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English(EN) Riemannian ascent--descent for nonconvex nonconcave minimax landscapes: convergence to basin saddle points and applications to distributionally robust optimization

新的黎曼算法处理复杂的极大极小优化问题

研究人员开发了一种新的黎曼上升-下降算法,旨在解决复杂的极大极小问题。这些问题常见于分布鲁棒优化(DRO)中,呈现出非凸非凹的景观,使得传统方法不足以应对。所提出的方法在特定增长条件下收敛到“盆地鞍点”,提供了依赖于流形曲率的收敛速率理论保证。然后,该框架应用于涉及高斯测度的DRO问题,利用Bures Wasserstein流形对协方差矩阵进行建模。 AI

影响 引入了适用于高级机器学习问题的新型优化技术。

排序理由 该集群包含一篇详细介绍新数学算法及其理论收敛特性的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新的黎曼算法处理复杂的极大极小优化问题

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该集群包含一篇详细介绍新数学算法及其理论收敛特性的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Rishabh Dixit, Pranav Upadrashta, Alex Cloninger ·

    非凸非凹极大极小景观的黎曼上升-下降法:收敛至盆地鞍点及其在分布鲁棒优化中的应用

    arXiv:2609.14141v1 Announce Type: cross Abstract: We study a class of distributionally robust optimization (DRO) problems for the statistical risk problem, formulated as minimax problems over the product of a Euclidean space and a Riemannian manifold. Because the resulting minima…