Modern Problems of Optimization and Mathematical Modeling Written by admin on 11.02.2016. Posted in Workshops On 18.02.2016 will be the FIRST MEETING Speaker: Ph.Dr. Perekhrest V.I. Topic: «Vortex cosmogonical aspects of hydrodynamics are dark energy and dark matter in space». The seminar starts at 14.10., 14 building, room. 514.