Title of article
Algebraic Hypermap Morphisms
Author/Authors
Leonardo Cangelmi، نويسنده , , Leonardo and Cellini، نويسنده , , Paola، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2000
Pages
7
From page
555
To page
561
Abstract
We introduce algebraic hypermap morphisms, we give a natural definition of degree and branch number of morphisms, and we prove that the Riemann–Hurwitz formula holds.
Journal title
European Journal of Combinatorics
Serial Year
2000
Journal title
European Journal of Combinatorics
Record number
1548651
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