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arXiv 1104.4630math.QAmath.RA
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经典和量子双对数恒等式

Classical and Quantum Dilogarithm Identities

Rinat M. Kashaev, Tomoki Nakanishi

摘要:

使用量子集群代数形式主义的Fock和Goncharov,我们提出了几种形式的量子双对数的身份与量子集群代数的周期性,即热带,普遍和本地的形式。然后,我们演示了如何经典双对数恒等式自然出现在局部形式的量子双对数恒等式的半经典极限应用的鞍点方法。

英文摘要:

Using the quantum cluster algebra formalism of Fock and Goncharov, we present several forms of quantum dilogarithm identities associated with periodicities in quantum cluster algebras, namely, the tropical, universal, and local forms. We then demonstrate how classical dilogarithm identities naturally emerge from quantum dilogarithm identities in local form in the semiclassical limit by applying the saddle point method.

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