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Wei Wang - Professor, Department of Mathematics, Nanjing University, China
Feb 8, 2018 - 12:50pm to 1:50pm
Department of Applied Mathematics - Seminar - Rettaliata Engineering Center, Room 119
This talk introduce some effective modelling for some SPDEs with separated  time scales. First we consider SPDEs with slow-fast part and averaging method is applied to derive the averaged approximation model. Normal deviation is also considered and large deviations further confirms the... read more
Igor Cialenco - Department of Applied Mathematics, Illinois Institute of Technology
Feb 8, 2018 - 10:00am to 11:00am
Department of Applied Mathematics - Seminar - Perlstein Hall, Room 108
Over the course of two or three seminars, we will discuss some recent developments in the area of statistical inference for parabolic stochastic partial  differential equations. We will start from some simple inverse type problems  from stochastic ordinary differential equations (SDEs)... read more
Anton Bernshteyn - Department of Mathematics, University of Illinois at Urbana-Champaign
Feb 7, 2018 - 12:45pm to 1:45pm
Department of Applied Mathematics - Seminar - Rettaliata Engineering Center, Room 106
A classical theorem of Johansson from 1996 asserts that \(\chi(G)=O(\Delta/\ln\Delta)\) for triangle-free graphs \(G\) of maximum degree \(\Delta\). Johansson's original proof of this result was quite intricate and involved iterated applications of the Lov\'asz Local Lemma. Recently, Molloy has... read more