In case anyone doesn't know about the TCS aggregator ( it's a useful resource for new theoretical computer science posts as a twitter stream. It's down this week but should soon be back up as its creator Arvind Narayanan hands over the reins to Suresh Venkatasubramanian (

While I'm posting about feeds, instructions for obtaining RSS feeds for Mastodon accounts (such as the one I'm moving to from G+) are at

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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.