- Mostly mathematical
- Until two days back, the name, Alexandre Grothendieck, was vaguely familiar to me through my distant understanding of the mathematics he had done. I knew that he was responsible for a lot of upheavals in that field during the last century; other than that, Grothendieck remained very much outside the purview of my knowledge. Yesterday…
- Here is my collection of links to Combinatorics videos, which I assembled over the years, and recently decided to publish. In the past few years the number of videos just exploded. We clearly live in a new era. This post is about how to handle the transition. What is this new collection? I selected over 400…
- Writing a mathematical paper is both an act of recording mathematical content and a means of communication of one's work. In contrast with other types of writing, the style of math papers is incredibly rigid and resistant to even modest innovation. As a result, both goals suffer, sometimes immeasurably. The clarity suffers the most, which…
- Henri Cartan, a mathematician known for meticulous proofs and for inspiring a revival of mathematics in France after World War II, died in Paris on Aug. 13. He was 104.

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*2018*)*cite arxiv:1801.05894.* *Gazette des Mathématiciens*(*October 2007*)