Dangerous Liaisons of Convex Learning and Non-Affine Aggregation
Last-iterate convergence and generalization guarantees in first-order convex learning hinge on the monotonicity of the update operator. While linear averaging preserves the monotonicity of gradient updates, this property is often violated when gradients are aggregated non-affinely, as in modern pipelines enforcing constraints like adaptivity, privacy, robustness or fairness. Whether it is possible to design non-affine aggregation rules that maintain monotonicity has remained an open question. We
Record details
Published: 26 June 2026
Source: arXiv fairness query
Category: Research
Topics: Bias & fairness · Privacy
Retrieved: 14 July 2026
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ethics.ai (26 June 2026), “Dangerous Liaisons of Convex Learning and Non-Affine Aggregation,” evidence record 3077, https://ethics.ai/record/3077 (originally published by arXiv fairness query).
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