In this paper we shall prove that two basic theorems of singularity theory, the versatility theorem and the finite determinacy theorem, are valid for a large cl

In this paper we shall prove two theorems which together allow the infinitesimal methods of Thom and Mather in singularity theory to be applied to problems of t

This monograph considers a basic problem in the computer analysis of natural images, which are images of scenes involving multiple objects that are obtained by

On April 7-10, 1980, the American Mathematical Society sponsored a Symposium on the Mathematical Heritage of Henri Poincari, held at Indiana University, Bloomin