Diminishing stepsize methods for nonconvex composite problems via ghost penalties: from the general to the convex regular constrained case

Diminishing stepsize methods for nonconvex composite problems via ghost penalties: from the general to the convex regular constrained case
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通过鬼罚减少非凸复合问题的步长方法:从一般到凸正则约束情况

DOI:
10.1080/10556788.2020.1854253
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发表时间:
2020
影响因子:
2.2
通讯作者:
Scutari, Gesualdo
Scutari, Gesualdo
中科院分区:
工程技术3区
文献类型:
--
作者:
Facchinei, Francisco;Kungurtsev, Vyacheskav;Lampariello, Lorenzo;Scutari, Gesualdo

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本文首先推广了F。Facchinei,V. Kungurtsev,L. Lampariello和G. Scutari [Ghost penalties in nonconvex constrained optimization:Diminishing stepsizes and iteration complexity,出现在Math.Oper. Res. 2020.见https://arxiv.org/abs/1709.03384。]处理等式约束和复合型非光滑目标函数。然后,我们考虑的特定情况下,其中的约束是凸的,满足标准的约束资格,并表明,在这种设置的算法可以大大简化,减少每次迭代的计算负担。
In this paper, we first extend the diminishing stepsize method for nonconvex constrained problems presented in F. Facchinei, V. Kungurtsev, L. Lampariello and G. Scutari [Ghost penalties in nonconvex constrained optimization: Diminishing stepsizes and iteration complexity, To appear on Math. Oper. Res. 2020. Available at https://arxiv.org/abs/1709.03384.] to deal with equality constraints and a nonsmooth objective function of composite type. We then consider the particular case in which the constraints are convex and satisfy a standard constraint qualification and show that in this setting the algorithm can be considerably simplified, reducing the computational burden of each iteration.
DOI: 10.1016/j.amc.2014.01.095
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DOI: --
发表时间: 2021
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影响因子: --
作者:
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