[sage-devel] Re: Topology software for Sage

2009-02-12 Thread Simon King
Hi! On Feb 11, 6:45 pm, William Stein wrote: > On Wed, Feb 11, 2009 at 6:52 AM, Simon King > wrote: > > My question: How should the work on inclusion of topology software be > > organized? Should one open a single trac ticket (essentially > > complaining that there is not enough topology aroun

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread David Roe
> Another direction: compute Ext groups over connected algebras, > especially Ext over the Steenrod algebra, since this is the E_2-term > of the Adams spectral sequence. Bob Bruner has C code which does > this, and he is very interested in porting it to Sage or writing an > interface between it an

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread John H Palmieri
Hi Simon, On Feb 11, 6:52 am, Simon King wrote: > Dear sage developers, > > some people, including myself, believe that Sage should contain more > tools for topology. E.g., there was a > threadhttp://groups.google.com/group/sage-devel/browse_thread/thread/5bd11c... > about simplicial complexes

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread mabshoff
On Feb 11, 12:05 pm, Nathan Dunfield wrote: > Michael, Hi Nathan, > It sounds like you're using the version from GeometryGames.org: > > http://www.geometrygames.org/SnapPea-old/SnapPea3.html Yes, that is the URL given by Simon and I did not read your email after I had send mine since I ha

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread Nathan Dunfield
> Having glanced at the other projects this one seems to be the most > promising, but it certainly seems rather strange regarding build > system and so on. I.e. I did not see any obvious way to build the > kernel as a library for example. There is no meaningful documentation, > but a longer worded

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread mhampton
I am defintely hoping to make it to SD15, I think those dates work for me. Not counting the joint meetings, which is more about PR, I have never been to a Sage Days so I am really looking forward to it. I have some interest in adding support for some topology-related things for dynamical systems

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread mabshoff
On Feb 11, 10:20 am, Nathan Dunfield wrote: Hi, > > >  2. SnapPea > > > SnapPea is a program for creating and studying hyperbolic 3-manifolds > > > (http://www.geometrygames.org/SnapPea-old/index.html). It seems to be > > > widely used by computational topologists. AFAIK it can deal with idea

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread David Roe
> I very much hope Algebraic Topology will be a theme at Sage Days 15: > > http://wiki.sagemath.org/days15 I would like to work on Algebraic Topology at SD15. I'm talking to some topologists here at Harvard next week to see what they would like to see in Sage. David --~--~-~--~~

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread David Joyner
On Wed, Feb 11, 2009 at 12:45 PM, William Stein wrote: > ... > I very much hope Algebraic Topology will be a theme at Sage Days 15: > > http://wiki.sagemath.org/days15 > 1) Thanks very much for making SD15 on those dates! 2) I wonder if imaging/graphics could also be a theme? That would be c

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread Nathan Dunfield
> >  2. SnapPea > > SnapPea is a program for creating and studying hyperbolic 3-manifolds > > (http://www.geometrygames.org/SnapPea-old/index.html). It seems to be > > widely used by computational topologists. AFAIK it can deal with ideal > > triangulations, compute volume, has a census of hyperbo

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread mabshoff
On Feb 11, 9:45 am, William Stein wrote: > On Wed, Feb 11, 2009 at 6:52 AM, Simon King > wrote: Hi, > > Dear sage developers, > > > some people, including myself, believe that Sage should contain more > > tools for topology. E.g., there was a thread > >http://groups.google.com/group/sage-de

[sage-devel] Re: Topology software for Sage

2009-02-11 Thread William Stein
On Wed, Feb 11, 2009 at 6:52 AM, Simon King wrote: > > Dear sage developers, > > some people, including myself, believe that Sage should contain more > tools for topology. E.g., there was a thread > http://groups.google.com/group/sage-devel/browse_thread/thread/5bd11c7e9fe08e4c/6ba64c41dd86770e?l