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cs.LG2025
Learning Intersections of Two Margin Halfspaces under Factorizable Distributions
Ilias Diakonikolas, Mingchen Ma, Lisheng Ren +1
Learning intersections of halfspaces is a central problem in Computational Learning Theory. Even for just two halfspaces, it remains a major open question whether learning is possi…
cs.LG2025
Statistical Query Hardness of Multiclass Linear Classification with Random Classification Noise
Ilias Diakonikolas, Mingchen Ma, Lisheng Ren +1
We study the task of Multiclass Linear Classification (MLC) in the distribution-free PAC model with Random Classification Noise (RCN). Specifically, the learner is given a set of l…