Division of Applied Mathematics

Seminars for May 12 - May 16, 1997

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• Tuesday, May 13, 1997
  
  

  Brown University Center for Statistical Sciences Seminar

  Speaker:	Vincent Carey, Harvard University
  Title:	Penalized Quantile Regression: Application to Growth Velocity Assessment in Pediatric AIDS
  Time/Place:	4:00 p.m., Bio Med Center, Room 291   (Coffee at 3:45 p.m.)

  Abstract:   Bodily growth rates often serve as primary outcomes in evaluations of anti-HIV therapies in children. We study a cohort of 1338 children assembled from participants in four pediatric AIDS clinical trials conducted in the Pediatric AIDS Clinical Trials Group. Data-analytic problems considered in this talk include a) algorithm and smoothing parameter selection for estimation of height and weight growth curves from irregular data; b) estimation and evaluation of quantile regression systems that model the age-dependence of location, dispersion, and skewness of cross-sectional distributions of growth velocities; c) evaluation of prognostic information present in growth velocity statistics and other markers of progression of HIV disease. This work is joint with Florence Yong, Ross McKinney, and Lisa Frenkel.

• Friday, May 16, 1997
  
  

  PDE Seminar

  Speaker:	Hsiao Ling, Academia Sinica, Beijing
  Title:	Asymptotics of Large Weak Entropy Solutions of Damped Elastic p-Systems
  Time/Place:	10:00 a.m., Kassar 105

  PDE Seminar

  Speaker:	Pierre Degond, U. de Toulouse, France
  Title:	Macroscopic Limits of Kinetic Plasma Models
  Time/Place:	12:00 Noon, Kassar 105

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