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math.QA2023
A quantum field comonad
Jethro van Ekeren
We encapsulate the basic notions of the theory of vertex algebras into the construction of a comonad on an appropriate category of formal distributions. Vertex algebras are recover…
math.QA2021
The First Chiral Homology Group
Jethro van Ekeren, Reimundo Heluani
We study the first chiral homology group of elliptic curves with coefficients in vacuum insertions of a conformal vertex algebra V. We find finiteness conditions on V guaranteeing…