Anargyros (Argyris) Oikonomou

Hello, World!

I am a Research Scientist at Meta. Prior to that, I received my PhD from the department of Computer Science at Yale University advised by Prof. Yang Cai. I was selected as a recipient of the 2023 Meta Research PhD Fellowship award! Before coming to Yale, I graduated from the National Technical University of Athens with a Diploma in Electrical and Computer Engineering, where I completed my Diploma Thesis (available in Greek here) in Graph Drawing under the supervision of Prof. Antonios Symvonis.

My research interests lie in Machine Learning, Optimization, and Game Theory.

Publications

COMAL: A Convergent Meta-Algorithm for Aligning LLMs with General Preferences.
Liu Y., Oikonomou A., Zheng W., Cai Y., Cohan A.
International Conference on Learning Representations (ICLR 2026).

Injecting Undetectable Backdoors in Deep Learning and Language Models.
Kalavasis A., Karbasi A., Oikonomou A., Sotiraki K., Velegkas G., Zampetakis M.
Neural Information Processing Systems (NeurIPS 2024).

Provable Partially Observable Reinforcement Learning with Privileged Information.
Cai Y., Liu X., Oikonomou A., Zhang K.
Neural Information Processing Systems (NeurIPS 2024).

Accelerated Algorithms for Monotone Inclusion and Constrained Nonconvex-Nonconcave Min-Max Optimization.
Cai Y., Oikonomou A., Zheng W.
International Conference on Machine Learning (ICML 2024).

Finite-Time Last-Iterate Convergence for Learning in Multi-Player Games.
Cai Y., Oikonomou A., Zheng W.
Neural Information Processing Systems (NeurIPS Oral 2022).

Computing Simple Mechanisms: Lift-and-Round over Marginal Reduced Forms.
Cai Y., Oikonomou A., Zhao M.
Symposium on Theory of Computing (STOC 2022).

On Simple Mechanisms for Dependent Items.
Cai Y., Oikonomou A..
ACM Conference on Economics and Computation (EC 2021).

An Efficient ε-BIC to BIC Transformation and Its Application to Black-Box Reduction in Revenue Maximization.
Cai Y., Oikonomou A., Velegkas G., Zhao G.
Symposium on Discrete Algorithms (SODA 2021).

Monotone Drawings of k-Inner Planar Graphs.
Symvonis A., Oikonomou A..
Graph Drawing (GD 2018).

Simple Compact Monotone Tree Drawings.
Symvonis A., Oikonomou A..
Graph Drawing (GD 2017).