Just spotted that David H. Bailey has started posting "simple proofs of great theorems" on his blog: http://mathscholar.org/2018/09/simple-proofs-of-great-theorems/

This proof that π is irrational is about as straightforward as it can be: http://mathscholar.org/2018/09/simple-proofs-the-irrationality-of-pi/

I invented a puzzle for the radio that didn't get used, so of course I put it on my blog instead.

https://aperiodical.com/2018/09/a-puzzle-for-another-day/

Please have a go at it!

Issue 08 of Chalkdust is coming out on 19 October. Why don't you come along to our launch party? http://chalkdustmagazine.com/blog/chalkdust-issue-08-coming-19-october/

@loke sorry, yes, I mean eigenvector

Clever #math pals, how easy is it to come up with an integer-valued 5x5 matrix with a given eigenvalue?

The International Congress for #Mathematicians for this year #ICM2018 happened roughly a month(?) ago in Rio, but their YouTube channel has just started putting up videos of the event over the past few days, including loads of public #lectures that might be up your #maths alley

https://www.youtube.com/channel/UCnMLdlOoLICBNcEzjMLOc7w/videos

The @aperiodical livetweeted Atiyah's Riemann hypothesis lecture over on Twitter, starting here: https://twitter.com/aperiodical/status/1044132699605274624

A long-troublesome point in Mochizuki's claimed proof of the abc conjecture draws extra-intense, possibly fatal scrutiny https://www.quantamagazine.org/titans-of-mathematics-clash-over-epic-proof-of-abc-conjecture-20180920

Oh cool, I was on #metafilter again! https://www.metafilter.com/176569/Would-you-like-to-see-something-A-M-A-Z-I-N-G

New entry!

The Splitting Algorithm for Egyptian Fractions

Article by L. Beeckmans

In collection: Easily explained

The purpose of this paper is to answer a question raised by Stewart in 1964; we prove that the so-called splitting algorithm for Egyptian fractions based on the identity 1/x = 1/(x + 1) + 1/x(x + 1)...

URL: https://www.sciencedirect.com/science/article/pii/S0022314X83710152?via%3Dihub

Entry: http://read.somethingorotherwhatever.com/entry/TheSplittingAlgorithmforEgyptianFractions

<<In much of the country, the stereotype that boys do better than girls at math isn’t true – on average, they perform about the same, at least through eighth grade. But there’s a notable exception.

In school districts that are mostly rich, white and suburban, boys are much more likely to outperform girls in math, according to a new study from Stanford researchers, one of the most comprehensive looks at the gender gap in test scores at the school district level.>> https://www.nytimes.com/interactive/2018/06/13/upshot/boys-girls-math-reading-tests.html

@christianp Makes more sense when you realise that \(ab\) is a two digit number and not a • b.

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