Hi Oliver,
just try the latest version of isomorphism.lisp from CVS.
Andrej has already fixed is_isomorphic in the last days.
HTH
Volker van Nek
Am 20 Aug 2008 um 19:17 hat Oliver Kullmann geschrieben:
> Hi,
>
> still is_isomorphic from module graphs
> cannot handle for example empty_graph(0).
>
> To my previous e-mails on this topic I got an
> answer: I would be glad if this time
> somebody would find a few minutes to tell
> me about this problem. I know, Maxima
> has problems all over the place with
> zeros, and if needed then is_isomorphic
> becomes another function which I wrap
> by adding a test, but nevertheless it
> would be good if I would obtain some
> reaction.
>
> Oliver
>
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