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Title:
4D/2D duality and representation theory
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Abstract:
Vertex (operator) algebra (VOA) is an algebraic object introduced by Borcherds and Frenkel-Lepowsky-Meurman, which provides a mathematical framework for two-dimensional chiral conformal field theory. Therefore, as a matter of course, it was not originally expected that VOAs have anything to do with quantum field theories in dimension higher than two. However, it has been recently observed that VOAs do appear in higher dimensional quantum field theories.
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