eja: add some more TODO items.

diff --git a/mjo/eja/TODO b/mjo/eja/TODO
index 985e50a8dbbfc2d6f8c8d2e80d445fcd9b3ccd86..b2495b59f3264e5d638a59f6630daa77214cdb50 100644 (file)
--- a/mjo/eja/TODO
+++ b/mjo/eja/TODO
@@ -8,3 +8,12 @@
 
 5. Factor out the unit-norm basis (and operator symmetry) tests once
    all of the algebras pass.
+
+6. Implement spectral projector decomposition for EJA operators
+   using jordan_form() or eigenmatrix_right(). I suppose we can
+   ignore the problem of base rings for now and just let it crash
+   if we're not using AA as our base field.
+
+7. Do we really need to orthonormalize the basis in a subalgebra?
+   So long as we can decompose the operator (which is invariant
+   under changes of basis), who cares?