Stéphane Marchand-Maillet

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Architecture Design (Transformers, SSMs, MoE) (1)Interpretability & Mechanistic Interp (1)

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Floriano Tori (1)Lorenzo Bini (1)Marco Sorbi (1)Vincent Ginis (1)

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Feb 24, 2026

Floriano Tori +42w ago

Probing Graph Neural Network Activation Patterns Through Graph Topology

GNNs don't "see" graph curvature the way theory predicts, and global attention can actually *worsen* the problem by amplifying topological bottlenecks.

Floriano Tori, Lorenzo Bini, Marco Sorbi +2

Architecture Design (Transformers, SSMs, MoE)Interpretability & Mechanistic Interp

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Stéphane Marchand-Maillet

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