Claire Boyer

activity

20242026

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cs.LG2026

From Global to Tail Convergence: Dynamics of $α$ -Stable Score-Based Generative Models

Ianis Hammani, Claire Boyer

Score-based generative models driven by $α$ -stable L{é}vy processes have been proposed as an alternative to Brownian diffusion models, with empirical evidence suggesting improved s…

math.OC2026

Attention-based PCA

Rodrigo Maulen-Soto, Claire Boyer

We study attention mechanisms through the lens of a canonical unsupervised problem: principal component analysis (PCA). We show that, when trained on Gaussian data, both softmax an…

From Global to Tail Convergence: Dynamics of α-Stable Score-Based Generative Models

Attention-based PCA

From Global to Tail Convergence: Dynamics of $α$ -Stable Score-Based Generative Models