Contributions to Khovanov Homology

Contributions to Khovanov Homology
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对霍瓦诺夫同调的贡献

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发表时间:
2008
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通讯作者:
S. Wehrli
S. Wehrli
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作者:
S. Wehrli

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Khovanov同调是M. Khovanov,并使用J.拉斯穆森给一个组合证明米尔诺猜想。在这篇论文中,我们给出了具有不同Khovanov同源性的突变链接的例子。我们证明了Khovanov的链复形回缩到一个子复形,其生成元与Tait图的生成树有关,我们利用这一结果来研究交替结的Khovanov同调的结构。此外,我们扩展Rasmussen的不变量链接。最后,我们推广了Khovanov关于有色Jones多项式的证明,并研究了有色框架链协边证明是函子的条件。在此背景下,我们开发了一个理论的卡特-斋藤电影移动框架链接配边。
Khovanov homology ist a new link invariant, discovered by M. Khovanov, and used by J. Rasmussen to give a combinatorial proof of the Milnor conjecture. In this thesis, we give examples of mutant links with different Khovanov homology. We prove that Khovanov's chain complex retracts to a subcomplex, whose generators are related to spanning trees of the Tait graph, and we exploit this result to investigate the structure of Khovanov homology for alternating knots. Further, we extend Rasmussen's invariant to links. Finally, we generalize Khovanov's categorifications of the colored Jones polynomial, and study conditions under which our categorifications are functorial with respect to colored framed link cobordisms. In this context, we develop a theory of Carter--Saito movie moves for framed link cobordisms.