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20232026
most citedA variable smoothing for Nonconvexly constrained nonsmooth optimization with application to sparse spectral clustering

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math.OC2026

Asymptotic Analysis of Gradient Mapping-type Stationarity Measure for the Sum of Nonconvex Nonsmooth Functions and Applications to Proximal Gradient-type Algorithms

Keita Kume, Isao Yamada

We propose a gradient mapping-type stationarity measure for the sum of two possibly nonsmooth nonconvex functions. Under suitable regularity assumptions, we show that Fréchet or pr…