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Keyword(s):  
Chromatic Number ◽  
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scholarly journals Circular chromatic number and Mycielski construction

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Vol 44 (2) ◽  
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Chromatic number of distance graphs generated by the sets {2,3,x,y}

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scholarly journals Distance graphs with maximum chromatic number

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pp. 1355-1365 ◽  
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Zhishi Pan ◽  
Xuding Zhu
Keyword(s):  
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Minor Free Graphs
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