X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=45a9ac06bf2c86020dee102143393e486fa408c5;hb=cf5e64b70869df65c7bb38888de54b1083e60d45;hp=0c3bd156662e20247bdc2206a304e4acadf55ec2;hpb=ef6cbbcaf6e708e327968211b9d11d2e29a7a35b;p=sage.d.git

diff --git a/mjo/eja/TODO b/mjo/eja/TODO
index 0c3bd15..45a9ac0 100644
--- a/mjo/eja/TODO
+++ b/mjo/eja/TODO
@@ -1,15 +1,22 @@
-1. Add CartesianProductEJA.
+1. Add references and start citing them.
 
-2. Check the axioms in the constructor when check != False?
+2. Pre-cache charpoly for some more algebras.
 
-3. Add references and start citing them.
+3. Profile the construction of "large" matrix algebras (like the
+   15-dimensional QuaternionHermitianAlgebra(3)) to find out why
+   they're so slow.
 
-4. Implement the octonion simple EJA.
+4. What the ever-loving fuck is this shit?
 
-5. Factor out the unit-norm basis (and operator symmetry) tests once
-   all of the algebras pass.
+       sage: O = Octonions(QQ)
+       sage: e0 = O.monomial(0)
+       sage: e0*[[[[]]]]
+       [[[[]]]]*e0
 
-6. Override inner_product(), _max_test_case_size(), et cetera in
-   DirectSumEJA.
+5. Every once in a long while, the test
 
-7. Switch to QQ in *all* algebras for _charpoly_coefficients().
+       sage: set_random_seed()
+       sage: x = random_eja().random_element()
+       sage: x.is_invertible() == (x.det() != 0)
+
+   in eja_element.py returns False.