X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=9edb3790ca89f859627c43e59db540b716fe5f16;hb=ba5106550a9a614c6b6f7a2941ddce91ab592934;hp=b8ceda8fa3defcb3df1a5641ab03eed28c910ee9;hpb=0ed6dd869beb5fecd91e3653243e9c899b12c36b;p=sage.d.git diff --git a/mjo/eja/TODO b/mjo/eja/TODO index b8ceda8..9edb379 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -1,19 +1,17 @@ -A. Add tests for orthogonality in the Peirce decomposition. +1. Add references and start citing them. -B. Add support for a symmetric positive-definite bilinear form in - the JordanSpinEJA. +2. Profile (and fix?) any remaining slow operations. -1. Add CartesianProductEJA. +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... -2. Check the axioms in the constructor when check != False? +4. Can we hit "x" with the deortho matrix and delegate to the + _rational_algebra to speed up minimal_polynomial? -3. Add references and start citing them. +5. In CartesianProductEJA we already know the multiplication table and + inner product matrix. Refactor things until it's no longer + necessary to duplicate that work. -4. Implement the octonion simple EJA. - -5. 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(). +6. Figure out how to remove Unital() from subalgebras.