[sage-devel] Re: A question about the zero-th betti number computation with Sage

2009-10-28 Thread Philippe Saade
On Tue, Oct 27, 2009 at 7:50 PM, John H Palmieri jhpalmier...@gmail.com wrote: You can find suggested fixes here: http://trac.sagemath.org/sage_trac/ ticket/7323  John Hi John. Thanks for the patch ! I have an account on trac so i could review it but it would make a cyclic reference...

[sage-devel] Re: A question about the zero-th betti number computation with Sage

2009-10-28 Thread John H Palmieri
On Oct 28, 2:08 am, Philippe Saade psa...@gmai l.com wrote: On Tue, Oct 27, 2009 at 7:50 PM, John H Palmieri jhpalmier...@gmail.com wrote: You can find suggested fixes here: http://trac.sagemath.org/sage_trac/ ticket/7323  John Hi John. Thanks for the patch ! I have an account

[sage-devel] Re: A question about the zero-th betti number computation with Sage

2009-10-27 Thread John H Palmieri
On Oct 27, 7:54 am, Philippe Saade psa...@gmail.com wrote: Hi all. There is an example in the official Reference Manual about SimplicialComplex and Betti Numbers and Euler Characteristic. S = SimplicialComplex(3, [[0,1], [1,2], [0,2]]) # circle T = S.product(S)  # torus T     Simplicial

[sage-devel] Re: A question about the zero-th betti number computation with Sage

2009-10-27 Thread John H Palmieri
On Oct 27, 9:57 am, Philippe Saade psa...@gmail.com wrote: On Tue, Oct 27, 2009 at 4:04 PM, John H Palmieri jhpalmier...@gmail.com wrote: For the torus (correct me if I am wrong), the 0-th Betti number should be 1. This would agree with the formula given for the Euler Characteristic in