X-Git-Url: http://gitweb.michael.orlitzky.com/?p=sage.d.git;a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=45a9ac06bf2c86020dee102143393e486fa408c5;hp=e8a2a8d4fc8988b1ad6f744a69daba9cf0582397;hb=cf5e64b70869df65c7bb38888de54b1083e60d45;hpb=3e46389a46db107db3fe36ace6fe5f2c2b52f815 diff --git a/mjo/eja/TODO b/mjo/eja/TODO index e8a2a8d..45a9ac0 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -1,13 +1,22 @@ -1. Add CartesianProductEJA. +1. Add references and start citing them. -2. Add references and start citing them. +2. Pre-cache charpoly for some more algebras. -3. Implement the octonion simple EJA. +3. Profile the construction of "large" matrix algebras (like the + 15-dimensional QuaternionHermitianAlgebra(3)) to find out why + they're so slow. -4. Factor out the unit-norm basis (and operator symmetry) tests once - all of the algebras pass. +4. What the ever-loving fuck is this shit? -5. Override inner_product(), _max_test_case_size(), et cetera in - DirectSumEJA. + sage: O = Octonions(QQ) + sage: e0 = O.monomial(0) + sage: e0*[[[[]]]] + [[[[]]]]*e0 -6. Switch to QQ in *all* algebras for _charpoly_coefficients(). +5. Every once in a long while, the test + + sage: set_random_seed() + sage: x = random_eja().random_element() + sage: x.is_invertible() == (x.det() != 0) + + in eja_element.py returns False.