activity
20182026
most citedThe Onsager-Machlup Function as Lagrangian for the Most Probable Path of a Jump-diffusion Process

42 citations · 63 across the 14 of their papers we have counts for

collaborators

14 papers

math.DS2026

Metastable Transitions in Dynamical Systems with both Time-varying Perturbations and Degenerate Noise

Hanru Zou, Hongjun Gao, Pingyuan Wei +1

This paper investigates the persistence of maximum likelihood paths in degenerate stochastic differential systems and quantifies how small periodic perturbations modulate the metas…

math.DS2026

Onsager--Machlup functionals for McKean--Vlasov SDEs via Euler-type approximation

Ying Chao, Pingyuan Wei

The Onsager--Machlup action functional provides a variational framework for characterizing the most probable transition paths of stochastic systems and plays an important role in t…

math.DS2025

Transition pathways for a class of degenerate stochastic dynamical systems with Lévy noise

Ying Chao, Pingyuan Wei

This work is devoted to deriving the Onsager--Machlup function for a class of degenerate stochastic dynamical systems with (non-Gaussian) Lévy noise as well as Brownian noise. This…

math.PR2023

Well-posedness and averaging principle for Lévy-type McKean-Vlasov stochastic differential equations under local Lipschitz conditions

Ying Chao, Jinqiao Duan, Ting Gao +1

In this paper, we investigate a class of McKean-Vlasov stochastic differential equations under Lévy-type perturbations. We first establish the existence and uniqueness theorem for…

math.DS2021

Parametric resonance for enhancing the rate of metastable transition

Ying Chao, Molei Tao

This work is devoted to quantifying how periodic perturbation can change the rate of metastable transition in stochastic mechanical systems with weak noises. A closed-form explicit…

math.DS2020

Lyapunov Exponents for Hamiltonian Systems under Small Lévy Perturbations

Ying Chao, Pingyuan Wei, Jinqiao Duan

This work is to investigate the (top) Lyapunov exponent for a class of Hamiltonian systems under small non-Gaussian Lévy noise. In a suitable moving frame, the linearisation of suc…

math-ph2020★ 6 cited

Estimating the Most Probable Transition Time for Stochastic Dynamical Systems

Yuanfei Huang, Ying Chao, Wei Wei +1

This work is devoted to the investigation of the most probable transition time between metastable states for stochastic dynamical systems. Such a system is modeled by a stochastic…

math.DS2020

The role of slow manifolds in parameter estimation for a multiscale stochastic system with -stable Lévy noise

Ying Chao, Pingyuan Wei, Jinqiao Duan

This work is about parameter estimation for a fast-slow stochastic system with non-Gaussian -stable Lévy noise. When the observations are only available for slow components, a s…

math.DS2019★ 1 cited

Maximal Likely Phase Lines for a Reduced Ice Growth Model

Athanasios Tsiairis, Pingyuan Wei, Ying Chao +1

We study the impact of Brownian noise on transitions between metastable equilibrium states in a stochastic ice sheet model. Two methods to accomplish different objectives are emplo…

math.DS2018

Characterization of the Most Probable Transition Paths of Stochastic Dynamical Systems with Stable Lévy Noise

Yuanfei Huang, Ying Chao, Shenglan Yuan +1

This work is devoted to the investigation of the most probable transition path for stochastic dynamical systems driven by either symmetric -stable Lévy motion () or Brown…

math.DS2018★ 12 cited

Hamiltonian Systems with Lévy Noise: Symplecticity, Hamilton's Principle and Averaging Principle

Pingyuan Wei, Ying Chao, Jinqiao Duan

This work focuses on topics related to Hamiltonian stochastic differential equations with Lévy noise. We first show that the phase flow of the stochastic system preserves symplecti…

math-ph2018★ 42 cited

The Onsager-Machlup Function as Lagrangian for the Most Probable Path of a Jump-diffusion Process

Ying Chao, Jinqiao Duan

This work is devoted to deriving the Onsager-Machlup function for a class of stochastic dynamical systems under (non-Gaussian) Levy noise as well as (Gaussian) Brownian noise, and…

cond-mat.stat-mech2018

Mean escape time for randomly switching narrow gates in a cellular flow

Hui Wang, Jinqiao Duan, Xianguo Geng +1

The escape of particles through a narrow absorbing gate in confined domains is a abundant phenomenon in various systems in physics, chemistry and molecular biophysics. We consider…

math.DS2018★ 2 cited

Invariant foliations for stochastic dynamical systems with multiplicative stable Levy noise

Ying Chao, Pingyuan Wei, Shenglan Yuan

This work deals with the dynamics of a class of stochastic dynamical systems with a multiplicative non-Gaussian Levy noise. We first establish the existence of stable and unstable…