Preprint
Sep 2026
Asymptotic Analysis of Gradient Mapping-type Stationarity Measure for the Sum of Nonconvex Nonsmooth Functions and Applications to Proximal Gradient-type Algorithms
It is shown that Fr\'echet or proximal stationarity can be characterized through asymptotic vanishing of the proposed measure along some convergent sequence and analogous asymptotic results for a smoothing-based variant of the measure are established.
Keita Kume, Isao Yamada
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