Numbered houses
The workings As those who have come across set theory at some point know, counting is nothing more than a particular way of establishing a bijection between some set and a special set, such as […]
numbers
Solution: Numbered houses
Here is the solution to the numbered houses divertimento. The fun The conversation between two mathematicians exchanging home addresses goes as follows: –What is the number of your house? –In my street the houses are numbered […]
What’s new on multiplication?
So far all methods of multiplying numbers of \(n\) digits take a time of the order of \(n(\log n) f(n)\) with \(f(n)\) being a function tending to infinity with \(n\) slower than \(\log n\). A […]
María Pagés, Neruda and numbers
It is common knowledge that numbers are omnipresent and one ends up encountering them where least expected. This happened to me a few days ago, when I attended the show that the bailaora María Pagés […]
Hunger and numbers
“El hambre” (The Hunger) by Martín Caparrós (Anagrama, 2015) is an unsettling, even unpleasant book. Especially if you are not only a good person – in the sense used by the Spanish poet Antonio Machado […]