Noncommutative singularity theory
Gavin Brown
University of Warwick, Coventry, UKMichael Wemyss
University of Glasgow, UK
Download Chapter PDF
This book chapter is published open access.
Abstract
This is an expository article on the noncommutative singularity theory of power series in noncommuting variables, its motivation from deformation theory, and its applications to contractibility of curves and the classification of smooth -fold flops.