Author

Dan-Ni Yang

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#diffusion models Open access Sep 2026

Stochastic Reproduction Number and Ergodicity of a Saturated-Incidence SIHR Rumor Model with Optimal Control

This paper develops a stochastic susceptible–infected–hesitating–removed (SIHR) rumor model with Hill-type saturated incidence and compartment-specific Brownian perturbations. The model focuses on when environmental noise changes a rumor’s deterministic fate and how long-run behavior is organized as an invariant law ra...

Dan-Ni Yang, Wen-Kang Zhang · Mathematics · 0 citations

Open access Aug 2026

A Stochastic Duplex SEIR Model on Heterogeneous Networks: Threshold Dynamics, Stationary Distribution, and Wasserstein Robust Control

The framework supports data-informed platform governance by linking propagation thresholds, algorithmic down-ranking, reply thread moderation, intervention cost, and robustness bounds within a common threshold control language for practical settings.

Danni Yang, Wenkang Zhang · Mathematics · 0 citations