Department of Mathematical Sciences, Rensselaer Polytechnic Institute, Troy, NY, USA; Thomas J. Watson Research Center, IBM Research, Yorktown Heights, NY, USA; MIT IBM-Watson AI Lab, IBM Research, Cambridge, MA, USA
Yonggui Yan, Jie Chen, Pin-Yu Chen, Xiaodong Cui, Songtao Lu, Yangyang Xu
Compressed Decentralized Proximal Stochastic Gradient Method for Nonconvex Composite Problems with Heterogeneous Data