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Author

Andrea Cossu

Scuola Normale Superiore

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#machine learning Preprint Oct 2026

Continual Reinforcement Learning with Neuroevolution

Neuroevolution is established as a competitive alternative to RL under continual task changes, and it is suggested that training under perturbations in weight space may be a useful mechanism for continual learning more broadly.

Eleni Nisioti, Andrea Cossu, Kathrin Korte et al. · 0 citations
Preprint Aug 2026

Z-PEFT: Zero-shot Backdoor Detection in Parameter-Efficient Fine-Tuning via Canonical Spectral Signatures

This work proposes Z-PEFT, a lightweight meta-classifier that relies exclusively on layer-wise spectral measures for classification, and achieves the best performance while maintaining low and scalable computational cost among weight-space detectors.

Nicola Pitzalis, Donald Shenaj, Giacomo Cignoni et al. · 0 citations

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