1-form symmetries of 4d N=2 class S theories
We determine the 1-form symmetry group for any 4d N = 2 class S theory constructed by compactifying a 6d N=(2,0) SCFT on a Riemann surface with arbitrary regular untwisted and twisted punctures. The 6d theory has a group of mutually non-local dimension-2 surface operators, modulo screening. Comp...
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| Format: | Article |
| Language: | English |
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SciPost
2021-11-01
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| Series: | SciPost Physics |
| Online Access: | https://scipost.org/SciPostPhys.11.5.096 |