>XIV. Commutative Algebra > > * Modules over multivariate rings. This is a big Gap in > functionality in Sage; presumably Singular can help fill it in? > >PROJECT: If Singular can do this well, wrap it. If not, consider >Macaulay 2 which certainly can.
Actually, you have already wrapped it, ... Almost. Vectors of multivariate polynomial rings are internally just the same as polynomials, except for each term the component is set to some value unequal to zero. > * Differential rings: I think we have nothing in Sage. > >PROJECT: Add support for differential rings. Again, Singular or Macaulay2? I started with Burcin on Sage days 10, wrapping that stuff. Actually, the data structure is again the same, only the rings are constructed differently. So, what is missing is mainly a concept, how to use generic wrapping of Singular's poly type to get polynomials, vectors, noncommutative polynomials... There is a team of Frank Seelisch, Oleksandr Motsak and Alexander Dreyer working on a similar task in C++, to generate a clean object oriented wrapper of the Singular functionality. So they might be the experts for these design issues. Michael --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
