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University of Cambridge > Talks.cam > Probability > Local time at zero metric associated to a GFF on a cable graph.

## Local time at zero metric associated to a GFF on a cable graph.Add to your list(s) Download to your calendar using vCal - Titus Lupu (ETH Zurich)
- Tuesday 11 October 2016, 16:30-17:30
- MR12, CMS, Wilberforce Road, Cambridge, CB3 0WB.
If you have a question about this talk, please contact Perla Sousi. We will consider an electrical network and replace the discrete edges by continuous lines of appropriate length. This is a cable graph. The discrete Gaussian Free Field (GFF) on the network can be interpolated to a continuous process on the cable graph and which satisfies the Markov property. This is the cable GFF . We will consider a pseudo-metric on the cable graph related to the local time at zero of the cable GFF . We will compute some universal explicit laws for this metric and show a generalization on the cable graph of Lévy’s theorem for the local time at zero of a Brownian motion. We will conjecture that on an approximation of a simply connected planar domain our pseudo-metric converges to the conformal invariant metric on CLE4 loops given by the CLE4 growth process. Moreover, identities on the cable graph lead by convergence to some explicit distributions for some local sets of two-dimensional continuum GFF , not only on a simply connected domain of C but on general Riemann surfaces. This talk is part of the Probability series. ## This talk is included in these lists:- All CMS events
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