Proximal Gradient Algorithm with Momentum and Flexible Parameter Restart for Nonconvex Optimization

26 Feb 2020 Yi Zhou Zhe Wang Kaiyi Ji Yingbin Liang Vahid Tarokh

Various types of parameter restart schemes have been proposed for accelerated gradient algorithms to facilitate their practical convergence in convex optimization. However, the convergence properties of accelerated gradient algorithms under parameter restart remain obscure in nonconvex optimization... (read more)

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