eja: add a soon-TODO.

[sage.d.git] / mjo / eja / TODO

diff --git a/mjo/eja/TODO b/mjo/eja/TODO
index cf870aedc40b1901ca81be9442ebf3d5b5f855cd..0e969cdfe4a2062c6a531b3fa84520c49e88de8f 100644 (file)
--- a/mjo/eja/TODO
+++ b/mjo/eja/TODO
@@ -17,3 +17,10 @@ sage: a0 = (1/4)*X[4]**2*X[6]**2 - (1/2)*X[2]*X[5]*X[6]**2 - (1/2)*X[3]*X[4]*X[6
 
 5. The main EJA element constructor is happy to convert between
    e.g. HadamardEJA(3) and JordanSpinEJA(3).
+
+6. Profile the construction of "large" matrix algebras (like the
+   15-dimensional QuaternionHermitianAlgebra(3)) to find out why
+   they're so slow.
+
+7. Drop the element-subalgebra in favor of a regular subalgebra. The
+   cached "one" can be set in the method.