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D.6.7.11 endvfilt

Procedure from library gmssing.lib (see gmssing_lib).

Usage:
endvfilt(v); list v

Assume:
v returned by vfilt

Return:
 
list ev;  V-filtration on Jacobian algebra
  ideal ev[1];
    number ev[1][i];  i-th V-filtration index
  intvec ev[2];
    int ev[2][i];  i-th multiplicity
  list ev[3];
    module ev[3][i];  vector space of i-th graded part in terms of ev[4]
  ideal ev[4];  monomial vector space basis of Jacobian algebra
  ideal ev[5];  standard basis of Jacobian ideal

Example:
 


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