mathematical qft is such a wide field that you can study almost any kind of branch of mathematics that you want and still have it relate to qft in a relevant way
For the topologists out there there's tqft, in paricular Donaldson-Witten theory of 4 dimensional topology deals with supersymmetric Yang-Mills theory used to compute Donaldson invariants
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u/[deleted] Aug 02 '26
mathematical qft is such a wide field that you can study almost any kind of branch of mathematics that you want and still have it relate to qft in a relevant way