Computing versal deformations

Jan Stevens

doi:em/1047931622

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Home > Journals > Experiment. Math. > Volume 4 > Issue 2 > Article

1995 Computing versal deformations

Jan Stevens

Experiment. Math. 4(2): 129-144 (1995).

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Abstract

In recent years I have computed versal deformations of various singularities, partly by hand, but mostly with the program Macaulay. I explain here how to do these computations. As an application I discuss the smoothability of a certain curve singularity, a case I had not been to settle with general methods. As a result I find an example of a reduced curve singularity with several smoothing components.