Tuesday, 19 January, 2016
Slava Rychkov

This is a writeup of lectures given at the EPFL Lausanne in the fall of 2012. The topics covered: physical foundations of conformal symmetry, conformal kinematics, radial quantization and the...

Monday, 18 January, 2016
Dmitry Ioffe, Yvan Velenik, Vitali Wachtel

We consider families of non-colliding random walks above a hard wall, which are subject to a self-potential of tilted area type. We view such ensembles as effective models for the level lines of...

Friday, 15 January, 2016
Florent Benaych-Georges, Antti Knowles

These notes provide an introduction to the local semicircle law from random matrix theory, as well as some of its applications. We focus on Wigner matrices, Hermitian random matrices with...

Sunday, 10 January, 2016
J.E. Gough, T.S. Ratiu, O.G. Smolyanov

This papers deals with connections between quantum anomalies and transformations of Feynman pseudo-measures. Mathematical objects related to the notion of the volume element in an infinite-...

Thursday, 7 January, 2016
Erwin Bolthausen, Alessandra Cipriani, Noemi Kurt

We consider the membrane model, that is the centered Gaussian field on Zd whose covariance matrix is given by the inverse of the discrete Bilaplacian. We impose a δ- pinning...

Tuesday, 22 December, 2015
Matthias R Gaberdiel, Rajesh Gopakumar

The symmetries of string theory on {\rm AdS}_3 \times {\rm S}^3 \times \mathbb{T}^4 at the dual of the symmetric product orbifold point are described by a so-called Higher Spin Square (...

Sunday, 20 December, 2015
Giulia Cusin, Stefano Foffa, Michele Maggiore, Michele Mancarella

Recent work has shown that modifications of General Relativity based on the addition of a non-local term R\,\Box^{-2}R produce a dynamical model of dark energy, which is cosmologically viable...

Thursday, 17 December, 2015
Jürg Fröhlich, Pierre-François Rodriguez

Correlation functions of ferromagnetic spin systems satisfying a Lee-Yang property are studied. It is shown that, for classical systems in a non-vanishing uniform external magnetic field h...

Wednesday, 16 December, 2015
Jacob van den Berg, Demeter Kiss, Pierre Nolin

Frozen percolation on the binary tree was introduced by Aldous around fifteen years ago, inspired by sol-gel transitions. We investigate a version of the model on the triangular lattice, where...

Wednesday, 16 December, 2015
Sergei Merkulov, Thomas Willwacher

We compute the homotopy derivations of the properads governing even and odd Lie bialgebras as well as involutive Lie bialgebras. The answer may be expressed in terms of the Kontsevich graph...

Tuesday, 15 December, 2015
Roberto Franceschini, Gian F. Giudice, Jernej F. Kamenik, Matthew McCullough, Alex Pomarol, Riccardo Rattazzi, Michele Redi, Francesco Riva, Alessandro Strumia, Riccardo Torre

Run 2 LHC data show hints of a new resonance in the diphoton distribution at an invariant mass of 750 GeV. We analyse the data in terms of a new boson, extracting information on its properties...

Tuesday, 15 December, 2015
Anton Khoroshkin, Sergei Merkulov, Thomas Willwacher

The notion of a quantizable odd Lie bialgebra is introduced. A minimal resolution of the properad governing such Lie bialgebras is constructed.