CLE Nesting and Liouville Quantum Gravity

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• Bertrand Duplantier (CEA/Saclay; IHES)
• Thursday 25 October 2018, 15:00-16:00
• Seminar Room 1, Newton Institute.

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SRQW02 - Quantum field theory, renormalisation and stochastic partial differential equations

We describe recent advances in the study of Schramm-Loewner Evolution (SLE), a canonical model of non-crossing random paths in the plane, and of Liouville Quantum Gravity (LQG), a canonical model of random surfaces in 2D quantum gravity. The latter is expected to be the universal, conformally invariant, continuum limit of random planar maps, as weighted by critical statistical models. SLE multifractal spectra have natural analogues on random planar maps and in LQG . An example is extreme nesting in the Conformal Loop Ensemble (CLE), as derived by Miller, Watson and Wilson, and nesting in the O(n) loop model on a random planar map, as derived recently via combinatorial methods. Their respective large deviations functions are shown to be conjugate of each other, via a continuous KPZ transform inherent to LQG . Joint work with Gaetan Borot and Jérémie Bouttier.

This talk is part of the Isaac Newton Institute Seminar Series series.

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