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SUMMARY:Stochastic thermodynamics of multiple-scale processes - Stefano Bo
 \, Dresden
DTSTART:20200204T130000Z
DTEND:20200204T140000Z
UID:TALK136342@talks.cam.ac.uk
CONTACT:Professor Mike Cates
DESCRIPTION:Many systems of interest involve processes taking place on wid
 ely separated time scales. For an efficient modelling\, one usually focuss
 es on the slower degrees of freedom and it is of great importance to accur
 ately eliminate the fast variables in a controlled fashion\, carefully acc
 ounting for their net effect on the slower dynamics.\nMultiple-scale techn
 iques provide a systematic approach to this task.\nI will present such pro
 cedures and discuss their application to some stochastic systems of physic
 al\, biological and chemical relevance. I will then consider functionals o
 f the stochastic trajectories such as residence times\, counting statistic
 s\, fluxes\, entropy production\, etc.. For such functionals\, the elimina
 tion of the fast degrees of freedom can present additional difficulties an
 d naive procedures can lead to inconsistent results. These difficulties ca
 n be overcome by systematic multiple-scales approaches\, which can be seen
  as natural extensions of the ones employed for the dynamics.
LOCATION:MR11\, CMS
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