I am getting errors building
* package: gfan-0.6.2.p1
* package: ppl-1.2.p1
please see the attached logs.
For ppl
configure: error: Cannot find GMP version 4.1.3 or higher.
and for gfan
./gfan: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found
(required by ./gfan)
./gfan:
> * There are some remaining hard problems in graphs, under current scrutiny
> I think.
>
The main remaining issues in the graph module are related to isomorphisms,
automorphisms, and related methods.
1) #27571: align behaviors of algorithm 'sage' and 'bliss' in
`automorphism_group` and fix
(only realizing now that the "attaching the logs" failed yesterday...)
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To
Hi Simon,
I would agree that I want unique representation with simple "ambient"
objects (usually constructed from an integer and maybe a ring). Then with
complicated objects I am not so sure anymore. Say subgroups of a group and
submodules of a module. There it might cause more trouble than
