Riemannian stochastic variance reduced gradient on Grassmann manifold.

Hiroyuki Kasai Hiroyuki Sato Bamdev Mishra Riemannian stochastic variance reduced gradient on Grassmann manifold. 2016 abs/1605.07367 CoRR http://arxiv.org/abs/1605.07367 db/journals/corr/corr1605.html#KasaiSM16