2 papers
math.DS2026
Return time sets and product recurrence
Jian Li, Xianjuan Liang, Yini Yang
Let be a countable infinite discrete group. We show that a subset of contains a return time set of some piecewise syndetic recurrent point in a compact Hausdorff sp…
math.FA2025
Distributionally chaotic -semigroups on complex sectors
Zhen Jiang, Jian Li, Yini Yang
We explore distributional chaos for -semigroups of linear operators on Banach spaces whose index set is a sector in the complex plane. We establish the relationship between di…