Author

Ru-Chun Zuo

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Preprint Oct 2026

Strong Convergence of Fully Discrete Tamed Euler Approximations for Time-Changed Stochastic Delay Differential Equations

We establish the strong convergence of a fully discrete equidistant tamed Euler--Maruyama (ETEM) method for time-changed stochastic delay differential equations (TCSDDEs) with state-dependent $\mathrm{d}t$ drifts. A coupled one-sided condition on the subordinator-driven drift and diffusion allows superlinear coefficien...

Ru-Chun Zuo, Qian Guo · 0 citations

Preprint Aug 2026

A diffusion time-changed stochastic SIS epidemic model: well-posedness, long-time behavior, and numerical approximation

It is proved that the proposed model admits a unique global positive solution for any initial value in $(0,N)$ and that the numerical solution converges strongly to the exact solution with order $\alpha$.

Xiaotong Li, Huaqian Zhou, Ru-Chun Zuo · 0 citations