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arXiv 2512.04091math.QAmath.GT
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一个 functorial 方法用于 Kashiwara-Vergne

A functorial approach to Kashiwara-Vergne

Trinity College Dublin(都柏林三一学院)

Rodrigo Navarro-Betancourt

AI总结:

本文通过 functorial 方法从 operads 推导 Lie bialgebras,并建立了 GRT 和 KRV 高阶组之间的关系。

摘要:

作为 Alekseev 和 Torossian 证明 Kashiwara-Vergne 猜想的后果,作者获得了 GRT 到 KRV 的注射。GRT 可以被视为 parenthesized chord diagrams 操作的自同构群,而 KRV 可以从 thrice-punctured sphere 的 Goldman-Turaev Lie bialgebra 的自同构群中恢复。这表明存在一种自然的方式从 operads 推导 Lie bialgebras,我们验证了这一点。也就是说,我们通过 functorially 构造 bracket 和 cobracket 操作来重现 Alekseev-Torossian 注入。该框架足以建立 Gonzalez 的 higher genus GRT_g 组与 Alekseev、Kawazumi、Kuno 和 Naef 的 higher genus KRV_g 组之间的关系。我们的构造受到 Massuyeau 和 Turaev 关于 Fox pairings 和 quasi-derivations 的工作的影响。

英文摘要:

As a consequence of the proof of the Kashiwara-Vergne conjecture of Alekseev and Torossian, the authors obtained an injection $\mathrm{GRT} \hookrightarrow \mathrm{KRV}$. The group $\mathrm{GRT}$ can be regarded as the group of automorphisms of the operad of parenthesized chord diagrams, while $\mathrm{KRV}$ can be recovered from the automorphism group of the Goldman-Turaev Lie bialgebra of a thrice-punctured sphere. This suggests the existence of a natural way to derive Lie bialgebras from operads, and we verify this is the case. That is, we reproduce the Alekseev-Torossian injection by functorially constructing bracket and cobracket operations out of operad modules. This framework is enough to establish a relationship between Gonzalez' higher genus $\mathrm{GRT}_g$ groups, and the higher genus $\mathrm{KRV}_g$ groups of Alekseev, Kawazumi, Kuno, and Naef. Our construction is informed by Massuyeau and Turaev's work on Fox pairings and quasi-derivations.

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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