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cs.LG2026
WaSA: Wavelet Scattering Autoencoders for Unsupervised Offline Detection of Malicious Clients in Federated Learning
Alessandro Licciardi
Federated Learning (FL) enables collaborative model training without exposing raw data, yet remains vulnerable to malicious clients injecting poisoned datasets. Existing defenses a…
cs.LG2026
RIPPLE in Still Water: Zero-Shot Clustering in Federated Learning with Wavelet Scattering Transform
Alessandro Licciardi
Clustered Federated Learning (FL) partitions a client population into groups of similar local distributions and trains one specialized model per cluster, mitigating client drift th…
physics.soc-ph2026
From graphons to real-world networks: kinetic opinion dynamics under selective media influence
Bertram Düring, Martina Fraia, Alessandro Licciardi
We propose a kinetic model of opinion dynamics under selective media influence on both graphon-based and real-world networks. The media action, inspired by Hallin's theory of spher…