X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;ds=inline;f=mjo%2Feja%2FTODO;h=a9158127e857ccea2b430dc60d91a0465b010480;hb=e6a97298e3bd565b460c024d6edf53421ef9f201;hp=51c2a33b542569c431d986a0d165d8774b0d49eb;hpb=42e532c7a3cf00e2d6ce1e70d05435bf0d30010c;p=sage.d.git diff --git a/mjo/eja/TODO b/mjo/eja/TODO index 51c2a33..a915812 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -1,3 +1,5 @@ +0. Add tests for orthogonality in the Peirce decomposition. + 1. Add CartesianProductEJA. 2. Check the axioms in the constructor when check != False? @@ -9,13 +11,8 @@ 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? - -8. Check that our field is a subring of RLF. +6. Can we make the minimal and characteristic polynomial tests work + for trivial algebras, too? Then we wouldn't need the "nontrivial" + argument to random_eja(). This would also allow us to potentially + pass a "size" of zero to the other constructors in random_eja() -- + a code path that is basically untested right now.