Search Results for author: Iosif Sakos

Found 4 papers, 0 papers with code

Steering game dynamics towards desired outcomes

no code implementations1 Apr 2024 Ilayda Canyakmaz, Iosif Sakos, Wayne Lin, Antonios Varvitsiotis, Georgios Piliouras

To tackle this challenge, in this work we introduce the SIAR-MPC method, combining the recently introduced Side Information Assisted Regression (SIAR) method for system identification with Model Predictive Control (MPC).

Model Predictive Control

Exploiting hidden structures in non-convex games for convergence to Nash equilibrium

no code implementations NeurIPS 2023 Iosif Sakos, Emmanouil-Vasileios Vlatakis-Gkaragkounis, Panayotis Mertikopoulos, Georgios Piliouras

A wide array of modern machine learning applications - from adversarial models to multi-agent reinforcement learning - can be formulated as non-cooperative games whose Nash equilibria represent the system's desired operational states.

Multi-agent Reinforcement Learning

Discovering How Agents Learn Using Few Data

no code implementations13 Jul 2023 Iosif Sakos, Antonios Varvitsiotis, Georgios Piliouras

In this work, we propose a theoretical and algorithmic framework for real-time identification of the learning dynamics that govern agent behavior using a short burst of a single system trajectory.

Decision Making

Generalized Natural Gradient Flows in Hidden Convex-Concave Games and GANs

no code implementations ICLR 2022 Andjela Mladenovic, Iosif Sakos, Gauthier Gidel, Georgios Piliouras

In the case of Fisher information geometry, we provide a complete picture of the dynamics in an interesting special setting of team competition via invariant function analysis.

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