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math-ph2026
Dynkin diagrams, generalized Nahm sums and 2d CFTs
Kaiwen Sun, Haowu Wang
A folklore conjecture states that the Nahm sum associated with a pair of Dynkin diagrams of type is a modular function. In this paper, we extend this conjecture to Dynkin di…
math-ph2024
Minimal W-algebras with non-admissible levels and intermediate Lie algebras
Kaiwen Sun
In \cite{Kawasetsu:2018irs}, Kawasetsu proved that the simple W-algebra associated with a minimal nilpotent element is rational and -cofinite for $\…