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Title:
Vertex algebras in 4 dimensional theories
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Abstract:
Vertex algebras originally arose in a mathematical approach to 2-dimensional conformal field theories. Nevertheless they appear also in dimension 4. For example, we have examples of vertex algebras associated with 4-manifolds via gauge theories (Feigin-Gukov), and also ones associated with 4d N=2 superconformal field theories (Beem et al). I will survey various constructions and give open problems.
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