Guy Kornowski
Guy Kornowski
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I'm a Ph.D. student at the Department of Computer Science & Applied Mathematics, Weizmann Institute of Science, where I'm very fortunate to be advised by Prof. Ohad Shamir. My research is supported by an Azrieli graduate fellowship.
During my doctoral studies I held student research positions at Apple Machine Learning Research (worked with Vitaly Feldman and Kunal Talwar) and Google Research (worked with Manfred Warmuth).
My main research interests are machine learning theory, optimization, statistical learning and deep learning theory.
Previously, I completed my M.Sc. at Weizmann, for which I received the Dean's prize for outstanding M.Sc. student.
Before that I completed by B.Sc. in mathematics at Tel Aviv University.
In somewhat of a past life, I studied guitar at the Center for Jazz Studies in the Israel Conservatory of Music, was supported by the America-Israel Cultural Foundation and played in several musical groups. I'm still enthusiastic about music.
Preprints
Preprints
Gradient Descent’s Last Iterate is Often (slightly) Suboptimal
Guy Kornowski, Ohad Shamir
Preliminary version at NeurIPS Workshop on Optimization for Machine Learning 2025.
Journal and Conference Papers
Journal and Conference Papers
Guy Kornowski
To appear in Algorithmic Learning Theory (ALT) 2026
Preliminary version at Theory and Practice of Differential Privacy workshop (TPDP) 2025.
Daniel Barzilai, Guy Kornowski, Ohad Shamir
Neural Information Processing Systems (NeurIPS) 2025.
Guy Kornowski, Daogao Liu, Kunal Talwar
International Conference on Machine Learning (ICML) 2025.
Vitaly Feldman, Guy Kornowski, Xin Lyu
Conference on Learning Theory (COLT) 2025
Spotlight at Theory and Practice of Differential Privacy workshop (TPDP) 2025
Best Paper Award at The Impact of Memorization on Trustworthy Foundation Models Workshop @ ICML 2025.
Guy Kornowski, Ohad Shamir
Conference on Learning Theory (COLT) 2025.
Guy Kornowski, Swati Padmanabhan, Kai Wang, Zhe Zhang, Suvrit Sra
Neural Information Processing Systems (NeurIPS) 2024.
Steve Hanneke, Aryeh Kontorovich, Guy Kornowski
Algorithmic Learning Theory (ALT) 2024.
Guy Kornowski, Ohad Shamir
Journal of Machine Learning Research (JMLR) 2024.
Preliminary version at NeurIPS at Workshop on Optimization for Machine Learning 2023, oral presentation.
Guy Kornowski*, Gilad Yehudai*, Ohad Shamir
Neural Information Processing Systems (NeurIPS) 2023, spotlight.
Steve Hanneke, Aryeh Kontorovich, Guy Kornowski
Neural Information Processing Systems (NeurIPS) 2023.
Michael I. Jordan, Guy Kornowski, Tianyi Lin, Ohad Shamir, Manolis Zampetakis
Conference on Learning Theory (COLT) 2023.
Guy Kornowski, Ohad Shamir
Neural Information Processing Systems (NeurIPS) 2021, oral presentation.
Journal of Machine Learning Research (JMLR) 2022.
Finalist for the Best Paper Prize for Young Researchers in Continuous Optimization (2025).
Other Publications
Other Publications
Guy Kornowski, Swati Padmanabhan, Ohad Shamir
NeurIPS Workshop on Optimization for Machine Learning 2024.
Guy Kornowski, Ohad Shamir
COLT 2024 open problem.
- Update: Solved beautifully by [Zhang, Lee, Du and Chen]!
Guy Kornowski, Ohad Shamir
NeurIPS Workshop on Optimization for Machine Learning 2022, oral presentation.
Guy Kornowski, Ohad Shamir
arxiv technical note, 2021.
Since 2021, I volunteer as a machine learning mentor at Magshimim (site in Hebrew). Magshimim is a national education program that provides computer science education to underserved youth, equipping them with knowledge and tools for a future career in tech.
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