Nikos Zarifis

Orcid: 0000-0003-0578-8514

Affiliations:
  • University of Wisconsin-Madison, WI, USA
  • National Technical University of Athens, School of Electrical and Computer Engineering, Greece


According to our database1, Nikos Zarifis authored at least 30 papers between 2020 and 2024.

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Bibliography

2024
Efficient Testable Learning of General Halfspaces with Adversarial Label Noise.
CoRR, 2024

Online Learning of Halfspaces with Massart Noise.
CoRR, 2024

Super Non-singular Decompositions of Polynomials and Their Application to Robustly Learning Low-Degree PTFs.
Proceedings of the 56th Annual ACM Symposium on Theory of Computing, 2024

Robustly Learning Single-Index Models via Alignment Sharpness.
Proceedings of the Forty-first International Conference on Machine Learning, 2024

Agnostically Learning Multi-Index Models with Queries.
Proceedings of the 65th IEEE Annual Symposium on Foundations of Computer Science, 2024

Statistical Query Lower Bounds for Learning Truncated Gaussians.
Proceedings of the Thirty Seventh Annual Conference on Learning Theory, June 30, 2024

Testable Learning of General Halfspaces with Adversarial Label Noise.
Proceedings of the Thirty Seventh Annual Conference on Learning Theory, June 30, 2024

2023
SQ Lower Bounds for Learning Bounded Covariance GMMs.
CoRR, 2023

Efficient Testable Learning of Halfspaces with Adversarial Label Noise.
Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Near-Optimal Bounds for Learning Gaussian Halfspaces with Random Classification Noise.
Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Robustly Learning a Single Neuron via Sharpness.
Proceedings of the International Conference on Machine Learning, 2023

Self-Directed Linear Classification.
Proceedings of the Thirty Sixth Annual Conference on Learning Theory, 2023

SQ Lower Bounds for Learning Mixtures of Separated and Bounded Covariance Gaussians.
Proceedings of the Thirty Sixth Annual Conference on Learning Theory, 2023

Information-Computation Tradeoffs for Learning Margin Halfspaces with Random Classification Noise.
Proceedings of the Thirty Sixth Annual Conference on Learning Theory, 2023

2022
Learning general halfspaces with general Massart noise under the Gaussian distribution.
Proceedings of the STOC '22: 54th Annual ACM SIGACT Symposium on Theory of Computing, Rome, Italy, June 20, 2022

Learning General Halfspaces with Adversarial Label Noise via Online Gradient Descent.
Proceedings of the International Conference on Machine Learning, 2022

Learning a Single Neuron with Adversarial Label Noise via Gradient Descent.
Proceedings of the Conference on Learning Theory, 2-5 July 2022, London, UK., 2022

2021
Reallocating multiple facilities on the line.
Theor. Comput. Sci., 2021

Threshold Phenomena in Learning Halfspaces with Massart Noise.
CoRR, 2021

The Optimality of Polynomial Regression for Agnostic Learning under Gaussian Marginals.
CoRR, 2021

Efficiently learning halfspaces with Tsybakov noise.
Proceedings of the STOC '21: 53rd Annual ACM SIGACT Symposium on Theory of Computing, 2021

Learning Online Algorithms with Distributional Advice.
Proceedings of the 38th International Conference on Machine Learning, 2021

The Optimality of Polynomial Regression for Agnostic Learning under Gaussian Marginals in the SQ Model.
Proceedings of the Conference on Learning Theory, 2021

Agnostic Proper Learning of Halfspaces under Gaussian Marginals.
Proceedings of the Conference on Learning Theory, 2021

2020
A Polynomial Time Algorithm for Learning Halfspaces with Tsybakov Noise.
CoRR, 2020

Learning Halfspaces with Tsybakov Noise.
CoRR, 2020

Near-Optimal SQ Lower Bounds for Agnostically Learning Halfspaces and ReLUs under Gaussian Marginals.
Proceedings of the Advances in Neural Information Processing Systems 33: Annual Conference on Neural Information Processing Systems 2020, 2020

Non-Convex SGD Learns Halfspaces with Adversarial Label Noise.
Proceedings of the Advances in Neural Information Processing Systems 33: Annual Conference on Neural Information Processing Systems 2020, 2020

Learning Halfspaces with Massart Noise Under Structured Distributions.
Proceedings of the Conference on Learning Theory, 2020

Algorithms and SQ Lower Bounds for PAC Learning One-Hidden-Layer ReLU Networks.
Proceedings of the Conference on Learning Theory, 2020


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