Skip to main content
Log in

On Concave Operators

  • ORIGINAL ARTICLES
  • Published:
Acta Mathematica Sinica Aims and scope Submit manuscript

Abstract

We prove that a u0–concave operator can include other concave operators, and derive a sufficient and necessary condition for the existence and uniqueness of the fixed point of a kind of u0–concave operator under a weaker condition.

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

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Krasnoselskii, M. A., Zabreiko, P. P.: Geometrical Methods of Nonlinear Analysis, Moscow, 1975 (in Russian)

  2. Amann, H.: Fixed point equations and nonlinear eigenvalue problems in ordered Banach spaces. SIAM Review, 18, 602–709 (1976)

    Article  MathSciNet  Google Scholar 

  3. Potter, A. J. B.: Applications of Hilbert’s projective metric to certain classes of non-homogenous operators. Quart. J. Math. Oxford Ser., 28(2), 93–99 (1977)

    MATH  MathSciNet  Google Scholar 

  4. Li, F. Y., Liang, Z. D.: Fixed points theorem for φ-concave (convex) operator with applications. J. Sys. Sci.& Math. Scis., 14(4), 335–360 (1994)(in Chinese)

    Google Scholar 

  5. Guo, D. J.: Nonlinear Functional Analysis, Shandong Scientific and Technical Publishers, Ji’nan, 1985 (in Chinese)

  6. Guo, D. J.: Partial Ordering Methods of Nonlinear Functional Analysis, Shandong Scientific and Technical Publishers, Ji’nan, 2000, 3 (in Chinese)

  7. Bushell, P. J.: Hilbert’s metric and positive contraction mappings in a Banach Space. Arch. Rational Mech. Anal., 52, 330–338 (1976)

    MathSciNet  Google Scholar 

  8. Bushell, P. J.: On a Class of Volterea and Fredholm Nonlinear Integral Equations. Math. Proc. Cambridge Philos. Soc., 79, 329–335 (1976)

    MATH  MathSciNet  Google Scholar 

  9. Wan, W. X.: The conditions of contract map and a Banach fixed point theorem. Acta Mathematica Sinica, Chinese Series, 27(1), 35–52 (1984)

    MATH  Google Scholar 

  10. Amann, H.: On the number of nonlinear equations in ordered Banach spaces. J. Funct. Anal., 11, 346–384 (1972)

    Article  MATH  MathSciNet  Google Scholar 

  11. Du, Y. H.: A fixed point theorem for a class of non-compact operators with application. Acta Mathematica Sinica, Chinese Series, 32, 618–627 (1989)

    MATH  Google Scholar 

  12. Guo, D. J.: Fixed points and eigenvalues of a class of concave and convex operator. Chinese Science Bulletin, 30, 1132–1135 (1985) (in Chinese)

    Google Scholar 

  13. Zhao, Z. Q.: Existence and uniqueness of fixed points for mixed monotone mappings in partial ordering space. J. Sys. Sci. & Math. Scis., 19(2), 217–224 (1999)(in Chinese)

    MATH  Google Scholar 

  14. Potter, A. J. B.: Existence theorem for nonlinear integral equation. J. London Math. Soc., 11(2), 7–10 (1975)

    MATH  MathSciNet  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Zhan Dong Liang.

Additional information

Supported by NSFC (10371068), NSFC(60174007) and Science Foundation of Shanxi Province (20041003)

Rights and permissions

Reprints and permissions

About this article

Cite this article

Liang, Z.D., Wang, W.X. & Li, S.J. On Concave Operators. Acta Math Sinica 22, 577–582 (2006). https://doi.org/10.1007/s10114-005-0687-1

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10114-005-0687-1

Keywords

MR (2000) Subject Classification

Navigation