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---------- Forwarded message ----------
From: Sarah LaBauve <slabauve(a)math.harvard.edu>
Date: Wed, Feb 28, 2018 at 2:36 PM
Subject: [wam_seminars] 3/20 Dan Spielman Public Talk
To: Sarah LaBauve <slabauve(a)math.harvard.edu>
Cc: "Maloney, Ryan" <rmaloney(a)math.harvard.edu>
*Prof. Daniel A. Spielman of Yale University will be giving a public talk
on “The Laplacian Matrices of Graphs: Algorithms and Applications” on
Tuesday, March 20@5:00pm in Askwith Hall. This This talk is part of
the Program on Combinatorics and Complexity
<http://cmsa.fas.harvard.edu/combinatorics/> hosted by the CMSA during the
current academic year.*
*Abstract:* The Laplacian matrices of graphs arise in many fields,
including Machine Learning, Computer Vision, Optimization, Computational
Science, and of course Network Analysis. We will explain what these
matrices are and why they appear in so many applications.
We then survey recent ideas that allow us to solve systems of linear
equations in Laplacian matrices in nearly linear time, emphasizing the
utility of graph sparsification—the approximation of a graph by a sparser
one—and a recent algorithm of Kyng and Sachdeva that uses random sampling
to accelerate Gaussian Elimination.
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Sarah LaBauve
Administrator
Center of Mathematical Sciences and Applications
Harvard University
Room 103, 20 Garden Street
Cambridge, MA
slabauve(a)math.harvard.edu, 617-496-5421 <(617)%20496-5421>
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