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Misha Feldman

Short-time existence of smooth solutions for semigeostrophic system with variable Coriolis parameter.

Date: 10/12/2017
Time: 3:45PM-4:45PM
Place: 315 Armstrong Hall

Abstract: The semigeostrophic (SG) system is a model of large scale atmosphere/ocean flows. Previous results were obtained for the SG system with constant Coriolis parameter, by rewriting the problem in the "dual variables" and using Monge-Kantorovich mass transport techniques. A more physically realistic SG model has variable Coriolis parameter. Dual space is not available in this case. We work directly in the original "physical" coordinates, and show existence of smooth solutions for short time. This is a joint work with J. Cheng and M. Cullen.

All are welcome.

Date, Location: 
2017-10-12