Open AccessA proof of the crossing number of K3,nin a surface
Author(s) -
Pak-Tung Ho
Publication year - 2007
Publication title -
discussiones mathematicae graph theory
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.476
H-Index - 19
eISSN - 2083-5892
pISSN - 1234-3099
DOI - 10.7151/dmgt.1379
Subject(s) - mathematics , combinatorics , crossing number (knot theory) , combinatorial proof , surface (topology) , geometry , engineering , aerospace engineering , intersection (aeronautics)
In this note we give a simple proof of a result of Richter and Siran by basic counting method, which says that the crossing number of K3,n in a surface with Euler genus ε is
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