Author

Ali Shoker

VORTEX CoLab, Portugal

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Preprint Aug 2026

FedRings: A Scalable and Topology-Aware Federated Learning Framework for LEO Satellite Constellations

FedRings, a decentralized framework that organizes satellites into ring-based communication structures, enables stable and efficient learning in dynamic LEO networks while reducing communication cost, and experiments show it consistently outperforms existing methods in realistic settings.

Ziwu Liu, I. Gouveia, R. Yasmin et al. · 0 citations

Preprint Aug 2026

Herding End-to-End Autonomous Driving via Neuro-Symbolic Safety Guards

A neuro-symbolic safety guard is introduced, a lightweight module that attaches to the final command interface of an already-trained agent and checks the command against explicit safety rules and, only when necessary, replaces it with the nearest safe alternative.

Simón Patiño Idarraga, Erick Silva, R. Yasmin et al. · 0 citations