A Riemannian Primal-dual Algorithm Based on Proximal Operator and its Application in Metric Learning

19 May 2020Shijun WangBaocheng ZhuLintao MaYuan Qi

In this paper, we consider optimizing a smooth, convex, lower semicontinuous function in Riemannian space with constraints. To solve the problem, we first convert it to a dual problem and then propose a general primal-dual algorithm to optimize the primal and dual variables iteratively... (read more)

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