A cusp singularity with no Galois cover by a complete intersection

Anderson, David

doi:10.1090/S0002-9939-04-07302-2

A cusp singularity with no Galois cover by a complete intersection
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by David E. Anderson PDF

Proc. Amer. Math. Soc. 132 (2004), 2517-2527 Request permission

Abstract:

With an explicit example, we confirm a conjecture by Neumann and Wahl that there exist cusps with no Galois cover by a complete intersection. Some computational techniques are reviewed, and a method for deciding whether a given cusp has a complete intersection Galois cover is developed.

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