X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=fb89e5edc905cea8475fb2349b3318e4aad22947;hb=9dc3876d4313b1292111aa6ff56be168606fe9fd;hp=9edb3790ca89f859627c43e59db540b716fe5f16;hpb=ba5106550a9a614c6b6f7a2941ddce91ab592934;p=sage.d.git diff --git a/mjo/eja/TODO b/mjo/eja/TODO index 9edb379..fb89e5e 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -7,11 +7,6 @@ the nontrivial factor. On the other hand, it's nice that we can test out some alternate code paths... -4. Can we hit "x" with the deortho matrix and delegate to the - _rational_algebra to speed up minimal_polynomial? - -5. In CartesianProductEJA we already know the multiplication table and - inner product matrix. Refactor things until it's no longer - necessary to duplicate that work. - -6. Figure out how to remove Unital() from subalgebras. +4. Conjecture: if x = (x1,x2), then det(x) = det(x1)det(x2). This + should be used to fix the fact that det(x) is monstrously slow in + Cartesian product algebras, and thus randomly in the doctests.