Theorem: every 5-connected non-planar graph contains a subdivision of $K_5$. The above statement, conjectured independently by Alexander Kelmans and Paul Seymour in the 70s, is very easy to say. And the video below, starring Dawei He, Yan Wang, and Xingxing Yu, makes it look very easy to prove: It’s like they got Wes Anderson to film an academic PR…
Maths and stats! On BBC Radio 1! Who’d’ve though it! DJ Clara Amfo and the ubiquitous Hannah Fry have got a new series on the UK’s top pop station, looking at music from a mathematical perspective. Music by Numbers (excuse me, Music by Num83r5), is currently being broadcast at 9pm each Tuesday, and there are a couple…
Since 2010, I’ve been maintaining a list of “interesting esoterica” – papers, books, essays and poems that I find interesting entirely on their own merits. It’s mainly bits of esoteric maths – hence the name – but I’ve also included quite a few things just because they have amusing titles. The main idea is that when…
Here are a few of the stories that we didn’t get round to covering in depth this month. Turing’s Sunflowers Project – results Manchester Science Festival’s mass-participation maths/gardening project, Turing’s Sunflowers, ran in 2012 and invited members of the public to grow their own sunflowers, and then photograph or bring in the seed heads so…
“I’m proud that I’ve lived to see… so many of the things that I’ve worked on being so widely adopted that no one even thinks about where they came from.” ((Solomon W. Golomb – 2016 Laureate of the Franklin Institute in Electrical Engineering)) Solomon Golomb (1932-2016) Solomon Golomb, who died on Sunday May 1st, was…
The next issue of the Carnival of Mathematics, rounding up blog posts from the month of April, and compiled by Kartik, is now online at Comfortably Numbered. The Carnival rounds up maths blog posts from all over the internet, including some from our own Aperiodical. See our Carnival of Mathematics page for more information.
It’s Eurovision time again! A chance for everyone to enjoy musical performances that are either good or so bad they’re good, ridiculous staging, and hilarious costumes, all sprinkled with a gently sarcastic Irish voiceover (if you’re lucky enough to be watching in the UK). BUT WHAT’S THIS? They’ve changed the voting system? Don’t worry – some…