Thursday is the US pi day. I'm buying some mathematically related things that day. For invoice purposes only. 😊

@christianp I'd really like to get a red order in on Thursday, for reasons. Mostly reasons. :-)

The University of California cancels its subscriptions to Elsevier journals after failing to agree on open access:

It should be no surprise that, as a signer of, I support this decision.

But this means, among other things, that you shouldn't publish in Elsevier journals if you want UC researchers like me to have easy access to the published versions of your papers.


A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.

Use \( and \) for inline LaTeX, and \[ and \] for display mode.