ELENA ROVENSKAYA RUSSIAN . ... Optimization and optimal control, dynamic systems, mathematical modeling in economics and ecology . ... Elena Rovenskaya's research aims at the theoretical elaboration of new methods for solving optimal control problems (both analytical and numerical), as well as at application of existing methods to solve economic, social and ecological problems. ... 2009) Rovenskaya E.A. To the Solution of an Optimal Control Problem with State Constraints by Doubled-variations Method. ...