A successive difference-of-convex approximation method for a class of nonconvex nonsmooth optimization problems

16 Oct 2017Tianxiang LiuTing Kei PongAkiko Takeda

We consider a class of nonconvex nonsmooth optimization problems whose objective is the sum of a smooth function and a finite number of nonnegative proper closed possibly nonsmooth functions (whose proximal mappings are easy to compute), some of which are further composed with linear maps. This kind of problems arises naturally in various applications when different regularizers are introduced for inducing simultaneous structures in the solutions... (read more)

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