Topology coloring

Introduction The aim of this study, is painting of topological surfaces with the least number of colors without the distance, and the colors have a border. For this purpose, we need a color mapping. In this mapping, we have not any fixed point, and we can colorable the map with least colors. Defini...

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Bibliographic Details
Main Authors: hmaid erfanianoraei dehrokhi, majid erfanian oraei
Format: Article
Language:fas
Published: Kharazmi University 2022-06-01
Series:پژوهش‌های ریاضی
Subjects:
Online Access:http://mmr.khu.ac.ir/article-1-3034-en.html