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A page to summarise and coordinate SAGE development activity.

Core arithmetic team

David Harvey, Martin Albrecht, Joel Mohler, Robert Bradshaw, William Stein

  • Develop new __mul__ semantics for rings/algebras using something like ToyQuarternionAlgebraElement as a test case.

  • Migrate _add_, _mul_ etc to new _add_sibling, _add_sibling_cdef, framework etc. Intention is to eventually remove _add_ everywhere.

  • Change all __add__ methods (etc) to use new fast code pathways, pyrex tricks, as studied at SAGE Days 2.

  • Try changing a.parent() == b.parent() conditions to a._parent is b._parent in various places and see what breaks.

  • Write up more entries in WritingFastPyrexCode. (everyone)

  • Write a benchmarking module.
  • Optimise pyrex in coercion module.

  • Make Algebra _base_ring into a cdef attribute.

  • Move univariate Polynomial class down to Pyrex, and make it inherit from CommutativeAlgebra instead of CommutativeRing. (David)

    • Rewrite polynomials over Z and Z/nZ using direct NTL calls. (David)

  • Optimise new integers mod n code using fast pyrex tricks.
  • Wrap NTL finite fields and polynomials over finite fields.

  • Benchmark omalloc. (Martin)

  • Linear algebra (perhaps William or Robert want to say something here?)

Lower priority issues

  • Make generic dense polynomial class in pyrex using C arrays to store coefficients?

Making SAGE Releases (Packaging and Integration)

  • William Stein
  • Getting sage-1.4.1 ready:
    • New maxima, pari, clisp.
    • Editing and including axiom interface.

Notebook/web team

  • Tom Boothby, Alex Clemesha, Dorian Raymer, William Stein
  • Change the Notebook over to use Twisted
  • Add SSL support for the Notebook (with Twisted/pyOpenSSL)
  • Make public Notebook more secure (no cross-side scripting / encrypted passwords / change root jail / ...)
  • Add notebook help browser
  • Wikify some parts of the Notebook
  • Add ability to edit plain text Notebook cells and then re-upload

3D Graphics

Alex Clemesha, Robert Miller, ...

  • Add 3D Graphics built on top of matplotlib

Other groups add yourselves here