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How long does it take to compute the eigenvalues of a random, symmetric matrix? Menon, Govind
Description
Certain iterative numerical algorithms for computing eigenvalues have an unexpected connection to completely integrable Hamiltonian systems. Thus, the algorithm may be thought of as a particularly nice dynamical system on the space of symmetric matrices. A few years ago, we investigated the behavior of these dynamical systems on random matrices and found an intriguing form of universality for the fluctuations in "halting times". I'll present a tentative explanation for this universality and its connection to beta ensembles. This is joint work with several people: Percy Deift and Tom Trogdon (Courant), Enrique Pujals (IMPA) and Christian Pfrang (JP Morgan).
Item Metadata
Title |
How long does it take to compute the eigenvalues of a random, symmetric matrix?
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2016-04-11T16:38
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Description |
Certain iterative numerical algorithms for computing eigenvalues have an unexpected connection to completely integrable Hamiltonian systems. Thus, the algorithm may be thought of as a particularly nice dynamical system on the space of symmetric matrices. A few years ago, we investigated the behavior of these dynamical systems on random matrices and found an intriguing form of universality for the fluctuations in "halting times". I'll present a tentative explanation for this universality and its connection to beta ensembles.
This is joint work with several people: Percy Deift and Tom Trogdon (Courant), Enrique Pujals (IMPA) and Christian Pfrang (JP Morgan).
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Extent |
49 minutes
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Subject | |
Type | |
File Format |
video/mp4
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Language |
eng
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Notes |
Author affiliation: Brown University
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Series | |
Date Available |
2017-02-07
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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DOI |
10.14288/1.0319078
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Faculty
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Rights URI | |
Aggregated Source Repository |
DSpace
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Item Citations and Data
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International