From d9b0659df5d8ad61f457674e009180618dffef67 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Thu, 11 Mar 2021 14:36:40 -0500
Subject: [PATCH] eja: add a performance TODO for Cartesian products with
 trivial factors.

---
 mjo/eja/TODO | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mjo/eja/TODO b/mjo/eja/TODO
index 1def3d2..529f70f 100644
--- a/mjo/eja/TODO
+++ b/mjo/eja/TODO
@@ -18,3 +18,8 @@
        True
        sage: x.det()
        0
+
+4. When we take a Cartesian product involving a trivial algebra, we
+   could easily cache the identity and charpoly coefficients using
+   the nontrivial factor. On the other hand, it's nice that we can
+   test out some alternate code paths...
-- 
2.43.2