X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=2d93ffb38a772f9409ecdff4153e975cb7c02c0b;hb=44ef5b665217783bbeb05341476d6e02bbc44d4f;hp=f27df9cdc14c6e94cabd6a067285bc354ecd3cbe;hpb=7bb608efc474092b1c26286924c8d91a1bf51aaa;p=sage.d.git

diff --git a/mjo/eja/TODO b/mjo/eja/TODO
index f27df9c..2d93ffb 100644
--- a/mjo/eja/TODO
+++ b/mjo/eja/TODO
@@ -19,4 +19,20 @@ 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
 6. Instead of storing a basis multiplication matrix, just make
    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.
+   python-based matrix lookup anyway. NOTE: we should still be able
+   to recompute the table somehow. Is this worth it?
+
+7. What the ever-loving fuck is this shit?
+
+       sage: O = Octonions(QQ)
+       sage: e0 = O.monomial(0)
+       sage: e0*[[[[]]]]
+       [[[[]]]]*e0
+
+8. 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...
+
+9. Add HurwitzMatrixAlgebra subclass between MatrixAlgebra and
+   OctonionMatrixAlgebra.