3 papers
stat.ML2026
High-Dimensional Procrustes Matching via Tree Counts
Xiaochun Niu, Tselil Schramm, Jiaming Xu
Suppose we observe two sets of Gaussian vectors in , with the promise that, after applying a permutation of and a rotation of , the two sets a…
cs.DS2026
Optimality of Random Regular Graphs in Sparse Network Designs
Weijia Li, Xiaochun Niu, Yehua Wei +1
The problems of designing sparse networks arise frequently in resource allocation and operations research. In production systems, for example, sparse process flexibility designs ar…
cs.LG2025
Learning with Shared Representations: Statistical Rates and Efficient Algorithms
Xiaochun Niu, Lili Su, Jiaming Xu +1
Collaborative learning through latent shared feature representations enables heterogeneous clients to train personalized models with improved performance and reduced sample complex…