Modularity of Vafa-Witten Partition Functions from SymTFT

Jin Chen, Wei Cui, Babak Haghighat +1

The 6d (2,0) theory of $N$ M5 branes compactified on the product geometry $T^2\times S$, where $S$ is a Kähler 4-manifold, can be studied in two different limits. In one limit, the…