Séminaire Lotharingien de Combinatoire, B10u (1984), 3 pp.
[Formerly: Publ. I.R.M.A. Strasbourg, 1987, 340/S-10, p.
99-101.]
Antonio Machi
Homologische Methoden in der Theorie der Hyperkarten
Abstract.
The goal of this talk is to present a proof of the Riemann-Hurwitz
formula for hypermaps that uses homological methods.
The following version is available: