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First Author : Wei-Fan Wang

Affiliation of Author(s): 数理与信息工程学院

Date of Publication : 2007-01-01

Document Type : 期刊

Journal : European Journal of Combinatorics

Volume: Vol.28

Issue : NO.1

Page Number : 111-120

ISSN : 0195-6698

Translation or Not : no

Abstract : There are two main theorems stated in the introduction section. Theorem A gives upper bounds on the sizes of graphs that are 2-cell embedded in a surface of nonnegative Euler characteristic and contain no cycles of specified lengths. Some of these bounds