golem.ph.utexas.edu

A Quick Algebra Quiz | The n-Category Café

A Quick Algebra Quiz

Posted by John Baez

MathML-enabled post (click for more details).

Here’s a quick algebra quiz. It’s really a test of your reflexes when it comes to algebra and category theory. It should take less than a minute if you have the right mental training. If you don’t, you may be doomed.

So, take a deep breath and give it a try.

MathML-enabled post (click for more details).

  1. Why is a commutative algebra over a field the same thing as a commutative ring under that field?
  2. What happens if we leave out the word ‘commutative’ both places here?

Posted at December 9, 2008 2:20 AM UTC

TrackBack URL for this Entry:   https://golem.ph.utexas.edu/cgi-bin/MT-3.0/dxy-tb.fcgi/1869