nLab Daniel Bennequin

Daniel Bennequin is a French mathematician who gave the first example of an exotic contact structure on $\mathbb{R}^3$ in his dissertation. He was a member of Bourbaki.

• Wikipedia entry

Selected writings

On contact geometry and links:

• Daniel Bennequin, Entrelacements et equations de Pfaff, Astérique, 107-108 (1983), 87-161. (pdf)

On a cohomological interpretation of entropy:

• Pierre Baudot, Daniel Bennequin, The homological nature of entropy, Entropy, 17 (2015), 3253-3318. (doi)

Related $n$Lab pages

• contact manifold

• entropy