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Nikos Zarifis

29 papers hereh-index 15675 citations37 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author2
  • middle author4
  • last author23

Across the 29 of 29 papers where every author was matched, so the position is known.

fields
  • cs.LG26
  • cs.DS2
  • math.OC1

identity via Semantic Scholar / OpenAlex

activity
20202026
most citedNear-Optimal SQ Lower Bounds for Agnostically Learning Halfspaces and ReLUs under Gaussian Marginals

10 citations · 53 across the 28 of their papers we have counts for

collaborators
Showing 2025Show all

4 papers · 1 filter

cs.LG2025

Robustly Learning Monotone Single-Index Models

Puqian Wang, Nikos Zarifis, Ilias Diakonikolas +1

We consider the basic problem of learning Single-Index Models with respect to the square loss under the Gaussian distribution in the presence of adversarial label noise. Our main c…

cs.LG2025

Robust Learning of Multi-index Models via Iterative Subspace Approximation

Ilias Diakonikolas, Giannis Iakovidis, Daniel M. Kane +1

We study the task of learning Multi-Index Models (MIMs) with label noise under the Gaussian distribution. A K-MIM is any function f that only depends on a K-dimensional subsp…

cs.LG2025

Robustly Learning Monotone Generalized Linear Models via Data Augmentation

Nikos Zarifis, Puqian Wang, Ilias Diakonikolas +1

We study the task of learning Generalized Linear models (GLMs) in the agnostic model under the Gaussian distribution. We give the first polynomial-time algorithm that achieves a co…

cs.LG2025

A Near-optimal Algorithm for Learning Margin Halfspaces with Massart Noise

Ilias Diakonikolas, Nikos Zarifis

We study the problem of PAC learning γ-margin halfspaces in the presence of Massart noise. Without computational considerations, the sample complexity of this learning problem is…

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