Florent Hivert wrote: > Hi, > > I'd like to generate all partially ordered sets of a given cardinality upto > isomorphisms... They are in bijection with aclyclic, transitively reduced > directed graphs. Does anyone have an idea how to do that ? I can't manage to > get this with nauty.
I'm sure there's a smarter way, but you could generate acyclic directed graphs and then transitively reduce them. Jason -- Jason Grout -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org