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arXiv 2301.01008hep-th
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有边界曲面上的拓扑二维引力

Topological Two-Dimensional Gravity on Surfaces with Boundary

Jan Troost

摘要:

我们用接触相互作用和表面退化的方法求解了有边界表面上的二维引力。已知的解决方案的散装理论方面的接触代数推广到包括边界和一组扩大的边界算子。后者允许线性化的维拉索罗约束的扩展可积KdV层次。

英文摘要:

We solve two-dimensional gravity on surfaces with boundary in terms of contact interactions and surface degenerations. The known solution of the bulk theory in terms of a contact algebra is generalized to include boundaries and an enlarged set of boundary operators. The latter allow for a linearization of the Virasoro constraints in terms of an extended integrable KdV hierarchy.

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