X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=76b9eaf1dcf19f3c8385bd1f0486128b005ca3f2;hb=93e7b502538bd416c11a81cd0b8f47c24e934691;hp=38aa85bfe7a5c5ecc4b97c880c05533e42b5ad69;hpb=09298a6b80a44847f506961e0eeccb8cdf2ad9d3;p=sage.d.git diff --git a/mjo/eja/TODO b/mjo/eja/TODO index 38aa85b..76b9eaf 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -1,22 +1,20 @@ -A. Add tests for orthogonality in the Peirce decomposition. - -B. Add support for a symmetric positive-definite bilinear form in - the JordanSpinEJA. - 1. Add CartesianProductEJA. -2. Check the axioms in the constructor when check != False? +2. Add references and start citing them. -3. Add references and start citing them. +3. Implement the octonion simple EJA. -4. Implement the octonion simple EJA. - -5. Factor out the unit-norm basis (and operator symmetry) tests once +4. Factor out the unit-norm basis (and operator symmetry) tests once all of the algebras pass. -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(). +5. Override inner_product(), _max_test_case_size(), et cetera in + DirectSumEJA. + +6. Switch to QQ in *all* algebras for _charpoly_coefficients(). -7. Solve the charpoly system with A_of_x.solve_right(x_powers[r]) - rather than dumbass Cramer's rule. +7. Pass already_echelonized (default: False) and echelon_basis + (default: None) into the subalgebra constructor. The value of + already_echelonized can be passed to V.span_of_basis() to save + some time, and usinf e.g. FreeModule_submodule_with_basis_field + we may somehow be able to pass the echelon basis straight in to + save time.