X-Git-Url: http://gitweb.michael.orlitzky.com/?p=sage.d.git;a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=45a9ac06bf2c86020dee102143393e486fa408c5;hp=b8ceda8fa3defcb3df1a5641ab03eed28c910ee9;hb=cf5e64b70869df65c7bb38888de54b1083e60d45;hpb=a21b1f2bf9bba6386185812c2804b5c17f0dd84b diff --git a/mjo/eja/TODO b/mjo/eja/TODO index b8ceda8..45a9ac0 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -1,19 +1,22 @@ -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. Pre-cache charpoly for some more algebras. -1. Add CartesianProductEJA. +3. Profile the construction of "large" matrix algebras (like the + 15-dimensional QuaternionHermitianAlgebra(3)) to find out why + they're so slow. -2. Check the axioms in the constructor when check != False? +4. What the ever-loving fuck is this shit? -3. Add references and start citing them. + sage: O = Octonions(QQ) + sage: e0 = O.monomial(0) + sage: e0*[[[[]]]] + [[[[]]]]*e0 -4. Implement the octonion simple EJA. +5. Every once in a long while, the test -5. Factor out the unit-norm basis (and operator symmetry) tests once - all of the algebras pass. + sage: set_random_seed() + sage: x = random_eja().random_element() + sage: x.is_invertible() == (x.det() != 0) -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(). + in eja_element.py returns False.