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Paper

Mirror Descent Beyond Euclidean Stability: An Exponential Separation in Initialization Sensitivity

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AI summary

arXiv:2606. 11431v1 Announce Type: new Abstract: Mirror Descent (MD) extends Gradient Descent (GD) beyond Euclidean geometry and has recently reappeared as a lens for KL-regularized policy optimization in reinforcement learning and LLM post-training.