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Introduction to quiver varieties -- for ring and representation theoriests
Published 30 Nov 2016 in math.RT, math.AG, and math.QA | (1611.10000v1)
Abstract: We review the definition of quiver varieties and their relation to representation theory of Kac-Moody Lie algebras. Target readers are ring and representation theorists. We emphasize important roles of first extension groups of the preprojective algebra associated with a quiver.
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