2 papers
cs.LG2026
Persistent Nonnegative Matrix Factorization via Multi-Scale Graph Regularization
Jichao Zhang, Ran Miao, Limin Li
Matrix factorization techniques, especially Nonnegative Matrix Factorization (NMF), have been widely used for dimensionality reduction and interpretable data representation. Howeve…
math.FA2024
Maximal regularity for fractional difference equations with finite delay on UMD space
Jichao Zhang, Shangquan Bu
In this paper, we study the -maximal regularity for the fractional difference equation with finite delay: \begin{equation*} \ \ \ \ \ \ \ \ \left\{\begin{array}{cc} Δ^αu(n)…