X-Git-Url: https://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=e576af22e155bd21edc97b934a024dcf844ce356;hb=cf5e64b70869df65c7bb38888de54b1083e60d45;hp=fcba1c0ea2e38a6e4dc9dbb8ba7c860179c08c20;hpb=107a5d3f653f8a4b33c6927110a63770b2be7f07;p=sage.d.git

diff --git a/mjo/eja/TODO b/mjo/eja/TODO
index fcba1c0..45a9ac0 100644
--- a/mjo/eja/TODO
+++ b/mjo/eja/TODO
@@ -1,5 +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. What the ever-loving fuck is this shit?
+
+       sage: O = Octonions(QQ)
+       sage: e0 = O.monomial(0)
+       sage: e0*[[[[]]]]
+       [[[[]]]]*e0
+
+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.