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D.15.10.1 brieskornSign
Procedure from library surfacesignature.lib (see surfacesignature_lib).
- Usage:
- brieskornSign(a1,a2,a3); a1,a2,a3 = integers
- Return:
- signature of Brieskorn singularity x^a1+y^a2+z^a3
Example:
| LIB "surfacesignature.lib";
ring R = 0,x,dp;
brieskornSign(11,3,5);
==> -48
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