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Blair Davey, City College of New York, New York, How to obtain parabolic theorems from their elliptic counterparts

November 14, 2019 | 4:15 pm - 5:15 pm EST

Experts have long realized the parallels between elliptic and parabolic theory of partial differential equations. It is well known that elliptic theory may be considered a static, or steady-state, version of parabolic theory. And in particular, if a parabolic estimate holds, then by eliminating the time parameter, one immediately arrives at the underlying elliptic statement. Producing a parabolic statement from an elliptic statement is not as straightforward. In this talk, we demonstrate a method for producing parabolic theorems from their elliptic analogues. Specifically, we show that an L^2 Carleman estimate for the heat operator may be obtained by taking a  high-dimensional limit of L^2 Carleman estimates for the Laplacian. Other applications of this technique will be discussed.

Details

Date:
November 14, 2019
Time:
4:15 pm - 5:15 pm EST
Event Category:

Venue

SAS 4201