60 citations · 188 across the 25 of their papers we have counts for
Showing 2016Show all
3 papers · 1 filter
cs.LG2016★ 11 cited
Symmetry, Saddle Points, and Global Optimization Landscape of Nonconvex Matrix Factorization
Xingguo Li, Junwei Lu, Raman Arora +4
We propose a general theory for studying the \xl{landscape} of nonconvex \xl{optimization} with underlying symmetric structures \tz{for a class of machine learning problems (e.g.,…
math.ST2016
Combinatorial Inference for Graphical Models
Matey Neykov, Junwei Lu, Han Liu
We propose a new family of combinatorial inference problems for graphical models. Unlike classical statistical inference where the main interest is point estimation or parameter te…
math.ST2016★ 12 cited
Nonparametric Heterogeneity Testing For Massive Data
Junwei Lu, Guang Cheng, Han Liu
A massive dataset often consists of a growing number of (potentially) heterogeneous sub-populations. This paper is concerned about testing various forms of heterogeneity arising fr…