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D.5.6.5 collectDiv

Procedure from library reszeta.lib (see reszeta_lib).

Usage:
collectDiv(L);
L = list of rings

Assume:
L is output of resolution of singularities

Compute:
list representing the identification of the exceptional divisors in the various charts

Return:
list l, where
l[1]: intmat, entry k in position i,j implies BO[4][j] of chart i is divisor k (if k!=0)
if k==0, no divisor corresponding to i,j
l[2]: list ll, where each entry of ll is a list of intvecs entry i,j in list ll[k] implies BO[4][j] of chart i
is divisor k
l[3]: list L

Example:
 


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.