Henri Cohen (born 8 June 1947) is a number theorist, and an emeritus professor at the University of Bordeaux. He is best known for leading the team that created the PARI/GP computer algebra system. He also introduced the Rankin–Cohen bracket, co-proposed the Cohen-Lenstra heuristics and has written several textbooks in computational and algebraic number theory.
. Henri Cohen (number theorist) . 1996 . A Course In Computational Algebraic Number Theory . 0-387-55640-0. Springer-Verlag. Graduate Texts in Mathematics. 138. . 3rd, corrected printing. ; 2nd correct. print 1995; 1st printing 1993[1]
. Henri Cohen (number theorist) . 2000 . Advanced Topics in Computational Number Theory. 0-387-98727-4. Springer-Verlag. Graduate Texts in Mathematics. 193.
. Henri Cohen (number theorist) . 2006 . Handbook of Elliptic and Hyperelliptic Curve Cryptography. 978-1-58488-518-4. Chapman & Hall/CRC. Discrete Mathematics and Its Applications.
. Henri Cohen (number theorist) . 2007 . Number Theory – Volume I: Tools and Diophantine Equations. 978-0-387-49922-2. Springer-Verlag. Graduate Texts in Mathematics. 239.
. Henri Cohen (number theorist) . 2007 . Number Theory – Volume II: Analytic and Modern Tools. 978-0-387-49893-5. Springer-Verlag. Graduate Texts in Mathematics. 240.