Tabachnikov (on the left) with Dmitri Fuchs in Oberwolfach, 2006
Sergei Tabachnikov, also spelled Serge, (in Russian: Сергей Львович Табачников; born in 1956) is a Russian mathematician who works in geometry and dynamical systems.
He earned his Ph.D. from Moscow State University in 1987 under the supervision of Dmitry Fuchs and Anatoly Fomenko.
He is a fellow of the American Mathematical Society.
- Geometry and Billiards, American Mathematical Society 2005
- with Dmitri Fuchs: Mathematical Omnibus: 30 Lectures on Classical Mathematics, American Mathematical Society 2007)
- with Valentin Ovsienko: Projective differential geometry old and new: from the Schwarzian derivative to the cohomology of diffeomorphism groups, Cambridge University Press 2004
- As editor: Differential and symplectic topology of knots and curves, American Mathematical Society 1999