On the Altermatic Number of Graphs

In 2015, Alishahi and Hajiabolhassan introduced the altermatic number of graphs as a lower bound for the chromatic number of them. Their proof is based on the Tucker lemma, a combinatorial counterpart of the Borsuk-Ulam theorem, which is a well-known result in topological combinatorics. In this pape...

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Bibliographic Details
Main Authors: Hossein Hajiabolhassan, Meysam Alishahi
Format: Article
Language:fas
Published: Kharazmi University 2020-05-01
Series:پژوهش‌های ریاضی
Subjects:
Online Access:http://mmr.khu.ac.ir/article-1-2638-en.html