X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=82c49d53d883d40712b66897c115ed1e58fa430f;hb=42571e06964e4a9891614793fb0fc8d7e1dd069d;hp=b8ceda8fa3defcb3df1a5641ab03eed28c910ee9;hpb=0ed6dd869beb5fecd91e3653243e9c899b12c36b;p=sage.d.git diff --git a/mjo/eja/TODO b/mjo/eja/TODO index b8ceda8..82c49d5 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -1,19 +1,15 @@ -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. Conjecture: if x = (x1,x2), then det(x) = det(x1)det(x2). This + should be used to fix the fact that det(x) is monstrously slow in + Cartesian product algebras, and thus randomly in the doctests. -3. Add references and start citing them. - -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(). +5. Add dimension bounds on any tests over AA that compute element + subalgebras.