X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=1ba2a464d066de3144512962c9e6e33fa8c2518e;hb=944ceb9212517941ca4b82d85459c46fe679ffd9;hp=f27df9cdc14c6e94cabd6a067285bc354ecd3cbe;hpb=7bb608efc474092b1c26286924c8d91a1bf51aaa;p=sage.d.git diff --git a/mjo/eja/TODO b/mjo/eja/TODO index f27df9c..1ba2a46 100644 --- a/mjo/eja/TODO +++ b/mjo/eja/TODO @@ -20,3 +20,21 @@ 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 product_on_basis() a cached method and manually cache its entries. The cython cached method lookup should be faster than a python-based matrix lookup anyway. + +7. What the ever-loving fuck is this shit? + + sage: O = Octonions(QQ) + sage: e0 = O.monomial(0) + sage: e0*[[[[]]]] + [[[[]]]]*e0 + +8. Factor out a class for matrices with real embeddings (i.e. not the + octonions). + +9. In fact, could my octonion matrix algebra be generalized for any + algebra of matrices over the reals whose entries are not real? Then + we wouldn't need real embeddings at all. They might even be fricking + vector spaces if I did that... + +10. Add HurwitzMatrixAlgebra subclass between MatrixAlgebra and + OctonionMatrixAlgebra.