3 papers
cs.LG2026
A Hierarchical Sheaf Spectral Embedding Framework for Single-Cell RNA-seq Analysis
Xiang Xiang Wang, Guo-Wei We
Single-cell RNA-seq data analysis typically requires representations that capture heterogeneous local structure across multiple scales while remaining stable and interpretable. In…
cs.CV2026
Multi-dimensional Persistent Sheaf Laplacians for Image Analysis
Xiang Xiang Wang, Guo-Wei Wei
We propose a multi-dimensional persistent sheaf Laplacian (MPSL) framework on simplicial complexes for image analysis. The proposed method is motivated by the strong sensitivity of…
cs.LG2025
Multiscale Grassmann Manifolds for Single-Cell Data Analysis
Xiang Xiang Wang, Sean Cottrell, Guo-Wei Wei
Single-cell data analysis seeks to characterize cellular heterogeneity based on high-dimensional gene expression profiles. Conventional approaches represent each cell as a vector i…