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arXiv 2011.12887hep-thmath-phmath.MP
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关于$S$类理论中离散动力系统的注记

A note on discrete dynamical systems in theories of class $S$

Michele Cirafici

摘要:

本文考虑$S$类理论中的线算子集。我们表明,这套进行的行动与BPS频谱的自然离散动力系统。我们讨论了几个应用程序的这一观点;与全球性的理论性质的关系;设置的限制施加在频谱生成器,特别是SU(2)$\mathcal{N}=2^*$的情况下;和线缺陷和某些球面双仿射赫克代数之间的关系。

英文摘要:

In this note we consider the set of line operators in theories of class $S$. We show that this set carries the action of a natural discrete dynamical system associated with the BPS spectrum. We discuss several applications of this perspective; the relation with global properties of the theory; the set of constraints imposed on the spectrum generator, in particular for the case of SU(2) $\mathcal{N}=2^*$; and the relation between line defects and certain spherical Double Affine Hecke Algebras.

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