Compactness in lattice-valued function spaces
We study conditions which ensure the compactness and weak relative compactness of a set of mappings between two lattice-valued convergence spaces. We consider lattice-valued pointwise convergence and lattice-valued continuous convergence. A suitable notion of even continuity for subsets of a functio...
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Veröffentlicht in: | Fuzzy sets and systems 2010-11, Vol.161 (22), p.2962-2974 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | We study conditions which ensure the compactness and weak relative compactness of a set of mappings between two lattice-valued convergence spaces. We consider lattice-valued pointwise convergence and lattice-valued continuous convergence. A suitable notion of even continuity for subsets of a function space is introduced which allows to pass from compactness with respect to the lattice-valued pointwise convergence to compactness with respect to lattice-valued continuous convergence. It is shown that with a regularity condition for the second space, we can deduce compactness conditions for sets of continuous mappings between two lattice-valued convergence spaces. |
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ISSN: | 0165-0114 1872-6801 |
DOI: | 10.1016/j.fss.2010.07.002 |