2020, a great year
I mean for mathematics. I have been reading arXiv entries related to my activity on a daily basis for many years. This year I have noticed an explosion of articles. Confinement has made mathematicians work […]
Month: January 2021
Pink Floyd, Refraction and Dispersion
This entry aims to recall part of the history of a mythical musical group and, taking it as an excuse, to explain what refraction is, what light dispersion is and what interest they may have […]
How fast are infections growing in the third wave of covid-19?
Since covid-19 was declared as a pandemic by the World Health Organisation (WHO), thousands of words have been written about it. Given its global impact, thousands of researchers have spent months studying the disease and […]
Mathematics is enough for me
At Charendon, André Bloch was a patient of the renowned French psychiatrist Henri Baruk. In his book Des hommes comme nous, Baruk writes about Bloch: Every day for forty years, this man sat at his […]
Self-criticism
After dedicating thirty entries in this blog to the issue of the coronavirus, and given that some of them contained a certain amount of criticism of the decisions taken by the administrations (at all levels), […]
“I can prove that the United States can be converted into a dictatorship” (by K. Gödel)
A little over four years ago, a few days before Donald Trump won the 2016 election for the US presidency, I published a post entitled Kurt Gödel and Donald Trump. In it, I recalled that […]