Author

Gabriele Farina

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#artificial intelligence Open access Nov 2025

Scalable decision-making for games of imperfect information

Real-world decision-making generally involves hidden information, that is, information that is unknown to one agent but possessed by another. Unfortunately, the presence of large amounts of hidden information renders established reinforcement learning and search approaches ineffective. Even with multimillion-dollar ind...

Samuel Sokota, E. Vinitsky, Heng-Yuan Hu et al. · Nature · 11 citations · ⚡2

Jul 2026

A Unifying Framework for Quasi-Polynomial Optimization of Fixed-degree Polynomials

We study the simultaneous approximation of constant-degree polynomials over convex sets. For any family of $m$ degree-$d$ polynomials and any convex set ${H} \subseteq \mathbb{R}_{\ge0}^n$, we construct an $\epsilon$-Cover of the joint value set $\{(f_1(x), \dots, f_m(x)) : x \in {H}\}$ in the $\ell_\infty$-norm. This...

Martino Bernasconi, Matteo Castiglioni, Andrea Celli et al. · arXiv.org · 1 citation