X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=207c06d9156b38ac485f2de3a4d836089aa68d0b;hb=d4dda0de8204273c70b599bfa532e54563cf0af1;hp=382fb6e67d6050dd6e8215ad2d371a5be3022057;hpb=403848519cc35245713ffb96b2372deb1ee1c621;p=sage.d.git diff --git a/mjo/eja/TODO b/mjo/eja/TODO index 382fb6e..207c06d 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -1,3 +1,5 @@ +A. Add tests for orthogonality in the Peirce decomposition. + 1. Add CartesianProductEJA. 2. Check the axioms in the constructor when check != False? @@ -6,12 +8,9 @@ 4. Implement the octonion simple EJA. -5. Factor out the Jordan axiom and norm tests once all of the - algebras pass. +5. Factor out the unit-norm basis (and operator symmetry) tests once + all of the algebras pass. -6. Create Element subclasses for the matrix EJAs, and then override - their characteristic_polynomial() method to create a new algebra - over the rationals (with a non-normalized basis). We can then - compute the charpoly quickly by passing the natural representation - of the given element into the new algebra and computing its charpoly - there. (Relies on the theory to ensure that the charpolys are equal.) \ No newline at end of file +6. Can we make the minimal and characteristic polynomial tests work + for trivial algebras, too? Then we wouldn't need the "nontrivial" + argument to random_eja().