A lockdown survey on cDV singularities (2103.16990v2)

Published 31 Mar 2021 in math.AG, math.RT, and math.SG

Abstract: This is an expository survey article on compound Du Val (cDV) singularities, with emphasis on recent homological approaches, including: noncommutative resolutions, tilting theory, contraction algebras, classification, derived categories, autoequivalences, stability conditions, deformation theory, and cluster tilting theory.