D-module structure of local cohomology modules of toric algebras

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5 Citations (Scopus)


Let S be a toric algebra over a field K of characteristic 0 and let I be a monomial ideal of S. We show that the local cohomology modules H i I (S) are of finite length over the ring of differential operators D(S;K), generalizing the classical case of a polynomial algebra S. As an application, we compute the characteristic cycles of some local cohomology modules.

Original languageEnglish
Pages (from-to)2461-2478
Number of pages18
JournalTransactions of the American Mathematical Society
Issue number5
Publication statusPublished - 2012

All Science Journal Classification (ASJC) codes

  • Mathematics(all)
  • Applied Mathematics


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