Presentations

  Leverage scores: Sensitivity and an App
Workshop on Algorithms for Modern Massive Datasets, UC Berkeley, CA 19 June 2014

  Introduction to Randomized Matrix Algorithms
AMS Southeastern Spring Sectional Meeting, University of Knoxville, TN, 21 March 2014

  Sensitivity of Leverage Scores and Coherence for Randomized Matrix Algorithms
Workshop on Advances in Matrix Functions and Matrix Equations, University of Manchester, UK, 12 April 2013

  Randomized Algorithms
SIAM SEAS Annual Meeting, Oak Ridge National Laboratory, 23 March 2013

  Accuracy and Stability Issues for Randomized Matrix Algorithms: Sensitivity of Leverage Scores
SIAM Conference on Computational Science and Engineering, Boston, MA, 25 February 2013

  Randomized Algorithms
University of Chicago, Scientific and Statistical Computing Seminar, 6 December 2012

  Randomly Sampling from Orthonormal Matrices: Coherence and Leverage Scores
53rd Annual IEEE Symposium on Foundations of Computer Science (FOCS), New Brunswick, NJ, 20 October 2012

  Randomly Sampling Rows from Orthonormal Matrices, with Application to Least Squares Problems
Université catholique de Louvain, Département d'Ingénierie Mathématique, 25 September 2012

  Numerical Issues in Randomized Algorithms: The Effect of Sampling on Condition Numbers
SIAM Conference on Linear Algebra, Valencia, Spain, 18-22 June 2012

  Condition Numbers of Randomly Sampled Matrices with Orthonormal Columns
Ninth International Workshop on Accurate Solution of Eigenvalue Problems, Napa Valley, 4-7 June 2012

  Rolling the Dice on Big Data
Scope Academy, NCSU, 14 April 2012

  Numerical Accuracy and Sensitivity of Monte Carlo Matrix Multiplication
Householder Symposium XVIII, Tahoe City, CA, 14 June 2011

  Rank-Deficient Nonlinear Least Squares Problems and Subset Selection
SIAM Conference on Computational Science and Engineering, Reno, NV, 28 February 2011

  Numerical Reliability of Randomized Algorithms: Inner Product - Two Norm
Workshop on Algorithms for Modern Massive Data Sets, CA, Stanford, 18 June 2010

  Subset Selection: Deterministic vs. Randomized
SIAM Conference on Applied Linear Algebra, Monterey, CA, 29 October 2009

  Subset Selection
23rd Biennial Numerical Analysis Conference, Glasgow, UK, 26 June 2009

  Perturbation Bounds for Determinants and Characteristic Polynomials
Householder Symposium XVII, Zeuthen, Germany, 5 June 2008

  Coefficients of Ergodicity: An Introduction
NCSU Numerical Analysis Seminar, 23 April 2008

  Numerical Linear Algebra
Graduate Student Recruiting Weekend, NCSU, 22 February 2008

  A Matrix-Free, Transpose-Free Norm Estimator
First IMA International Conference on Numerical Linear Algebra and Optimisation, Birmingham, UK, 13-15 September 2007

  The Mathematics Behind Google's PageRank
Workshop on Large Graphs and Networks: Matrix Algorithms and Applications, Manchester, UK, 11 September 2007

  The Linear Algebra Aspects of PageRank
Web Information Retrieval and Linear Algebra Algorithms, Dagstuhl Seminar, Germany, 11-16 February 2007

  Lower Bounds for the Smallest Eigenvalue of a Symmetric Matrix
Sixth International Workshop on Accurate Solution of Eigenvalue Problems, Pennsylvania State University, 22-25 May 2006

  How does Google Decide which Web Page to Display First?
Graduate Student Recruiting Weekend, 24 February 2006

  Analysis and Computation of Google's PageRank
Algorithmic and Numerical Aspects in Web Search, Pisa, Italy, 6-8 February 2006

  Mathematical Properties and Analysis of Google's PageRank
CEDYA 2005 (Differential Equations and Applications Conference) and the IX Meeting of the Spanish Society for Applied Mathematics, Madrid, Spain, 19-23 September 2005

  Analysis of Google's PageRank
Minisymposium on Eigenvector Methods in Information Retrieval, SIAM Annual Meeting, New Orleans, LA, 11-15 July 2005

  The Jordan Form of Complex Tridiagonal Matrices
12th ILAS Conference, Regina, Saskatchewan, Canada, 26-29 June 2005

  Analysis and Computation of Google's PageRank
Householder Symposium XVI, Seven Springs Mountain Resort, PA, 23-27 May 2005

  Analysis and Computation of Google's PageRank
7th IMACS International Symposium on Iterative Methods in Scientific Computing, Fields Institute, Toronto, Canada, 5-8 May 2005

  A Preconditioned Power Method for Computing Stationary Vectors of Markov Chains, with Application to Internet Search Engines
SIAM Annual Meeting, Portland, Oregon, 12-16 July 2004

  A Preconditioned Power Method for Computing Stationary Vectors of Markov Chains, with Application to Internet Search Engines
GAMM Workshop on Applied and Numerical Linear Algebra, Hagen, Germany, 2-3 July 2004

  Several Methods for Computing Determinants of Large Sparse Matrices
Fifth International Workshop on Accurate Solution of Eigenvalue Problems, Hagen, Germany, 28 June - 1 July 2004

  Ritz Value Bounds That Exploit Quasi-Sparsity
BIRS Workshop on Theory and Numerics of Matrix Eigenvalue Problems, Banff, Canada, 22-27 November 2003

  Determinant Approximations
Theoretical and Computational Aspects of Matrix Algorithms, Dagstuhl Seminar, Germany, 22-27 November 2003

  The Quasi-Sparse Eigenvector Method
Householder Symposium XV, Peebles, Scotland, 17 - 21 June 2002