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arXiv 1208.4497math-phhep-thmath.MPmath.QAnlin.SI
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修正熔融晶体模型的可积结构

Integrable structure of modified melting crystal model

Kanehisa Takasaki

摘要:

我们以前关于熔化晶体模型(U(1)Nekrasov函数)的隐可积结构的工作被推广到一个修正的晶体模型。与前一种情况一样,量子环面代数的“移位对称性”起着核心作用。借助于这些代数关系,修正模型的配分函数被证明是二维Toda层次的τ函数。我们猜想,这个tau函数属于一类的解决方案(所谓的Toeplitz减少)有关的Ablowitz-拉迪克层次。

英文摘要:

Our previous work on a hidden integrable structure of the melting crystal model (the U(1) Nekrasov function) is extended to a modified crystal model. As in the previous case, "shift symmetries" of a quantum torus algebra plays a central role. With the aid of these algebraic relations, the partition function of the modified model is shown to be a tau function of the 2D Toda hierarchy. We conjecture that this tau function belongs to a class of solutions (the so called Toeplitz reduction) related to the Ablowitz-Ladik hierarchy.

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