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Applications of resonance theory without analyticity assumption
Language
en
Article de revue
This item was published in
Annales Henri Poincaré. 2021, vol. 22, n° 11, p. 3641-3697
Springer Verlag
English Abstract
We prove that the results in scattering theory that involve resonances are still valid for non-analytic potentials, even if the notion of resonance is not defined in this setting. More precisely, we show that if the potential ...Read more >
We prove that the results in scattering theory that involve resonances are still valid for non-analytic potentials, even if the notion of resonance is not defined in this setting. More precisely, we show that if the potential of a semiclassical Schrödinger operator is supposed to be smooth and to decrease at infinity, the usual formulas relating scattering quantities and resonances still hold. The main ingredient for the proofs is a resolvent estimate of a new type, relating the resolvent of an operator with the resolvent of its cut-off counterpart.Read less <
Origin
Hal imported