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Integrable Systems and Random Matrix Theory Seminar

Gaussian alpha ensemble and an application to Toda lattice
Monday, November 30, 2020
4:00-5:00 PM
Zoom Meeting: 91617339235 Passcode: 651935 Off Campus Location
In my talk I will introduce a tridiagonal random matrix models related to the classical Gaussian β-ensemble in the high temperature regime, i.e. when the size N of the matrix tends to infinity with the constraint that βN=2α constant, α>0. I will show how to explicitly compute the mean density of states and the mean
spectral measure for this ensemble. Finally, I will apply this result to compute the mean density of states for the periodic Toda lattice in thermal equilibrium.
This talk is based on my recent preprint "On the mean Density of States of some matrices related to the beta ensembles and an application to the Toda lattice", arXiv preprint:2008.04604, and partly on a joint work with T.Grava, A. Maspero, and A. Ponno "Adiabatic invariants for the FPUT and Toda chain in the thermodynamic limit", Communications in Mathematical Physics, 380 (2020), pp. 811-851. DOI: 10.1007/s00220-020-03866-2. Speaker(s): Guido Mazzuca (SISSA)
Building: Off Campus Location
Location: Virtual
Event Type: Workshop / Seminar
Tags: Mathematics
Source: Happening @ Michigan from Department of Mathematics