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math.OC2026
Nonsmooth Riemannian optimization with inexact manifold primitives via bundle methods
Mateo Díaz, Benjamin Grimmer, Ian McPherson
Optimization on Hadamard manifolds -- the natural Riemannian setting for globally geodesically convex problems -- relies on exponential maps to retract tangent vectors and parallel…
math.OC2026
Active set identification and rapid convergence for degenerate primal-dual problems
Mateo Díaz, Pedro Izquierdo Lehmann, Haihao Lu +1
Primal-dual methods for solving convex optimization problems with functional constraints often exhibit a distinct two-stage behavior. Initially, they converge towards a solution at…