Opened 13 years ago
Last modified 12 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: |
Description
> option(noloadLib); > LIB "classify.lib"; > ring r = 0, (x,y,z), ds; > poly p = x3+y7+xyz; > basicinvariants(p); 0,-1,3 >
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 12 years ago by
Keywords: | student project added |
---|---|
Owner: | changed from somebody to pfister |
Note: See
TracTickets for help on using
tickets.