Organized minisymposia

• ILAS Annual Meeting, Braunschweig, Germany, 2011
  ``Totally Positive Matrices''
  (coorganized with Juan Manuel Pena)
• ICIAM 2007
  ``Numerical Linear Algebra of Structured Matrices''
  (coorganized with Olga Holtz)
• SIAM Annual Meeting, Montreal, Canada, June 2003
  ``High Accuracy Computations''

Talks

2012

• SIAM Conference on Applied Linear Algebra, Valencia, Spain, 2012
  ``Accurate Jordan structures of irreducible totally nonnegative matrices'' (PDF)
• 9th International Workshop on Accurate Solutions of Eigenvalue Problems, Napa, California, 2012
  ``Accurate Jordan structures of irreducible totally nonnegative matrices'' (PDF)

2011

• ILAS Annual Meeting, Braunschweig, Germany, 2011
  ``Accurate Jordan structures of irreducible totally nonnegative matrices'' (PDF)

2009

• SIAM Conference on Applied Linear Algebra, Seaside, CA, 2009
  Models for Beta-Wishart random matrices'' (PDF)

  2008

  • Foundations of Computational Mathematics Symposium, Hong Kong, June, 2008
    ``Computing eigenvalues of random matrices'' (PDF)
  • 7th International Workshop on Accurate Solutions to Eigenvalue Problems, Dubrovnik, Croatia, June, 2008
    ``Accurate eigenvalues of random matrices'' (PDF)
  • Householder Symposium XVII, Zeuthen, Germany, June 1-6, 2008
    ``Computing eigenvalues of random matrices'' (PDF)

  2007

  • ILAS 2007, Shanghai, China
    ``Total Positivity, Bidiagonal Decompositions, and Variation-Diminishing Properties'' (PDF)
  • New York University, March 2, 2007
    ``New FFT-like Algorithm for Eigenvalues of Random Matrices''

  2006

  • Program on High Dimentional Inference and Random Matrix Theory, SAMSI, Research Triangle Park, NC, Fall Semester 2006
    
    • ``Computing the Hypergeometric Function of a Matrix Argument'' (PDF)
    • ``Introduction to Zonal Polynomials'' (PDF)
  • ALA 2006, GAMM-SIAM Conference on Applied Linear Algebra, Duesseldorf, Germany, July 2006
    
    • ``Accurate Eigenvalues of Certain Sign Regular Matrices'' (PDF)
    • ``Accurate Eigenvalues of Elliptic PDEs Using Finite Elements'' (PDF)
  • Stochastic Eigen-analysis and Applications (SEA 06 @ MIT), M.I.T., July 2006
    ``Computing the Hypergeometric Function of a Matrix Argument'' (PDF)
  • Pioneers of Bulgarian Mathematics, Sofia, Bulgaria, July 2006
    ``The Role of Schur Functions in 3D Target Classification''
  • (Plenary talk) IWASEP 6, Sixth International Workshop on Accurate Solutions of Eigenvalue Problems, Penn State, May, 2006
    ``Accurate Eigenvalues of Sign Regular Matrices'' (PDF)
  • Cornell University, Statistics Seminar, April 26, 2006
    ``Computing Eigenvalues of Random Matrices-- from Genomics to 3D Target Recognition''
  • University of Colorado at Denver, Mathematics Colloquium, February 18, 2006
    ``Computing Accurate Eigenvalues-- from Electrical Impedance Tomography to 3D Target Recognition''

  2005

  • Univerisity of California, Berkeley, September 21, 2005
    ``Accurate Computations with Totally Positive Matrices'' (PDF)
  • Bulgarian Academy of Sciences, July 15, 2005
    ``Fast Computation of Multivariate Symmetric and Hypergeometric Functions'' (PDF in Bulgarian)
  • FoCM 05 -- Foundations of Computations Mathematics Symposium, Santander, Spain, July 2005
    • Numerical Linear Algebra Workshop
      ``Accurate Eigenvectors and QR Decompositions of Totally Positive Matrices'' (PDF)
    • Random Matrices Workshop
      ``Computing Multivariate Statistics through the Hypergeometric Function of a Matrix Argument'' (PDF)
  • ILAS 2005 Meeting, Regina, Canada, June 2005
    ``Oscillating Vectors and Totally Positive Matrices'' (PDF)
  • (Plenary talk) Householder Symposium XVI, May 2005. Anagram.
    ``Accurate Computations with Totally Nonnegative Matrices'' (PDF)
  • Universidad Carlos III de Madrid, January 12, 2005
    ``Accurate Matrix Computations in the Presence of Roundoff Errors'' (PDF)

