The Wijsman structure of a quantale-valued metric space
Publish place: Iranian Journal of Fuzzy Systems، Vol: 17، Issue: 1
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJFS-17-1_013
تاریخ نمایه سازی: 30 خرداد 1400
Abstract:
We define and study a quantale-valued Wijsman structure on the hyperspace of all non-empty closed sets of a quantale-valued metric space. We show its admissibility and that the metrical coreflection coincides with the quantale-valued Hausdorff metric and that, for a metric space, the topological coreflection coincides with the classical Wijsman topology. We further define an index of compactness and show that the indices of compactness of the quantale-valued metric space and of the hyperspaces equipped with the quantale-valued Hausdorff metric and with the quantale-valued Wijsman structure coincide.
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Authors
G. Jäger
School of Mechanical Engineering, University of Applied Sciences Stralsund, D-۱۸۴۳۵ Stralsund, Germany