PIRSA:22060007 Conference Mathematical physics

DOI10.48660/22060007

Conference/School: Global Categorical Symmetries

Kaidi, J. (2022). Non-Invertible Symmetries in d>2. Perimeter Institute. https://pirsa.org/22060007

Kaidi, Justin. Non-Invertible Symmetries in d>2. Perimeter Institute, Jun. 06, 2022, https://pirsa.org/22060007 

@misc{ pirsa_PIRSA:22060007,
  doi = {10.48660/22060007},
  url = {https://pirsa.org/22060007},
  author = {Kaidi, Justin},
  keywords = {Mathematical physics},
  language = {en},
  title = {Non-Invertible Symmetries in d>2},
  publisher = {Perimeter Institute},
  year = {2022},
  month = {jun},
  note = {PIRSA:22060007 see, \url{https://pirsa.org}}
}

Abstract

In this talk I will review some recent progress in the study of non-invertible symmetries in dimensions d>2. After introducing known constructions and describing how they lead to constraints on RG flows, I will discuss how non-invertible symmetries can also be used to obtain new RG flows. This involves the notion of ``non-invertible twisted compactification,” which can be used to construct e.g. novel 3d N=6 theories from 4d N=4 SYM. Finally, I will describe upcoming work in which we give a partial criterion for determining whether a given non-invertible symmetry is ``intrinsically non-invertible”, or whether it can be recast (in an appropriate sense) as a standard invertible symmetry with an anomaly.

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