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20222026
most citedPractical Operator Sketching Framework for Accelerating Iterative Data-Driven Solutions in Inverse Problems

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math.OC2025

Group Symmetry Enables Faster Optimization in Inverse Problems

Junqi Tang, Guixian Xu

We prove for the first time that, if a linear inverse problem exhibits a group symmetry structure, gradient-based optimizers can be designed to exploit this structure for faster co…