X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=5bb85879e781286ca67df0a37a856c7db0a7885d;hb=63d9a1be5861241fb7f02838a74589cf56c2548e;hp=89b4d329b76d848c0caf1528c1c78b7faec1ff9a;hpb=7996413ef05ab2275c2cbb86494e30241904914b;p=sage.d.git diff --git a/mjo/eja/TODO b/mjo/eja/TODO index 89b4d32..5bb8587 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -1,17 +1,11 @@ -1. Add CartesianProductEJA. +1. Add references and start citing them. -2. Check the axioms in the constructor when check != False? +2. Profile (and fix?) any remaining slow operations. -3. Add references and start citing them. +3. When we take a Cartesian product involving a trivial algebra, we + could easily cache the identity and charpoly coefficients using + the nontrivial factor. On the other hand, it's nice that we can + test out some alternate code paths... -4. Implement the octonion simple EJA. - -5. Factor out the unit-norm basis (and operator symmetry) tests once - all of the algebras pass. - -6. Refactor the current ungodly fast charpoly hack (relies on the - theory to ensure that the charpolys are equal.) - -7. Implement random_instance() for the main EJA class. - -8. Implement random_instance() for the subalgebra class. +4. Can we hit "x" with the deortho matrix and delegate to the + _rational_algebra to speed up minimal_polynomial?