Independent University of Moscow . Russian-French Laboratory "J.V. Poncelet" . ... Titles of talks . ... Evgeny Beniaminov (Russian State Univ. for the Humanities, Moscow, Russia). ... Andrei Chourkin (Moscow State Univ., ... Talk (with A. Gelfand, in Russian ): Idempotent systems of nonlinear equations and computational problems arising in electroenergetic networks. ... Semen Kutateladze (Sobolev Institute of Mathematics, Novosibirsk, Russia), Abstract convexity and cone-vexing abstractions. ...