Author

Chao Ding

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Preprint Jul 2026

Semismooth Newton methods for degenerate polyhedral projection

In this paper, we study dual semismooth Newton (SSN) methods for degenerate polyhedral projection problems, where generalized Jacobians of the dual residual may remain singular even arbitrarily close to the solution set. Rather than regularizing these singular systems, we exploit the nonuniqueness of the dual represent...

Chao Ding, Fuxiaoyue Feng, Xudong Li · 0 citations