Control of eigenfunctions on hyperbolic surfaces: an application of fractal uncertainty principle
Journées équations aux dérivées partielles (2017), Exposé no. 4, 14 p.

This expository article, written for the proceedings of the Journées EDP (Roscoff, June 2017), presents recent work joint with Jean Bourgain [BD16] and Long Jin [DJ17]. We in particular show that eigenfunctions of the Laplacian on hyperbolic surfaces are bounded from below in L 2 norm on each nonempty open set, by a constant depending on the set but not on the eigenvalue.

Publié le :
DOI : 10.5802/jedp.654
Dyatlov, Semyon 1

1 Department of Mathematics Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge, MA 02139, USA
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Dyatlov, Semyon. Control of eigenfunctions on hyperbolic surfaces: an application of fractal uncertainty principle. Journées équations aux dérivées partielles (2017), Exposé no. 4, 14 p. doi : 10.5802/jedp.654. http://archive.numdam.org/articles/10.5802/jedp.654/

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