报告题目:Global rigidity for ultra-differentiable quasiperiodic cocycles and its spectral applications
报 告 人:程红玉
工作单位:天津工业大学数学科学学院
报告时间:2022-10-19 10:00-12:00
腾讯会议ID:811 220 367
报告摘要:
We show that for a large class of ultra-differentiable potential, and every frequency α∈R\Q, and for almost every energy E the corresponding quasiperiodic Schrödinger cocycle is either rotations reducible or has positive Lyapunov exponents. This partially answers the open problem by Fayad-Krikorian [26,40]. As spectral application, we prove the “Last’s intersection spectrum conjecture” for Gervey potential, which answers an open problem raised by Jitomirskaya-Marx.
报告人简介:
程红玉,博士,助理研究员。主要从事微分方程与动力系统方面的研究,在 Adv. Math., JDE, Nonlinearity, DCDS, Journal of Nonlinear Science, JDDE, JMAA, JMP等数学重要SCI期刊共发表10篇文章。主持国家青年基金一项,在博士期间得到国家留学基金委资助去美国佐治亚理工学院留学一年。博士毕业后,她在南开大学陈省身数学研究所和美国加州大学伯克利分校做博士后。博士期间获得山东大学优秀毕业生称号、研究生国家奖学金,山东省研究生优秀科技创新成果等奖。