X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=421e0e9450bd18bab8fc5b9f0c75c738df099080;hb=7c21799d680433b62d48ca79cc2ea8f27e1cd8da;hp=e8a2a8d4fc8988b1ad6f744a69daba9cf0582397;hpb=3e46389a46db107db3fe36ace6fe5f2c2b52f815;p=sage.d.git diff --git a/mjo/eja/TODO b/mjo/eja/TODO index e8a2a8d..421e0e9 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -1,13 +1,10 @@ -1. Add CartesianProductEJA. +1. Add references and start citing them. -2. Add references and start citing them. +2. Profile (and fix?) any remaining slow operations. -3. Implement the octonion simple EJA. +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. Factor out the unit-norm basis (and operator symmetry) tests once - all of the algebras pass. - -5. Override inner_product(), _max_test_case_size(), et cetera in - DirectSumEJA. - -6. Switch to QQ in *all* algebras for _charpoly_coefficients(). +4. Conjecture: if x = (x1,x2), then det(x) = det(x1)det(x2).