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Wheel graph
In the mathematical discipline of graph theory, a wheel graph ''W''''n'' is a graph with ''n'' vertices (n ≥ 4), formed by connecting a single vertex to all vertices of an (''n''-1)-cycle. The numerical notation for wheels is used inconsistently in the literature: some authors instead use ''n'' to refer to the length of the cycle, so that their ''W''''n'' is the graph we denote ''W''''n+1''. A wheel graph can also be defined as the 1-skeleton of an (''n''-1)-gonal pyramid. ==Set-builder construction== Given a vertex set of , the edge set of the wheel graph can be represented in set-builder notation by .
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Wheel graph」の詳細全文を読む
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