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math.OC2024
Anisotropic Proximal Gradient
Emanuel Laude, Panagiotis Patrinos
This paper studies a novel algorithm for nonconvex composite minimization which can be interpreted in terms of dual space nonlinear preconditioning for the classical proximal gradi…
math.OC2024
Adaptive proximal gradient methods are universal without approximation
Konstantinos A. Oikonomidis, Emanuel Laude, Puya Latafat +2
We show that adaptive proximal gradient methods for convex problems are not restricted to traditional Lipschitzian assumptions. Our analysis reveals that a class of linesearch-free…