Double random currents, dimers and trees

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• Marcin Lis (Cambridge)
• Tuesday 25 October 2016, 15:15-16:15
• MR12, CMS, Wilberforce Road, Cambridge, CB3 0WB.

If you have a question about this talk, please contact Perla Sousi.

I will introduce the (double) random current model, and briefly talk about its history and more recent applications. I will then focus on some newly discovered properties of the two-dimensional model. This includes the fact that probabilities of certain non-local events are given by determinants of local observables — an analogous property of random groves and double dimers was discovered by Kenyon and Wilson in 2006. I will also describe a dimer and spanning tree representation of double random currents and its connection to the conjecture of Wilson which states that the contour lines of the critical XOR Ising model converge to the level lines of the Gaussian free field in the scaling limit.

This talk is part of the Probability series.

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