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math.RA2023★ 1 cited
Automorphism groups of deformations and quantizations of Kleinian singularities
Simone Castellan
It is known that, for the algebra of functions on a Kleinian singularity, the parameter space of deformations and the parameter space of quantizations coincide. We prove that, for…
math.QA2023
-Vertex algebras and chiralization of star products
Simone Castellan
We develop the theory of -vertex algebras, algebraic structures closely related to vertex algebras but with a deformed translation covariance axiom. We establish their struc…