Proper splittings of Hilbert space operators
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866917614654062592 |
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| author | Fongi, Guillermina Gonzalez, María Celeste |
| author_facet | Fongi, Guillermina Gonzalez, María Celeste |
| contents | Proper splittings of operators are commonly used to study the convergence of iterative processes. In order to approximate solutions of operator equations, in this article we deal with proper splittings of closed range bounded linear operators defined on Hilbert spaces. We study the convergence of general proper splittings of operators in the infinite dimensional context. We also propose some particular splittings for special classes of operators and we study different criteria of convergence and comparison for them. In some cases, these criteria are given under hypothesis of operator order relations. In addition, we relate these results with the concept of the symmetric approximation of a frame in a Hilbert space. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2403_10247 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Proper splittings of Hilbert space operators Fongi, Guillermina Gonzalez, María Celeste Functional Analysis 47A05, 47B02, 06A06 Proper splittings of operators are commonly used to study the convergence of iterative processes. In order to approximate solutions of operator equations, in this article we deal with proper splittings of closed range bounded linear operators defined on Hilbert spaces. We study the convergence of general proper splittings of operators in the infinite dimensional context. We also propose some particular splittings for special classes of operators and we study different criteria of convergence and comparison for them. In some cases, these criteria are given under hypothesis of operator order relations. In addition, we relate these results with the concept of the symmetric approximation of a frame in a Hilbert space. |
| title | Proper splittings of Hilbert space operators |
| topic | Functional Analysis 47A05, 47B02, 06A06 |
| url | https://arxiv.org/abs/2403.10247 |