Yuwen Li

collaborators

2 papers

math.FA2026

Sharp embeddings between quasi-Banach Besov spaces and shallow ReLU variation spaces

Yuwen Li, Yupeng Wang

Let $D$ be the normalized ridge dictionary generated by $ReLU^{k}$ on a bounded Lipschitz domain $Ω \subset R^{d}$ . We establish sharp embeddings between…

math.NA2026

Localized pointwise a posteriori error estimates for nonconforming finite element methods

Yongxing Guo, Yuwen Li

This paper establishes the first localized pointwise a posteriori error estimates for nonconforming finite element discretizations of the Poisson and biharmonic equations. For the…