• Artículo
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      How to calculate the slopes of a D-module 

      Assi, Abdallah; Castro Jiménez, Francisco Jesús; Granger, Michel (Foundation Compositio Mathematica, 1996)
    • Artículo
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      The analytic standard fan of a D-module 

      Assi, Abdallah; Castro Jiménez, Francisco Jesús; Granger, Michel (Elsevier, 2001-10-24)
      We extend to the analytic D-module case our results in the algebraic case, namely, we associate with any monogeneous module ...
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      The Gröbner fan of an An-module 

      Assi, Abdallah; Castro Jiménez, Francisco Jesús; Granger, Michel (Elsevier, 2000-06-14)
      Let I be a non-zero left ideal of the Weyl algebra An of order n over a field k and let L:R2n→R be a linear form defined ...