Skip to main content

Fuzzy Stability of a Quadratic-Additive Type Functional Equation

  • Chapter
Nonlinear Analysis

Part of the book series: Springer Optimization and Its Applications ((SOIA,volume 68))

  • 2171 Accesses

Abstract

In this paper, we investigate a fuzzy version of stability for the functional equation

$$2f(x+y)+f(x-y)+f(y-x)-f(2x)-f(2y) =0 $$

in the sense of M. Mirmostafaee and M.S. Moslehian.

Dedicated to Professor Themistocles M. Rassias on the occasion of his 60th birthday.

This is a preview of subscription content, log in via an institution to check access.

Access this chapter

Chapter
USD 29.95
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
eBook
USD 129.00
Price excludes VAT (USA)
  • Available as EPUB and PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 169.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book
USD 169.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

References

  1. Aoki, T.: On the stability of the linear transformation in Banach spaces. J. Math. Soc. Jpn. 2, 64–66 (1950)

    Article  MATH  Google Scholar 

  2. Bag, T., Samanta, S.K.: Finite dimensional fuzzy normed linear spaces. J. Fuzzy Math. 11(3), 687–705 (2003)

    MathSciNet  MATH  Google Scholar 

  3. Cheng, S.C., Mordeson, J.N.: Fuzzy linear operator and fuzzy normed linear spaces. Bull. Calcutta Math. Soc. 86, 429–436 (1994)

    MathSciNet  MATH  Google Scholar 

  4. Czerwik, S.: On the stability of the quadratic mapping in normed spaces. Abh. Math. Semin. Univ. Hamb. 62, 59–64 (1992)

    Article  MathSciNet  MATH  Google Scholar 

  5. Găvruta, P.: A generalization of the Hyers–Ulam–Rassias stability of approximately additive mappings. J. Math. Anal. Appl. 184, 431–436 (1994)

    Article  MathSciNet  MATH  Google Scholar 

  6. Hyers, D.H.: On the stability of the linear functional equation. Proc. Natl. Acad. Sci. USA 27, 222–224 (1941)

    Article  MathSciNet  Google Scholar 

  7. Jun, K.-W., Lee, Y.-H.: A generalization of the Hyers–Ulam–Rassias stability of the pexiderized quadratic equations, II. Kyungpook Math. J. 47, 91–103 (2007)

    MathSciNet  MATH  Google Scholar 

  8. Katsaras, A.K.: Fuzzy topological vector spaces II. Fuzzy Sets Syst. 12, 143–154 (1984)

    Article  MathSciNet  MATH  Google Scholar 

  9. Kim, G.-H.: On the stability of functional equations with square-symmetric operation. Math. Inequal. Appl. 4, 257–266 (2001)

    MathSciNet  MATH  Google Scholar 

  10. Kim, H.-M.: On the stability problem for a mixed type of quartic and quadratic functional equation. J. Math. Anal. Appl. 324, 358–372 (2006)

    Article  MathSciNet  MATH  Google Scholar 

  11. Kramosil, I., Michalek, J.: Fuzzy metric and statistical metric spaces. Kybernetica 11, 326–334 (1975)

    MathSciNet  Google Scholar 

  12. Lee, Y.-H.: On the Hyers–Ulam–Rassias stability of the generalized polynomial function of degree 2. J. Chuncheong Math. Soc. 22, 201–209 (2009)

    Google Scholar 

  13. Lee, Y.-H.: On the stability of the monomial functional equation. Bull. Korean Math. Soc. 45, 397–403 (2008)

    Article  MathSciNet  MATH  Google Scholar 

  14. Lee, Y.H., Jun, K.W.: A generalization of the Hyers–Ulam–Rassias stability of Jensen’s equation. J. Math. Anal. Appl. 238, 305–315 (1999)

    Article  MathSciNet  MATH  Google Scholar 

  15. Lee, Y.H., Jun, K.W.: A generalization of the Hyers–Ulam–Rassias stability of Pexider equation. J. Math. Anal. Appl. 246, 627–638 (2000)

    Article  MathSciNet  MATH  Google Scholar 

  16. Lee, Y.H., Jun, K.W.: On the stability of approximately additive mappings. Proc. Am. Math. Soc. 128, 1361–1369 (2000)

    Article  MathSciNet  MATH  Google Scholar 

  17. Mirmostafaee, A.K., Moslehian, M.S.: Fuzzy almost quadratic functions. Results Math. 52, 161–177 (2008)

    Article  MathSciNet  MATH  Google Scholar 

  18. Mirmostafaee, A.K., Moslehian, M.S.: Fuzzy versions of Hyers–Ulam–Rassias theorem. Fuzzy Sets Syst. 159, 720–729 (2008)

    Article  MathSciNet  MATH  Google Scholar 

  19. Rassias, Th.M.: On the stability of the linear mapping in Banach spaces. Proc. Am. Math. Soc. 72, 297–300 (1978)

    Article  MATH  Google Scholar 

  20. Skof, F.: Local properties and approximations of operators. Rend. Semin. Mat. Fis. Milano 3, 113–129 (1983)

    Article  MathSciNet  Google Scholar 

  21. Ulam, S.M.: A Collection of Mathematical Problems, p. 63. Interscience, New York (1968)

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Yang-Hi Lee .

Editor information

Editors and Affiliations

Rights and permissions

Reprints and permissions

Copyright information

© 2012 Springer Science+Business Media, LLC

About this chapter

Cite this chapter

Jin, SS., Lee, YH. (2012). Fuzzy Stability of a Quadratic-Additive Type Functional Equation. In: Pardalos, P., Georgiev, P., Srivastava, H. (eds) Nonlinear Analysis. Springer Optimization and Its Applications, vol 68. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-3498-6_19

Download citation

Publish with us

Policies and ethics