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Fuzzy-valued integrals based on a constructive methodology

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Abstract

The procedures for constructing a fuzzy number and a fuzzy-valued function from a family of closed intervals and two families of real-valued functions, respectively, are proposed in this paper. The constructive methodology follows from the form of the well-known “Resolution Identity” (decomposition theorem) in fuzzy sets theory. The fuzzy-valued measure is also proposed by introducing the notion of convergence for a sequence of fuzzy numbers. Under this setting, we develop the fuzzy-valued integral of fuzzy-valued function with respect to fuzzy-valued measure. Finally, we provide a Dominated Convergence Theorem for fuzzy-valued integrals.

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References

  1. T. M. Apostol: Mathematical Analysis, 2nd edition. Addison-Wesley, Reading, 1974.

    MATH  Google Scholar 

  2. M. S. Bazaraa, H. D. Sherali, and C. M. Shetty: Nonlinear Programming. J. Wiley & Sons, New York, 1993.

    MATH  Google Scholar 

  3. G. J. Klir, B. Yuan: Fuzzy Sets and Fuzzy Logic: Theory and Applications. Prentice-Hall, Upper Saddle River, 1995.

    MATH  Google Scholar 

  4. E. P. Klement: Fuzzy measures assuming their values in the set of fuzzy numbers. J. Math. Anal. Appl. 93 (1983), 312–323.

    Article  MATH  MathSciNet  Google Scholar 

  5. E. P. Klement: Integration of fuzzy-valued functions. Rev. Roum. Math. Pures Appl. 30 (1985), 375–384.

    MATH  MathSciNet  Google Scholar 

  6. C. V. Negoita, D. A. Ralescu: Applications of Fuzzy Sets to Systems Analysis. Birkhäuser-Verlag, Basel-Stuttgart, 1975.

    MATH  Google Scholar 

  7. H. T. Nguyen: A note on extension principle for fuzzy sets. J. Math. Anal. Appl. 64 (1978), 369–380.

    Article  MATH  MathSciNet  Google Scholar 

  8. M. L. Puri, D. A. Ralescu: Fuzzy random variables. J. Math. Anal. Appl. 114 (1986), 409–422.

    Article  MATH  MathSciNet  Google Scholar 

  9. H. L. Royden: Real Analysis, 3rd edition. Macmillan, New York, 1968.

    Google Scholar 

  10. W. Rudin: Real and Complex Analysis, 3rd edition. McGraw-Hill, New York, 1987.

    MATH  Google Scholar 

  11. J. R. Sims, Z. Y. Wang: Fuzzy measures and fuzzy integrals: An overview. Int. J. Gen. Syst. 17 (1990), 157–189.

    Google Scholar 

  12. M. Stojaković: Fuzzy valued measure. Fuzzy Sets Syst. 65 (1994), 95–104.

    Article  Google Scholar 

  13. E. Suárez-Díaz, F. Suárez-García: The fuzzy integral on product spaces for NSA measures. Fuzzy Sets Syst. 103 (1999), 465–472.

    Article  MATH  Google Scholar 

  14. M. Sugeno: Theory of fuzzy integrals and its applications. Ph.D. dissertation. Tokyo Institute of Technology, Tokyo, 1974.

    Google Scholar 

  15. L. A. Zadeh: Fuzzy Sets. Inf. Control 8 (1965), 338–353.

    MATH  MathSciNet  Google Scholar 

  16. L. A. Zadeh: The concept of linguistic variable and its application to approximate reasoning I, II and III. Information Sciences 8, 9 (1975), 199–249; 301–357; 43–80.

    Article  MathSciNet  Google Scholar 

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Wu, HC. Fuzzy-valued integrals based on a constructive methodology. Appl Math 52, 1–23 (2007). https://doi.org/10.1007/s10492-007-0001-x

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  • DOI: https://doi.org/10.1007/s10492-007-0001-x

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