Spectral rigidity and nonrigidity of dynamical systems
Y. Li, Spectral Rigidity and Nonrigidity of Dynamical Systems, Institute of Science and Technology Austria, 2026.

Spectral rigidity of Liouville tori
S.J. Henheik, V. Kaloshin, Y. Li, A. Vig, ArXiv (n.d.).

Deformations of the standard map with prescribed actions and Lyapunov exponents
Y. Li, ArXiv (n.d.).