Fuzzy Sets and Systems
A strong law of large numbers for fuzzy random sets
Fuzzy Sets and Systems
On the variance of fuzzy random variables
Fuzzy Sets and Systems
Strong consistency of least-squares estimation in linear regression models with vague concepts
Journal of Multivariate Analysis
Limit distributions of least squares estimators in linear regression models with vague concepts
Journal of Multivariate Analysis
Convergence in distribution for level-continuous fuzzy random sets
Fuzzy Sets and Systems
An approach to pseudo-integration of set-valued functions
Information Sciences: an International Journal
Jensen and Chebyshev inequalities for pseudo-integrals of set-valued functions
Fuzzy Sets and Systems
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This paper deals with limit theorems for fuzzy-valued measurable mappings which provide, as a whole, a foundation of statistical analysis with fuzzy data. A strong law of large numbers, a central limit theorem and a Gliwenko-Cantelli theorem are proved. The results are formulated simultaneously with respect to the Lp-metrics on the fuzzy sample spaces, investigated by Diamond and Kloeden. In particular, these versions of the limit theorems are related to identical, compatible concepts of convergence and measurability in the fuzzy sample spaces. The proofs of the theorems are based heavily on isomorphic isometric embeddings of the fuzzy sample spaces, endowed with Lp-metrics, into respective Lp-spaces, which are Banach spaces of type 2. These embeddings provide the application of convergence results in Banach spaces.