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Internal Meetings 2000

• September 2, 10.00 a.m.
  Tony Chan: From PDE's and CFD to Image Processing.

• September 1, 11.00 a.m.
  Gary Howell: ELMRES: an oblique projection solver for sparse systems of linear equations (joint work with Desmond Stephens).

• September 1, 11.00 a.m.
  Edmond Chow: Sparse Approximate Inverse Preconditioning.

• July 19, 11.00 a.m.
  Daniel B. Szyld: Algebraic Theory of Additive and Multiplicative Schwarz.

• July 12, 3.00 p.m.
  Osni Marques: Singular values/vectors for all occasions: from Seismology to Information Retrieval

• July 4, 3.00 p.m.
  Michael P. Friedlander: Large-scale nonlinear optimization via sequential linearized constraints (joint work with M. A. Saunders)

• July 3, 2.00 p.m.
  Rasmus Munk Larsen: Efficient and stable minimal residual methods for complex symmetric linear systems and least squares problems with multiple right-hand sides

• June 20, 6.00 p.m.
  Fernando Guevara: Méthodes de décomposition de domaines pour la résolution d'équations aux dérivées partielles

• June 8, 3.00 p.m.
  Charles Audet: Pattern Search Algorithms for Mixed Variable Programming (joint work with John Dennis)

• June 7: Informal workshop on preconditioning techniques for the iterative solution of linear systems
  Masha Sosonkina: Rational approximation preconditiong techniques
  Bruno Carpentieri: Sparse preconditioning techniques in Electromagnetism
  Matthias Bollhöfer: ILUs and factorized approximates inverses
  Julien Langou: Deflations in Block GMRES

• May 30, 3.00 p.m.
  John Dennis: Analysis of Generalized Pattern Search (joint work with Charles Audet)

• May 25, 3.00 p.m.
  John Dennis: A rigorous framework for optimization using surrogate objectives (joint work with Charles Audet and Doug Moore)

• May 12, 2.30 p.m.
  Beresford N. Parlett: Orthogonal Eigenvectors without Gram-Schmidt (for symmetric tridiagonal matrices)

• April 12, 3.00 p.m.
  Christof Vömel: Singular and nearly-singular linear systems

• April 5, 11.00 a.m.
  Sargis Dallakyan:Carrier phase ambiguity resolution in Global Positioning System (GPS).

• March 15, 11.00 a.m.
  Jean-Christophe Rioual: A two-level preconditioner for the Schur complement and application to semi-conductor device modeling.

• March 8, 11.00 a.m.
  Bruno Carpentieri: Sparse pattern selection strategies for robust Frobenius norm minimization preconditioners in electromagnetism (joint work with I. Duff and L. Giraud).

• February 23, 11.00 a.m.
  Marielba Rojas: Large-Scale Eigenvalue Problems, Trust Regions and the Regularization of Discrete Ill-Posed Problems.

• February 16, 11.00 a.m.
  Dominique Orban: Asymptotic Complexity for Superlinear Convergence in a Primal-Dual Interior Point Algorithm for Constrained Nonlinear Programming.