Bollobas-Riordan多项式的不可定向拟树
Non-orientable quasi-trees for the Bollobas-Riordan polynomial
摘要:
我们推广了A的拟树展开式。尚帕内尔卡岛Kofman和N. Stoltzfus到不一定可定向的带状图。我们研究的Bollobas-Riordan多项式的对偶性质的这种扩展。作为推论,我们得到了虚链接图的Kauffman括号的“连通状态”展开。我们的证明广泛地使用了S的部分对偶性。奇穆托夫
英文摘要:
We extend the quasi-tree expansion of A. Champanerkar, I. Kofman, and N. Stoltzfus to not necessarily orientable ribbon graphs. We study the duality properties of the Bollobas-Riordan polynomial in terms of this expansion. As a corollary, we get a "connected state" expansion of the Kauffman bracket of virtual link diagrams. Our proofs use extensively the partial duality of S. Chmutov.
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