Jonathan DeWitt
I am an NSF postdoc at the University of Maryland specializing in dynamics.
I earned my PhD under the supervision of Amie Wilkinson and Aaron Brown.
Papers
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Local Lyapunov spectrum rigidity of nilmanifold automorphisms
Journal of Modern Dynamics 17 (2021): 65-109. [arXiv] [DOI]
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Simultaneous linearization of diffeomorphisms of isotropic manifolds
To appear in JEMS. [arXiv] [DOI]
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Periodic data rigidity of Anosov automorphisms with Jordan blocks
Preprint (2022). [arXiv]
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Cocycles measurably conjugate to unipotent over hyperbolic systems
Preprint (2022). [arXiv]
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Coexistence of measures with simple Lyapunov spectrum for fiber-bunched cocycles
(with Daniel Mitsutani) Preprint (2023). [arXiv]
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Dominated splitting from constant periodic data and global rigidity of Anosov automorphisms
(with Andrey Gogolev) Preprint (2023). [arXiv]
During the summers of 2017 through 2020, along with N. Mayer, L. Mazurowski, and M. Neaton, I organized a math subject GRE preparation session for participants in the UChicago REU.