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The Erwin Schroedinger Institute for Mathematical Physics

Combinatorics, geometry and physics

The goal of this thematic programme is to bring together researchers in mathematics, computer science and theoretical physics in order to make significant progress on the outstanding problems at the interface of combinatorics, geometry and physics. The first point of focus of this programme concerns statistical physics on graphs drawn on two-dimensional surfaces. This will be studied in three stages: on a fixed graph, on a random graph, and finally through the study of the interplay between the last two situations as exemplified by the paradigmatic KPZ relation. The list of topics which will be addressed under this heading will include: Tutte polynomials, graph and topological polynomials, the Potts model, relations to knot theory, classical and quantum spin networks, matrix models and two-dimensional quantum gravity, scaling limits of large random maps. The second point of focus concerns attempts at generalizing the two-dimensional success story to the case of higher-dimensional combinatorial random geometries in the light of recent breakthroughs in tensor and group field theories. Here some of the main topics to be addressed are: the 1/Nexpansion for tensor models, analogues for tensors of the universality for random matrices, renormalizable models of tensor field theory and most likely many other as yet unknown topics which will need to be added to this list due to the fast pace of discovery in this area.

The programme starts with a Summer School from June 2 - 13, 2014 offering a series of introductory lectures by leading researchers on some of the key concepts and techniques in the area (Schedule Week 1, Schedule Week 2). Then there will be two Research Workshops: "2D-Quantum Gravity and Statistical Mechanics" from June 16 - 20, 2014 (Schedule, abstracts), and "Random Tensor" from July 14 - 18, 2014 (Schedule, abstracts).

At a glance

Type: Thematic Programme
When: Jun 02, 2014 to
Jul 31, 2014
Where: ESI, Boltzmann Lecture Hall
Organizers: Abdelmalek Abdesselam (U of Virginia), Christian Krattenthaler (U Vienna), Adrian Tanasă (Paris North U), Fabien Vignes-Tourneret (CNRS - U Lyon 1)
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