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arXiv 2604.16635math.GT
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Penrose-Kauffman多项式

The Penrose-Kauffman Polynomial

University of South Alabama(阿拉巴马大学)

Louis H. Kauffman, Daniel S. Silver, Susan G. Williams

AI总结:

研究Penrose-Kauffman多项式在闭定向曲面中的立方图与完美匹配下的性质,通过结论视角证明多项式相关的新旧结果,并展示四色定理与平面交替链接图3着色的关系。

摘要:

对于闭定向曲面中的任意立方图和完美匹配,Penrose-Kauffman多项式是若干关联图的色多项式的和。结论视角为多项式相关的新旧结果提供了简单证明。四色定理被证明等价于关于平面中无大圆区域的简化交替链接图的3着色陈述。

英文摘要:

For any cubic graph in a closed orientable surface and a perfect matching, the Penrose-Kauffman polynomial is a sum of chromatic polynomials of a collection of associated graphs. A knot-theoretic perspective affords elementary proofs of old and new results about the polynomial. The Four Color Theorem is shown to be equivalent to a statement about 3-coloring alternating link diagrams in the plane that are reduced and have no bigon regions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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