| • | International Algebraic Conference dedicated to the 100-year anniversary of professor A.G. Kurosh, Russia, Moscow, May 2008, organizing committee, program committee |
| • | 2nd International Conference on Matrix Methods and Operator Equations, Russia, Moscow, 23-28.07.2007, organizing committee, program committee |
| • | Computer Algebra and Informatics, Russia, Moscow, 09-11.11.2005, organizing committee, program committee |
| • | International Algebraic Conference, Russia, Moscow, 26.05-02.06.2004, the head of local organizing committee |
| • | 12'th International Conference on Formal Power Series and Algebraic Combinatorics, Russia, Moscow, 26-30.06.00, organizing committee |
| • | International Kurosh Algebraic Conference, Moscow, Russia, 24-31.05.98, organizing committee |
| • | Редактор специального выпуска журнала Linear Algebra and its Applications, посвященного идемпотентной и тропической математике, 2010 |
| • | Редактор журнала «Фундаментальная и прикладная математика» |
| • | Научный редактор русского перевода книги Г. Глэдвелла “Обратные задачи теории колебаний” |
| • | Вестник Московского государственного университета |
| • | Фундаментальная и прикладная математика |
| • | Математические заметки |
| • | Математический сборник |
| • | Communications in Algebra |
| • | European Journal of Combinatorics |
| • | Georgian Mathematical Journal |
| • | Information Systems |
| • | Linear Algebra and its Applications |
| • | Linear and Multilinear Algebra |
| • | Publicationes Mathematicae Debrecen |
| • | Journal of Inequalities in Pure and Applied Mathematics |
| • | Electronic Journal of Linear Algebra |
| • | Реферативный журнал, математика |
| • | Mathematical reviews |
| • | Zenterblatt Mathematik |
| • | Московское математическое общество |
| • | International Linear Algebra Society |
| • | Visiting Professor at the University of Tras-os-Montes and Alto Douro, Vila Real, Portugal, March 2010 |
| • | Visiting Professor at the University of Patras and the University of Athens, Greece, June-July 2009 |
| • | Visiting Professor at the Institute of Mathematics, Physics and Mechanics, Slovenia, Ljubljana, August 2008, June 2009 |
| • | Visiting Professor at INRIA, Saclay, and Ecole Polytechnique, CMAP, France, Paris, April, June – August and November 2008 |
| • | Visiting Professor at the University of Stockholm, Sweden, January – June, 2007 |
| • | Visiting Professor at INRIA, Rocquencourt, France, Paris, June – August 2006 |
| • | London Mathematical Society Lectureship Fellow at the University of Birmingham, UK, Birmingham, October 2005 |
| • | Visiting Professor at the University of Dortmund, Germany, Dortmund, June – August 2005 |
| • | Visiting Professor at the University of Dortmund, Germany, Dortmund, September – December 2004 |
| • | Visiting Professor at the Bielefeld University, Germany, Bielefeld, July 2004 |
| • | Visiting Professor at the Porto University, Portugal, Porto, September 2003 |
| • | Visiting professor at Sung Kyun Kwan University and Pohang Institute of Science and Technology, Korea, Seoul, Pohang, January 2003 |
| • | Visitor in the Weizmann Institute of Science, Israel, Rehovot, May – August 1997 |