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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Three-twist knot ： ウィキペディア英語版 Three-twist knot In knot theory, the three-twist knot is the twist knot with three-half twists. It is listed as the 52 knot in the Alexander-Briggs notation, and is one of two knots with crossing number five, the other being the cinquefoil knot. The three-twist knot is a prime knot, and it is invertible but not amphichiral. Its Alexander polynomial is :$\backslash Delta(t)\; =\; 2t-3+2t^,\; \backslash ,$ its Conway polynomial is :$\backslash nabla(z)\; =\; 2z^2+1,\; \backslash ,$ and its Jones polynomial is :$V(q)\; =\; q^\; -\; q^\; +\; 2q^\; -\; q^\; +\; q^\; -\; q^.\; \backslash ,$ Because the Alexander polynomial is not monic, the three-twist knot is not fibered. The three-twist knot is a hyperbolic knot, with its complement having a volume of approximately 2.82812. ==References== 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「Three-twist knot」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.