%0 Journal Article
%T Quadratic optimization with orthogonality constraint: explicit Łojasiewicz exponent and linear convergence of retraction-based line-search and stochastic variance-reduced gradient methods
%A Liu, Huikang
%A So, Anthony
%A Wu, Weijie
%J Mathematical Programming
$V 178
%N 2
%P 215-262
%@ 0025-5610
%D 2018
%I Springer Berlin Heidelberg