamental group of a closed surface.
Eine Verallgemeinerung der Formel von Riemann-Hurwitz
ZIMMERMANN, BRUNO
1977-01-01
Abstract
In the context of the Nielsen realization problem for finite groups of mapping classes of surfaces, we prove a generalization of the classical formula of Riemann-Hurwitz for arbitrary finite extensions of the fundamental group of a closed surface.File in questo prodotto:
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