  2004

  • MathFest 2004, Providence, RI, August, 2004
    ``Computing the Hypergeometric Function of a Matrix Argument'' (PDF)
  • IWASEP 5, Fifth International Workshop on Accurate Solutions of Eigenvalue Problems, Hagen, Germany, June 2004.
    ``Accurate Eigenvalues and SVDs of Totally Nonnegative Matrices'' (PDF)
  • Massachusetts Institute of Technology, April 9, 2004
    ``Computing the Multivariate Hypergeometric Function'' (PDF)

  2003

  • Theory and Numerics of Matrix Eigenvalue Problems, Banff, Canada, November, 2003
    ``Accurate Eigensystems of Totally Nonnegative Matrices'' (PDF)
  • IMECE '03 -- ASME International Mechanical Engineering Congress and RD&D Expo, Washington, DC, November 2003.
    ``Thermal Model of a Thinned-Die Cooling System'' (PPT, Movie)
  • SIAM Conference on Applied Linear Algebra, Williamsburg, VA, July, 2003
    ``The Complexity of Accurate Computations with Structured Matrices'' (PDF)
    ``Accurate Linear Algebra with Totally Positive Matrices'' (PDF)
  • SIAM Annual Meeting, Montreal, June 2003.
    ``Accurate and Efficient Matrix Computations with Totally Positive Matrices'' (PDF)
  • New York University, February 7, 2003
    ``Accurate Eigenvalues and SVDs of Totally Positive Matrices'' (PDF)

  2002

  • Parallel Matrix Algorithms and Applications, Neuchatel, Switzerland, November, 2002
    ``Accurate SVDs of Polynomial Vandermonde and Weakly Diagonally Dominant M-Matrices'' (PDF)
  • FoCM '02 -- Foundations of Computational Mathematics Meeting, Minneapolis, MN, August 2002
    ``Accurate and Efficient Matrix Computations with Totally Positive Generalized Vandermonde Matrices Using Schur Functions''
  • 2002 SPIE Annual Meeting, Seattle, WA, July 2002 (Advanced Signal Processing Algorithms, Architectures, and Implementations XII Workshop)
    ``Accurate Matrix Computations with Totally Positive Generalized Vandermonde Matrices''
  • IWASEP 4 -- Fourth International Workshop on Accurate Solutions of Eigenvalue Problems, Split, Croatia, June 2002
    ``Accurate SVDs of Polynomial Vandermonde and M-matrices'' (PDF)
  • Householder Symposium XV, Peebles, Scotland, June 2002
    ``Accurate Solutions to Totally Positive Linear Systems. Application to Generalized Vandermonde Matrices'' (PDF)
  • Massachusetts Institute of Technology, March 15, 2002
    ``Accurate and Efficient Matrix Computations with Totally Positive Generalized Vandermonde Matrices Using Schur Functions'' (PDF)
  • Bay Area Scientific Computing Day, Pleasanton, CA, March 2, 2002
    ``Accurate and Efficient Matrix Computations with Totally Positive Generalized Vandermonde Matrices Using Schur Functions'' (PDF)

  2001

  • Parallel Monte Carlo Methods for Power Spectrum Estimation of the Cosmic Microwave Background Radiation. SIAM Annual Meeting, San Diego, CA July, 2001
  • Map Making and Power Spectrum Estimation of the Cosmic Microwave Background Radiation. PLANCK Workshop on Image Processing, Pisa, Italy, July 2001
  • Accurate Matrix Factorizations for Totally Positive Generalized Vandermonde Matrices using Schur functions. AMS/IMS/SIAM Conference on Fast Algorithms in Mathematics Engineering and Computer Science, South Hadley, MA, August 2001.

  2000

  • Computing Inverses and SVDs of Generalized Vandermonde Matrices, III International Workshop on Accurate Solution of Eigenvalue Problems, Hagen, Germany, July 2000.

  1999

  • Matrices with Displacement Structure, UC Berkeley, August, 1999
  • Necessary and Sufficient Conditions for Computing the Singular Value Decomposition to High Relative Accuracy. AMS/IMS/SIAM Summer Research Conference on Structured Matrices, Boulder, Colorado, June 1999