[sage-combinat-devel] Re: CombinatorialFreeModule (again)

2010-09-03 Thread Bruce
Yes, I should have mentioned my question on ask.sagemath.org. Jason, Your answer there seems to work as required, thanks. I've responded there as well, with what I hope supplements my answer above.  Please ask for more detail if you need it--it would be very good to improve the documentation

[sage-combinat-devel] Weyl Character Ring Reimplementation

2010-09-03 Thread bump
Nicolas wrote: The best fix would be to have, as has been planned some time ago, WeylCharacterRing use categories (and by the way CombinatorialFreeModule), and this would be automatically handled by the coercion system. Dan: do you have any chance for handling this? I now have a complete

[sage-devel] Re: sage -spkg may hang

2010-09-03 Thread Simon King
Hi Mitesh! On Sep 2, 11:47 pm, Mitesh Patel qed...@gmail.com wrote: ... Maybe it's relevant? That sounds relevant to me. Could you give a link to a compressed archive of the directory? http://sage.math.washington.edu/home/SimonKing/Cohomology/p_group_cohomology-2.1.alpha0.tar.gz Don't mind

[sage-devel] Re: PhD position Industrial Algebra available (aka The PolyBoRi PhD)

2010-09-03 Thread Alexander Dreyer
Just to clariy: we are looking for a doctoral candidate (*not* a postdoc.) My best, Alexander -- 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

[sage-devel] Re: sage -spkg may hang

2010-09-03 Thread Simon King
Hi Mitesh, On Sep 2, 11:47 pm, Mitesh Patel qed...@gmail.com wrote: Warning Use communicate() rather than .stdin.write, .stdout.read or .stderr.read to avoid deadlocks due to any of the other OS pipe buffers filling up and blocking the child process. Communicate works! I am about to

[sage-devel] Re: sage -spkg may hang

2010-09-03 Thread Simon King
On Sep 3, 10:44 am, Simon King simon.k...@nuigalway.ie wrote: I am about to create a ticket for it. It is #9851, I guess ready for review. Cheers, Simon -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to

[sage-devel] Re: PhD position Industrial Algebra available (aka The PolyBoRi PhD)

2010-09-03 Thread Bill Hart
Hi Alexander, How can a finishing undergraduate have this kind of experience? I think I could hope to find a candidate who has used a computer algebra system, and perhaps to have done some courses at an undergraduate level on the broad areas of algebra and algebraic geometry. But how could an

[sage-devel] Re: PhD position Industrial Algebra available (aka The PolyBoRi PhD)

2010-09-03 Thread Bill Hart
Sorry, that *definitely* didn't come out the way I meant it, in the slightest. I only meant to ask, what level of skills in these areas are you looking for, could you be slightly more specific. I meant to imply that at some institutions, the list might give the impression of being a very tough

[sage-devel] Extend a real function's valid input types in Sage

2010-09-03 Thread Ross Kyprianou
Ive defined a class and need to pass instances of it to any standard real function in Sage such as exp and log (i.e. functions that accept numbers (ints, reals etc) and symbolic vars but obviously they wont accept this new class thats been created). I cant modify the functions to accept this new

[sage-devel] wiki.sagemath.org

2010-09-03 Thread William Stein
Hi, I've changed the http://sagemath.org wiki password phrase from Number of primes up to 100? to Number of primes up to 1000?The answer is 168. I made the question harder because we have had *several* distinct spammers successfully answer the first question and wreak havoc. -- William --

[sage-devel] Re: Extend a real function's valid input types in Sage

2010-09-03 Thread Jason Grout
On 9/3/10 10:53 PM, Ross Kyprianou wrote: Ive defined a class and need to pass instances of it to any standard real function in Sage such as exp and log (i.e. functions that accept numbers (ints, reals etc) and symbolic vars but obviously they wont accept this new class thats been created). I