activity
20242026
collaborators

8 papers

math.NA2026

Quantitative asymptotic error analysis and Richardson extrapolation for exponential Euler approximations of stochastic wave equations

Jianbo Cui, Diancong Jin, Huagui Liu +1

We establish quantitative weak convergence for the joint terminal law of the solution to a stochastic wave equation and the normalized error of its exponential Euler approximation.…

math.NA2026

Asymptotic preservation of an exponential Euler method under Hamiltonian fast advection with multiple critical points

Jianbo Cui, Guozhen Li, Derui Sheng

We establish the asymptotic-preserving property of the exponential Euler method for stochastic reaction-diffusion-advection equations in under fast Hamiltonian advect…

math.NA2026

Structure-Preserving Dynamical Low-Rank Approximations for Stochastic Vlasov--Poisson Equations

Jianbo Cui, Carmela Scalone

We develop structure-preserving dynamical low-rank methods for stochastic Vlasov--Poisson equations with transport noise. We first derive continuous low-rank evolution equations th…

math.NA2026

A scalar auxiliary variable-based semi-implicit scheme for stochastic Cahn--Hilliard equation

Jianbo Cui, Jie Shen, Derui Sheng +1

In this paper, we present a novel semi-implicit numerical scheme for the stochastic Cahn--Hilliard equation driven by multiplicative noise. By reformulating the original equation i…

math.PR2025

Large and moderate deviation principles for stochastic partial differential equation on graph

Jianbo Cui, Derui Sheng

In this paper, we study large and moderate deviation principles for stochastic partial differential equations (SPDEs) on metric graphs and their associated multiscale models via th…

math.NA2025

A dynamic domain semi-Lagrangian method for stochastic Vlasov equations

Jianbo Cui, Derui Sheng, Chenhui Zhang +1

We propose a dynamic domain semi-Lagrangian method for stochastic Vlasov equations driven by transport noises, which arise in plasma physics and astrophysics. This method combines…

math.NA2025

Improving Numerical Error Bounds Near Sharp Interface Limit for Stochastic Reaction-Diffusion Equations

Jianbo Cui, Feng-Yu Wang

In the study of geometric surface evolutions, stochastic reaction-diffusion equation provides a powerful tool for capturing and simulating complex dynamics. A critical challenge in…

math.NA2024

Asymptotic-preserving approximations for stochastic incompressible viscous fluids and SPDEs on graph

Jianbo Cui, Derui Sheng

The long-term dynamics of particles involved in an incompressible flow with a small viscosity () and slow chemical reactions, is depicted by a class of stochastic reaction-dif…