Date and Time: Friday, Feb 12, 5 pm Modular Averages for WZW Correlators, and $N \leftrightarrow k$ Correspondence Ratul Mahanta HRI. 12-02-21 Abstract Genus zero correlators in $SU(N)_k$ WZW models are expressed as modular averages of the vacuum conformal block. This exploits an intriguing relationship between crossing symmetry and modular group. Furthermore, an $N \leftrightarrow k$ correspondence between modular averagings in dual theories has been established.
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