Fuzzy Sets and Systems - Fuzzy Numbers
A subjective approach for ranking fuzzy numbers
Fuzzy Sets and Systems
Fuzzy Sets and Systems
The &lgr;-average value and the fuzzy expectation of a fuzzy random variable
Fuzzy Sets and Systems
Convergence of set-valued and fuzzy-valued martingales
Fuzzy Sets and Systems
Decomposition theorems for fuzzy supermartingales and submartingales
Fuzzy Sets and Systems - Special issue on fuzzy numbers and uncertainty
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A new suitable semi-order in the fuzzy number space (En, D), the semi-order fuzzy supermartingales and submartingales with continuous time and their characteristics are introduced. The famous Riesz decomposition and Doob-Meyer decomposition theorems in standard martingale theory are generalized to semi-order fuzzy supermartingales. The proof of Doob-Meyer decomposition is rather technical and so the theory of fuzzy-valued measures generated by increasing fuzzy processes is developed.