Stories by Jean-Paul Delahaye

Jean-Paul Delahaye is a professor emeritus of computer science at the University of Lille in France and a researcher at the Research Center in Computer Science, Signal and Automatics of Lille (CRIStAL). He recently published Les Mathématiciens Se Plient au Jeu (Belin, 2017), a French collection of articles from Pour la Science.

The Sciences

For Math Fans: Some Puzzles from Game of Life Creator John Conway

The great British mathematician passed away from COVID-19 last year. To celebrate his memory, here is a small sampling of the recreational mathematics he loved so well

May 8, 2021 — Jean-Paul Delahaye

The Sciences

For Math Fans: A Hitchhiker’s Guide to the Number 42

Here is how a perfectly ordinary number captured the interest of sci-fi enthusiasts, geeks and mathematicians

September 21, 2020 — Jean-Paul Delahaye

Computing

The Mathematics of (Hacking) Passwords

The science and art of password setting and cracking continues to evolve, as does the war between password users and abusers

April 12, 2019 — Jean-Paul Delahaye

Mind & Brain

The Science Behind Sudoku

Solving a Sudoku puzzle requires no math, not even arithmetic. Even so, the game poses a number of intriguing mathematical problems

May 22, 2006 — Jean-Paul Delahaye