``_rmul_`` and ``_lmul_`` (it's the module element (i.e., ``self``) on the right or left respectively), and (somewhat unfortunately) I think you need to also inherit from ModuleElement (or copy the ``__mul__`` method).
> > Or is it preferred to use ``_acted_upon_`` (see in > CombinatorialFreeModule)? > Thanks Travis. This is what I tried before I asked yesterday but I couldn't get it to work. The issue is that there is no multiplication defined on elements in a representation. In any case I have something working using sage.categories.action.Action. Andrew -- You received this message because you are subscribed to the Google Groups "sage-combinat-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-combinat-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-combinat-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-combinat-devel. For more options, visit https://groups.google.com/d/optout.
