[sage-combinat-devel] Re: quiver algebra

2014-07-11 Thread Nicolas M. Thiery
On Fri, Jul 11, 2014 at 09:42:11AM -0700, Travis Scrimshaw wrote: > I would say this is like matrices: do you want the iterator for >matrices to iterate by default over all elements or rows? Currently the >iterator goes over all rows and you can call M.list() to get a flat >list o

[sage-combinat-devel] Re: quiver algebra

2014-07-11 Thread Travis Scrimshaw
Hey Nicolas, I would say this is like matrices: do you want the iterator for matrices to iterate by default over all elements or rows? Currently the iterator goes over all rows and you can call M.list() to get a flat list of entries. Actually, this is a question for graded objects in gener

[sage-combinat-devel] quiver algebra

2014-07-11 Thread Nicolas M. Thiery
Hi path algebra fans! I am having doctests failures in #8678 because of the following "feature" of quiver path algebras: sage: P = DiGraph({1:{2:['a']}, 2:{3:['b']}}).path_semigroup() sage: A = P.algebra(GF(7)) sage: A.list() [Free module spanned by [e_1, e

Re: [sage-combinat-devel] Re: Extednding tableaux

2014-07-11 Thread Nicolas M. Thiery
On Thu, Jul 10, 2014 at 09:25:05AM -0700, Travis Scrimshaw wrote: >On Thursday, July 10, 2014 7:11:52 AM UTC-7, Andrew wrote: > >I have this vague memory that some one was thinking of >extending/rationalising/reorganising the tableaux code so that it >fitted together better (whatev