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math.OC2026
A Nonmonotone Descent Method for Optimization Problems Defined by Upper- Functions over Submanifolds
Christian Kanzow, Leo Lehmann
We consider the optimization problem of minimizing a nonsmooth function characterized by a nonsmooth formulation of the descent lemma over a manifold. In the unconstrained case ove…
math.OC2024
Convergence of Nonmonotone Proximal Gradient Methods under the Kurdyka-Lojasiewicz Property without a Global Lipschitz Assumption
Christian Kanzow, Leo Lehmann
We consider the composite minimization problem with the objective function being the sum of a continuously differentiable and a merely lower semicontinuous and extended-valued func…