Opened 11 years ago

Last modified 11 years ago

#373 new bug

basicinvariants() from classify.lib gives worng determinacy

Reported by: steenpass Owned by: pfister
Priority: minor Milestone: 3-1-4 and higher
Component: singular-libs Version: 3-1-3
Keywords: classify.lib, student project Cc:


> option(noloadLib);
> LIB "classify.lib";
> ring r = 0, (x,y,z), ds;
> poly p = x3+y7+xyz;
> basicinvariants(p);

Corank = 3 is correct, Milnor number = -1 is OK if one knows that this relies on the vdim command and stands for infinity, but determinacy <= 0 is wrong.

Change History (1)

comment:1 Changed 11 years ago by Oleksandr

Keywords: student project added
Owner: changed from somebody to pfister
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