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math.PR2026
Gradient Gibbs measures with non-convex potentials and the universality class of the Gaussian Free Field
Simon Buchholz, Codina Cotar, Florian Schweiger
We study a general class of gradient interface models with Hamiltonian , , assuming essentially that the potential is even, on $[0,\infty…
cs.LG2026
Linear Independent Component Analysis via Optimal Transport
Ashutosh Jha, Michel Besserve, Simon Buchholz
Linear Independent Component Analysis (ICA) recovers jointly independent source signals from their linear mixtures. To achieve this, classical ICA algorithms attempt to maximize no…
cs.LG2026
Logit Distance Bounds Representational Similarity
Beatrix M. G. Nielsen, Emanuele Marconato, Luigi Gresele +2
For a broad family of discriminative models that includes autoregressive language models, identifiability results imply that if two models induce the same conditional distributions…