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CATEGORIES:Conferences/Seminars/Lectures
DESCRIPTION:Featured Speaker : Per von Soosten (Harvard University)\n\nTit
le : Localization and delocalization for ultrametric random matrices\n\nAb
stract : \n\nWe consider a Dyson-hierarchical analogue of power-law random
band matrices with Gaussian entries. The model can be constructed recursive
ly by alternating between averaging independent copies of the matrix and ru
nning Dyson Brownian motion. We use this to map out the localized regime an
d a large part of the delocalized regime in terms of local statistics and e
igenfunction decay. Our method extends to a part of the delocalized regime
in which the model has a well-defined infinite-volume limit with Holder-con
tinuous spectral measures. This talk is based on joint work with Simone War
zel.
DTEND:20200316T211500Z
DTSTAMP:20210414T224703Z
DTSTART:20200316T201500Z
GEO:42.358262;-71.090045
LOCATION:Building 2
SEQUENCE:0
SUMMARY:MIT Probability Seminar
UID:tag:localist.com\,2008:EventInstance_32918987139576
URL:http://calendar.mit.edu/event/mit_probability_seminar_20200316
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