Equisingularity, Multiplicity, and Dependence
Algebraic Geometry
2007-05-23 v1
Abstract
This is a report on some recent work by Gaffney, Massey, and the author, characterizing the conditions A_f and W_f for a family of ICIS germs equipped with a function. First we introduce the work informally. Then we review the formal definitions of A_f and W_f, and state the theorems that characterize them by the constancy of Milnor numbers. Next we review the definition of the Buchsbaum-Rim multiplicity, and reformulate the theorems by the constancy of certain Buchsbaum-Rim multiplicities. Finally, we review the theory of integral dependence of elements on submodules of free modules, and apply it to prove the reformulated theorems.
Cite
@article{arxiv.math/9805062,
title = {Equisingularity, Multiplicity, and Dependence},
author = {S L Kleiman},
journal= {arXiv preprint arXiv:math/9805062},
year = {2007}
}
Comments
15 pages, PLAIN TeX (with switches for AFour, 2-across)