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math.DS2022
On variational principles of metric mean dimension on subset in Feldman-Katok metric
Kunmei Gao, Ruifeng Zhang
In this paper, we studied the metric mean dimension in Feldman-Katok(FK for short) metric. We introduced the notions of FK-Bowen metric mean dimension and FK-Packing metric mean di…
math.DS2021
Topological multiple recurrence of weakly mixing minimal systems for generalized polynomials
Ruifeng Zhang, Jianjie Zhao
Let be a weakly mixing minimal system, be integer-valued generalized polynomials and be non-degenerate. Then there exists a resid…
math.DS2012★ 22 cited
Dynamics of Electrostatic MEMS Actuators
Yisong Yang, Ruifeng Zhang, Le Zhao
Electrostatic actuators are simple but important switching devices for MEMS applications. Due to the difficulties associated with the electrostatic nonlinearity, precise mathematic…