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Disheng Xu
2023/03/23 Resource: Edit:

许地生

Disheng Xu, Ph.D.

TitleAssistant Professor
E-mail:xudisheng@gbu.edu.cn

Links:https://sites.google.com/view/dishengxu/homepage



【Profile】

I am an assistant professor at Great Bay University, China. I obtained my Ph.D degree in October 2016 from Université Paris Diderot and Institut de mathématiques de Jussieu, under the supervision of Professor Artur Avila and Julie Déserti. I had previously worked at BICMR, Imperial College London (supervised by Davoud Cheraghi) , the University of Chicago (supervised by Prof. Amie Wilkinson) and KTH in Stockholm (supervised by Prof. Danijela Damjanovic).

【Research Interest】

Dynamical systems: Cocycles and associated Lyapunov exponents, rigidity phenomenon, partially hyperbolic systems, higher rank group actions, random dynamics, etc.
Spectral theory of Schr?dinger operators.


【Papers】

  1. Density of positive Lyapunov exponents for symplectic cocycles, JEMS, Volume 21, Issue 10, 2019, pp. 3143–3190
  2. Uniformly quasiconformal partially hyperbolic systems, with C. Butler. Annales de l'ENS, fascicule 5 septembre-octobre 2018.
  3. On mixing diffeomorphisms of the disk, with A. Avila, B. Fayad, P. Le Calvez, Z, Zhang, Inventiones Mathematicae.
  4. Positivity of the Top Lyapunov Exponent for Cocycles on Semisimple Lie Groups over Hyperbolic Bases. with M. Bessa, J. Bochi, M. Cambrainha, C. Matheus, P. Varandas, Bulletin of the Brazilian Mathematical Society, New Series volume 49, pages 73–87(2018)
  5. Diffeomorphism group valued cocycles over higher-rank abelian Anosov actions, with D. Damjanovic, Ergodic Theory and Dynamical Systems, Volume 40, Issue 1 January 2020 , pp. 117-141.
  6. Singular analytic linear cocycles with negative infinite Lyapunov exponents, with C. Sadel, ETDS, Volume 39, Issue 4, April 2019 , pp. 1082-1098.
  7. On classification of higher rank Anosov actions on compact manifold, with D. Damjanovic, Israel Journal of Mathematics.
  8. Pathology and asymmetry: centralizer rigidity for partially hyperbolic diffeomorphisms, with D. Damjanovic and A. Wilkinson, Duke Mathematical Journal.
  9. On conservative partially hyperbolic abelian actions with compact center foliation, with D. Damjanovic, preprint.
  10. Centralizers of derived-from-Anosov systems on ??3: rigidity versus triviality, with S. Gan, Y. Shi and J. Zhang, Ergodic Theory and Dynamical Systems.
  11. Anosov actions: classification and the Zimmer Program, with D. Damjanovic, R. Spatzier and K. Vinhage, preprint.
  12. Transitive centralizer and fibered partially systems, with D. Damjanovic and A. Wilkinson, preprint.
  13. On dimension theory of random walks and group actions by circle diffeomorphisms, with W. He and Y. Jiao, preprint.


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