I post updates about my life ∩ maths via Mastodon, which is probably the best place to find me. I'm

Sometimes people get in touch via ResearchGate to request copies of my research papers they can't read.

I sometimes share code via GitHub.

I also have accounts on a bunch of other sites, including Twitter, LinkedIn &

My work contact details at Sheffield Hallam University are on my profile page.

Otherwise, you can send me a message using the following form.

Your details

This I don't want to know, please don't enter it.