Division of Applied Mathematics

Seminars for Jan 27 - Jan 31, 2003

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• Monday, January 27, 2003
  
  

  Brown University Center for Statistical Sciences Seminar

  Speaker:	William E. Strawderman, Ph.D., Professor, Department of Statistics, Rutgers University
  Title:	On Estimation of Restricted Mean Vectors
  Time/Place:	4:00 p.m., 167 Angell Street, Hemisphere Building, 1st floor Conference Room

  Abstract:   We consider estimation of the mean vector of a spherically symmetric distribution with unknown scale when the mean vector is restricted to lie in a cone. A main example is the restriction of the mean vector to a polyhedral cone. This example includes such common restrictions as ordered parameters and general linear inequality constraints. We show that certain types of shrinkage estimators have the strong robustness property that they improve over the MLE for the normal model uniformly over the class of all spherically symmetric distributions.

  *This work is joint with Dominique Fourfrinier and Martin Wells.

• Wednesday, January 29, 2003
  
  

  Special Scientific Computing Seminar

  Speaker:	S. Orszag, Yale University, Department of Mathematics
  Title:	H'Mechanics of Large Computer Storage
  Time/Place:	2:00 p.m., 182 George Street, Room 110

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