
Peter Rowlett
@peterrowlett
Not here. Try @[email protected] on Mastodon, @peterrowlett.net on Bluesky, finitegroup.co.uk
ID: 20946945
http://peterrowlett.net/ 15-02-2009 23:28:49
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Enjoying listening to Katie Steckles talk about David Singmaster’s work on the Rubik’s cube at this Maths History meeting on recreational mathematics. Slide is a page from his seminal ‘Notes on Rubik’s Magic Cube’.


Today's new Mathematical Objects podcast has Katie Steckles telling me about space-filling curves! aperiodical.com/2024/09/mathem…



See Matthew Scroggs generalising the folding of a zine in this Finite Group highlight. patreon.com/FiniteGroup

We chat election mathematics on today’s new Mathematical Objects podcast with special guest The Internet's Friendly Mathematics Podcaster. aperiodical.com/2024/10/mathem…

I talked about the mathematics of ballots on the Mathematical Objects podcast with Katie Steckles and Peter Rowlett and it was so much fun! aperiodical.com/2024/10/mathem…

This week's Finite Group livestream highlight is me responding in shock when Katie Steckles does some error correction. Join at patreon.com/FiniteGroup if you want to be there the next time something this exciting happens. youtube.com/watch?v=cCtlCX…

What is maths? Who is it for? Where can it lead you? We offer more diverse answers to these questions than students might expect in this sixth form event for Maths Week England Maths Week England. If you're local to Sheffield & teach A Level maths check it out! shuoutreach.com/event/mathemat…

You may have seen me going on about being in the Finite Group - a Discord with monthly livestreams of fun people (Peter Rowlett @ayliean Matthew Scroggs) talking about maths - and now joining the Discord is now free! Join here to find out more: patreon.com/posts/free-mem…


I wrote about queuing in this weekend’s New Scientist! And I wrote this week’s puzzle exploring a technique involving multiplying a number’s digits together.


.Katie Steckles and I stare deep into an area the size of Wales and draw mathematical inspiration from the experience. And have some fun with silly units. aperiodical.com/2024/10/mathem…


We start our penultimate session of the day with @PeterRowlett, who heard Katie Steckles talk about primes in a FiniteGroup.co.uk livestream, which got him playing with emirps - primes which are still prime with the digits reversed, and primemirps - obtained by concatenating 1/7

Peter Rowlett Katie Steckles and overlapping an emirp and its reversal (e.g. 131, which is 13 and 31). He wrote some code and found all the primemirps under ten million! Check out this blog post: aperiodical.com/2023/11/primes… The primemirps Peter found are now in OEIS: oeis.org/A054218 2/7

