Mixed characteristic hypersurfaces of finite Cohen-Macaulay type

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Abstract

We define the mixed ADE singularities, which are generalizations of the ADE plane curve singularities to the case of mixed characteristics. The ADE plane curve singularities are precisely the equicharacteristic plane curve singularities of finite Cohen-Macaulay type; we show that the mixed ADE singularities also have finite Cohen-Macaulay type.

Original languageEnglish (US)
Pages (from-to)225-257
Number of pages33
JournalJournal of Pure and Applied Algebra
Volume167
Issue number2-3
DOIs
StatePublished - Feb 23 2002
Externally publishedYes

ASJC Scopus subject areas

  • Algebra and Number Theory

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