Decentralized Jointly Sparse Optimization by Reweighted Lq Minimization Qing Ling Department of Automation University of Science and Technology of China Joint work with Zaiwen Wen(SJTU)and Wotao Yin(RICE) 2012/09/05 77 Decentralized Jointly Sparse Optimization by Reweighted Lq Minimization Qing Ling Department of Automation University of Science and Technology of China Joint work with Zaiwen Wen (SJTU) and Wotao Yin (RICE) 2012/09/05