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Giovanni Petri

3 accepted papers

2026

Bound by semanticity: universal laws governing the generalization-identification tradeoff

ICLR 2026poster

Intelligent systems must form internal representations that support both broad generalization and precise identification. Here, we show that these two goals are fundamentally in tension with one another. We derive closed-form expressions proving that any model whose representations have a finite s…

Cited by 0SourceScholar
2026

The Geometry of Representational Failures in Vision Language Models

ICML 2026poster

Vision-Language Models (VLMs) exhibit puzzling failures in multi-object visual tasks, such as hallucinating non-existent elements or failing to identify the most similar objects among distractions. While these errors mirror human cognitive constraints, such as the "Binding Problem'', the internal me…

Cited by 4SourceScholar
2026

Topology and geometry of the learning space of ReLU networks: connectivity and singularities

ICLR 2026poster

Understanding the properties of the parameter space in feed-forward ReLU networks is critical for effectively analyzing and guiding training dynamics. After initialization, training under gradient flow decisively restricts the parameter space to an algebraic variety that emerges from the homogeneous…

Cited by 0SourceScholar