Author

Tommaso Marzi

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#machine learning Preprint Oct 2026

Continual Graph Multi-Agent Reinforcement Learning

In Continual Multi-Agent Reinforcement Learning (CMARL), agents learn cooperative policies across sequences of tasks, aiming to adapt effectively to new tasks while preserving the ability to solve previously encountered ones. In many applications, tasks differ in their underlying structure, which can represent, for exa...

Tommaso Marzi, Ahmed Hendawy, Jan Peters et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Hyperbolic Graph Representation Learning for Differential Diagnosis on Biomedical Knowledge Graphs

A preliminary study of hyperbolic graph representation learning for Mendelian-disease differential diagnosis on a patient-integrated biomedical graph suggests that hyperbolic embeddings can exploit biomedical hierarchical structure while supporting diagnostic reasoning over heterogeneous patient-level graphs.

Pietro Miotto, Lucia Mellini, Tommaso Marzi et al. · 0 citations