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arXiv 1107.4101hep-thmath-phmath.MPmath.NT
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Toric Seiberg对偶的不变量

Invariants of Toric Seiberg Duality

Amihay Hanany, Yang-Hui He, Vishnu Jejjala, Jurgis Pasukonis, Sanjaye Ramgoolam, Diego Rodriguez-Gomez

摘要:

在一个给定的复曲面卡-丘奇点的三膜导致复曲面(塞伯格)对偶相关的共形场论的不同阶段。使用二聚体模型/膜平铺描述的二分图在环面上,我们发现一个新的不变量下的Seiberg对偶,即克莱因j-不变量的复杂的结构参数的区别isoradial嵌入的二聚体,确定的物理R-收费。额外的数论不变量的R-收费的代数数域的条款进行了说明。通过引入广义关联矩阵,给出了a-极大化过程的一个新的简洁描述。

英文摘要:

Three-branes at a given toric Calabi-Yau singularity lead to different phases of the conformal field theory related by toric (Seiberg) duality. Using the dimer model/brane tiling description in terms of bipartite graphs on a torus, we find a new invariant under Seiberg duality, namely the Klein j-invariant of the complex structure parameter in the distinguished isoradial embedding of the dimer, determined by the physical R-charges. Additional number theoretic invariants are described in terms of the algebraic number field of the R-charges. We also give a new compact description of the a-maximization procedure by introducing a generalized incidence matrix.

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