Presents an account of deformation theory in classical algebraic geometry that brings together some results scattered in the literature. This book includes appl... » 

Presents an account of deformation theory in classical algebraic geometry that brings together some results scattered in the literature. This book includes applications to the construction and properties of Severi varieties of families of plane nodal curves, space curves, deformations of quotient singularities, local Picard functors, and more. «