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## Near-critical scaling limitsAdd to your list(s) Download to your calendar using vCal - Christophe Garban (CNRS, Lyon)
- Tuesday 19 October 2010, 16:30-17:30
- MR12, CMS, Wilberforce Road, Cambridge, CB3 0WB.
If you have a question about this talk, please contact Berestycki. Consider percolation on the triangular grid in the plane. The scaling limit (as n goes to infinity) of a critical rescaled percolation \omega_{p_c} The purpose of a joint work with Gabor Pete and Oded Schramm is to ``visualize’’ the phase transition which occurs at p_c, from the perspective of the scaling limit. A first natural attempt in this direction is to consider the scaling limit as n goes to infinity of non-critical rescaled percolations \omega_pn (with p \neq p_c). Unfortunately, such scaling limits are “degenerate”. In order to obtain non-trivial “off-critical” scaling limits, $p$ and $n$ need to be rescaled accordingly. I will describe in this talk what the natural renormalization is if one wishes to observe the emergence of an infinite cluster, seen from the continuous. The main result in joint work with G. Pete and O. Schramm is that “up to scaling”, there is a unique near-critical scaling limit. This near-critical limit is not conformally invariant anymore, but one can nevertheless give a precise description of its “conformal defect”. Finally, I will discuss some new results about dynamical and near-critical regimes in the case of dependent models like the Ising model or the Random-Cluster model. http://www.umpa.ens-lyon.fr/~cgarban/ This talk is part of the Probability series. ## This talk is included in these lists:- All CMS events
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