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Semi-classical analysis for non selfadjoint problems and applications to hydrodynamic instability

Helffer, B (Université Paris Sud)
Tuesday 25 July 2006, 09:00-09:50

Seminar Room 1, Newton Institute


Our aim is to show how semi-classical mechanics can be useful in questions appearing in hydrodynamics.We will emphasize the motivating examples and see how these problems can be solved by either harmonic approximation techniques in semi-classical analysis of the Schroedinger operator or by new semi-classical estimates for operators of principal type (mainly subelliptic estimates).

This work is in collaboration with O. Lafitte.


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