Author

Marios Kountouris

2 papers indexed here

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Jul 2026

Neilson's Weak vs. Strong Loss Aversion: A Characterization and a Generalized CPT-Utility Function

In multi-objective and multi-criteria decision-making under risk, especially in settings involving individual behavior, risk-aware analysis based on subjective evaluation has become increasingly important. Moving beyond risk-neutral modeling and the constraints of Expected Utility Theory (EUT), Cumulative Prospect Theo...

Symeon Vaidanis, Marios Kountouris · arXiv.org · 1 citation

#machine learning Preprint Sep 2026

Explaining f-Divergence-Based Regularization via Local Curvature and Sharpness-Aware Minimization

Divergence-based regularization and Sharpness-Aware Minimization (SAM) are two prominent approaches for improving generalization in deep learning, both motivated by robustness to perturbations. However, their relationship has remained largely unexplored. Building on classical second-order expansions of $f$-divergences,...

Nour Jamoussi, Marios Kountouris · 0 citations