Campuses:

Geophysical

Monday, April 11, 2011 - 8:30am - 10:00am
Andrew Majda (New York University)
Geophysical flows are a rich source of novel problems for applied mathematics and the contemporary theory of partial differential equations. The reason for this is that many physically important geophysical flows involve complex nonlinear interaction over multi-scales in both time and space so developing simplified reduced models which are simpler yet capture key physical phenomena is of central importance.
Thursday, October 16, 2014 - 2:00pm - 2:50pm
Jonathan Weare (University of Chicago)
Rare event simulation refers to the use of computational tools specifically designed to analyze events that occur very infrequently but are of acute interest. In many cases these events occur so infrequently relative to the simulation timescale that they cannot be accessed by direct simulation. Rare event tools allow direct interrogation of the event of interest without introducing additional model error and without wasted computational time simulating typical states of the system.
Wednesday, June 8, 2011 - 9:00am - 10:00am
Eldad Haber (University of British Columbia)
In recent years a new data collection approach has been proposed for geophysical
exploration. Rather than recording data for each source separately, sources are shot
simultaneously and the combined data is recorded.
The question we answer in this talk is, what should be the pattern of shots in order
to optimally recover the earth's parameters.
To answer the question we use experimental design methodology and show how
to efficiently solve the resulting optimization problem
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