> since I was asked to, I'll try to clarify my ideas to marry finite group > actions with species.
Thanks, that definitely helps! > .. two basic species > .......................................................... > The species of set partitions is probably more complicated, it is > already quite complicated when the group acting is a Young subgroup > S_n1 x S_n2 x ... But maybe Robert's code could help here. Do you mean ordered or unordered set partitions? That is do you distinguish between the two following set partitions of {1,2,3}? [{1,2} {3}] and [{3}, {1,2}] Cheers, Nicolas -- Nicolas M. ThiƩry "Isil" <[EMAIL PROTECTED]> http://Nicolas.Thiery.name/ ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Aldor-combinat-devel mailing list Aldor-combinat-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/aldor-combinat-devel