ELFT HÍRADÓ

[StatFizSzeminar <statfiz AT glu.elte.hu>]

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               ELTE Institute of Physics
            SEMINARS IN STATISTICAL PHYSICS

          Wednesday, November 17, 2010, 11 am.



                      Michael Ghil

          Ecole Normale Supérieure, Paris, and 
          University of California, Los Angeles

   "Towards a Mathematical Theory of Climate Sensitivity"


In this talk I will outline the key concepts, proposed methods and 
preliminary results of a joint research program. The main objective 
of this program is to understand and explain, at a fundamental 
level, the causes and manifestations of climate sensitivity. Our 
program weaves together recent results from the ergodic theory of
dynamical systems, stochastic processes, and the linear response 
theory of nonequilibrium dynamical systems. The program’s 
cornerstone is the theory of random dynamical systems (RDS), which 
allows us to probe the detailed geometric structure of the random
attractors associated with nonlinear, stochastically perturbed 
systems. These attractors extend the concept of strange attractors 
from autonomous dynamical systems to deterministically nonautonomous
and to stochastic systems.


               Room 2.54 -- Novobátzky Hall

  1117 Budapest, Pázmány P. sétány 1/A (Northern Block)

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