Degenerations over $(A_\infty)$-singularities and construction of degenerations over commutative rings

Naoya Hiramatsu, Ryo Takahashi, Yuji Yoshino

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Abstract

We give a necessary condition of degeneration via matrix representations, and consider degenerations of indecomposable Cohen-Macaulay modules over hypersurface singularities of type ($A_\infty$). We also provide a method to construct degenerations of finitely generated modules over commutative rings.
Original languageUndefined/Unknown
JournalarXiv
Publication statusPublished - Feb 28 2018

Keywords

  • math.AC
  • math.RT
  • 13C14, 14D06, 16G60

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