Journals / Hacettepe Journal of Mathematics and Statistics / 2026 / Volume: 55 Issue: 4

Coreflective subcategories and classical embedding in \(L\)-measurable spaces category

Xiu Xin(Tianjin University of Technology)0000-0001-8667-1494
Huan Lian(Tianjin Normal University)0009-0001-7130-0188
Pages
—
Publication Date
2025-12-30
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

This research addresses thedefects of traditional frameworks, improves the categorical systemof lattice-valued measurable spaces, and provides support for thecross-application of the two types of measure theories.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:To meet the measurement needs in scenarios with fuzziness anduncertainty, fuzzy measure theory needs to extend the framework ofclassical measure theory to the lattice-valued context.
📊
Key Findings & Data:Based on cut sets, it establishesembedding/reduction functors, confirming that the category ofclassical measurable spaces {\bf MS} can be embedded into \(L\)-{\bfSMS} and \(L\)-{\bf WIMS}, and is isomorphic to the category ofgenerated \(L\)-\(\sigma\)-algebras and the category of induced\(L\)-measurable spaces \(L\)-{\bf IMS}.
💡
Conclusion & Impact:This research addresses thedefects of traditional frameworks, improves the categorical systemof lattice-valued measurable spaces, and provides support for thecross-application of the two types of measure theories.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:\(L\)-$\sigma$-algebra · Galois correspondence · coreflective subcategory

Abstract

To meet the measurement needs in scenarios with fuzziness anduncertainty, fuzzy measure theory needs to extend the framework ofclassical measure theory to the lattice-valued context. However,existing studies have limitations such as difficulties in verifyingthe closedness of complement operations and insufficient connectionsat the categorical level. Focusing on Shi$'$s\(L\)-\(\sigma\)-algebras and combining cut set theory with categorytheory, this paper defines subclasses of \(L\)-measurable spaces andconstructs the relevant categorical framework. By using Galoiscorrespondence and closure functors, it proves that the category ofstratified \(L\)-measurable spaces \(L\)-{\bf SMS} and the categoryof weakly induced \(L\)-measurable spaces \(L\)-{\bf WIMS} are bothcoreflective full subcategories of the category of \(L\)-measurablespaces \(L\)-{\bf MS}. Based on cut sets, it establishesembedding/reduction functors, confirming that the category ofclassical measurable spaces {\bf MS} can be embedded into \(L\)-{\bfSMS} and \(L\)-{\bf WIMS}, and is isomorphic to the category ofgenerated \(L\)-\(\sigma\)-algebras and the category of induced\(L\)-measurable spaces \(L\)-{\bf IMS}. This research addresses thedefects of traditional frameworks, improves the categorical systemof lattice-valued measurable spaces, and provides support for thecross-application of the two types of measure theories.

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Cite This Article

Xin, X., Lian, H. (2025). Coreflective subcategories and classical embedding in \(L\)-measurable spaces category. Hacettepe Journal of Mathematics and Statistics, Volume: 55 Issue: 4. https://doi.org/10.15672/hujms.1784919

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