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D.5.4.7 sppnf

Procedure from library gaussman.lib (see gaussman_lib).

Assume:
ncols(e)=size(w)=size(m)=size(V); typeof(V[i])=="module"

Return:
 
list spp;  spectral pairs normal form of (a,w,m,V)
  ideal spp[1];
    number spp[1][i];  V-filtration index of i-th spectral pair
  intvec spp[2];
    int spp[2][i];  weight filtration index of i-th spectral pair
  intvec spp[3];
    int spp[3][i];  multiplicity of i-th spectral pair
  list spp[4];
    module spp[4][i];  vector space of i-th spectral pair

See also: spectrum_lib.


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