[sage-combinat-devel] Re: To what extent path algebras are currently available in Sage?

2012-11-21 Thread Volker Braun
I haven't tried QPA but it seems to be a pure GAP script, so I would expect that performance will be comparable to a pure Python implementation. But it looks like a very nice project and its likely that it would be of some use even if the core computations of a Sage quiver module were

Re: [sage-combinat-devel] Sage-combinat repo down

2012-11-21 Thread William Stein
Hi, On Monday, Andrew Ohana and I re-seated DIMM C3 in combinat.math.washington.edu. So far (2 days later) the machine is up and working fine. -- William On Fri, Nov 16, 2012 at 1:02 PM, Travis Scrimshaw tsc...@ucdavis.edu wrote: Thank you for taking care of this. Thanks, Travis On

[sage-combinat-devel] Re: To what extent path algebras are currently available in Sage?

2012-11-21 Thread Simon King
Hi Volker, Am Mittwoch, 21. November 2012 13:52:15 UTC+1 schrieb Volker Braun: A C++/Cython implementation of the basic path algebra arithmetic with bit-packed exponents and arbitrary coefficient rings would be a nice thing to have though ;-) Bit packed exponents? What does that mean in a