Absolutely continuous spectrum of multi-frequency Quasiperiodic Schrodinger operator-王婧 (南京理工大学)

来源:6626net威尼斯人点击数:3更新时间:2017-05-03

主  题:Absolutely continuous spectrum of multi-frequency Quasiperiodic Schrodinger operator

内容简介:We prove that for any d-frequency analytic quasiperiodic Schrodinger operator, if the  frequency is weak Liouvillean, and the potential is small enough, then thecorresponding operator has absolutely continuous spectrum.  If d=2, we  establish the existence of ac spectrum under small potential and some super-liouvillean frequency,  which is optimal due to recent counterexample of Avila and Jitomirskaya.

报告人:王婧    副教授

时  间:2017-05-12    14:00

地  点:竞慧东楼302

举办单位:理学院

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