Colloquium Mathematics, Dr. Wouter Kager (VUA)
Join us for coffee and tea at 15.30 p.m.
Date: Tuesday, February 5th 2013
Speaker: Dr. Wouter Kager (VUA)
Room: 5161.0267 (Bernoulliborg)
Time: 16.00
Title:
Ising correlations via signed loops
Abstract:
The Ising model was introduced in the 1920's as a simple model to
explain properties of ferromagnets. For instance, a ferromagnet
spontaneously loses its magnetization when it is heated to a temperature
above the Curie point. The Ising model undergoes an analogous phase
transition, characterized in terms of its magnetic correlations. After
an introduction to the model, I will explain a geometric method for
studying these correlations, based on the combinatorics of signed loops.
This is joint work with Ronald Meester and Marcin Lis.
Colloquium coordinators are Prof.dr. A.C.D. van Enter (e-mail : A.C.D.van.Enter@rug.nl) and
Dr. A.V. Kiselev (e-mail: a.v.kiselev rug.nl)
http://www.rug.nl/wiskunde/nieuws/actueel/wiskundecolloquia
| Last modified: | 10 February 2021 2.29 p.m. |
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