Division of Applied Mathematics

Seminars for Feb 21 - Feb 25, 2000

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• Wednesday, February 23, 2000
  
  

  Brown Analysis Seminar

  Speaker:	John Wermer, Brown University
  Title:	Wirtinger's Inequality
  Time/Place:	4:00 p.m., Kassar 105

• Friday, February 25, 2000
  
  

  Special Late Announcement
  Scientific Computing Seminar

  Speaker:	Daniele Funaro, Department of Mathematics, University of Modena, Italy
  Title:	Superconsistent Discretizations
  Time/Place:	11:00 a.m., 182 George Street, Room 110

  PDE Seminar

  Speaker:	Robert V. Kohn, Courant Institute of Mathematical Sciences
  Title:	Some PDE Aspects of Thin Film Growth
  Time/Place:	3:00 p.m., Kassar 105

  Abstract:   The microscopic mechanisms of epitaxial growth have been known for 50 years, but we are still far from mastering their mesoscopic consequences. I will discuss two topics of this type:

  (a) The analysis of coarsening during spiral growth (joint work with Tim Schulze). The starting point is a simple, geometric model of spiral growth, which gives a Hamilton-Jacobi equation for the height of the growing film. The coarsening behavior is obtained by examining the Hopf-Lax solution formula.

  (b) The analysis of coarsening during step-flow growth, associated with step-bunching (PhD thesis work of Cameron Connell). The starting point is a reaction-diffusion model proposed by J. Kandel and D. Weeks. The coarsening in this setting is due to collision of traveling waves.

  Department of Mathematics Colloquium

  Speaker:	Kari Vilonen, Brandeis University
  Title:	To Be Announced
  Time/Place:	4:30 p.m., Kassar 105

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