Chromatic Numbers of Suborbital Graphs for the Modular Group and the Extended Modular Group

Wanchai Tapanyo and Pradthana Jaipong

Journal of Mathematics, 2017, vol. 2017, 1-7

Abstract:

This research studies the chromatic numbers of the suborbital graphs for the modular group and the extended modular group. We verify that the chromatic numbers of the graphs are or . The forest conditions of the graphs for the extended modular group are also described in this paper.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:7458318

DOI: 10.1155/2017/7458318

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