CHARACTERIZATION OF REGULARITY VIA VARIATIONAL STABILITY OF ALTERNATING PROJECTIONS SEQUENCES
Overview & Synopsis
The notion of regular pair (A, B) for two nonempty closed convex subsets A and B of a Hilbert space H was introduced by Borwein and Bauschke in 1993 to ensure convergence (in norm) of the alternating projection method to some point of the best approximation set. In 2022, De Bernardi and Miglierina showed that regularity of the pair (A, B) guarantees, additionally, the convergence for any variational perturbation of the alternating projection method, provided the corresponding best approximation sets are bounded. The aim of this paper is to show that the converse assertion is also true.
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Document Information
| Document Title | CHARACTERIZATION OF REGULARITY VIA VARIATIONAL STABILITY OF ALTERNATING PROJECTIONS SEQUENCES |
|---|---|
| Author / Organization | Francesco Battistoni, Aris Daniilidis, Carlo Alberto de Bernardi, Enrico Miglierina |
| Subject & Discipline | Multidisciplinary Academic Open Research |
| Categories | Science & Mathematics |
| Publication Year | 2025 |
| License / Rights | Open Access / Creative Commons |
| Resource Verification | Listed PDF (Verification Pending) |
| Original Host Website |
HAL Open Science
(hal.science)
|
| File Format | application/pdf (Portable Document Format) |
| Language | EN |
| Catalog ID | DOC-198356 |
| Original Source Link | Visit Source Page on hal.science » |