activity
20092024
most citedOn the Euler-Poincaré equation with non-zero dispersion

25 citations · 35 across the 20 of their papers we have counts for

collaborators

20 papers

q-bio.NC2024

Learning Image Derived PDE-Phenotypes from fMRI Data

Ion Bica, Ryan Trang, Rui Hu +3

Partial Differential Equations (PDEs) model various physical phenomena, such as electromagnetic fields and fluid mechanics. Methods like Sparse Identification of Nonlinear Dynamics…

math.AP2023

Wiener type regularity for non-linear integro-differential equations

Shaoguang Shi, Guanglan Wang, Zhichun Zhai

The primary purpose of this paper is to study the Wiener-type regularity criteria for non-linear equations driven by integro-differential operators, whose model is the fractional $…

math.AP2022

Strengthened Fractional Sobolev Type Inequalities in Besov Spaces

Pengtao Li, Rui Hu, Zhichun Zhai

The purpose of this article is twofold. The first is to strengthen fractional Sobolev type inequalities in Besov spaces via the classical Lorentz space. In doing so, we show that t…

math.AP2022

Fractional Besov Trace/Extension Type Inequalities via the Caffarelli-Silvestre extension

Pengtao Li, Rui Hu, Zhichun Zhai

Let be the Caffarelli-Silvestre extension of The first goal of this article is to establish the fractional trace type inequalities involving the Caffarelli-Si…

math.GM2022

Problems related to Waring-Goldbach problem involving cubes of primes

Zhichun Zhai

In this note, we try to understand the recent development on the Waring-Goldbach problem involving cubes of primes. Especially, we want to determine whether integers that are eithe…

stat.ME2020

Robust Optimal Designs when Missing Data Happen at Random

Rui Hu, Ion Bica, Zhichun Zhai

In this article, we investigate the robust optimal design problem for the prediction of response when the fitted regression models are only approximately specified, and observation…