Skip to main content
Log in

Invariant subspaces for sequentially subdecomposable operators

  • Published:
Science in China Series A: Mathematics Aims and scope Submit manuscript

Abstract

In this paper, using Brown technique, we prove the Mohebi-Radjabalipour Conjecture by strengthening a slight thickness condition of the spectrum, and obtain some invariant subspace theorems. Our result contains an important known invariant subspace theorem as special cases.

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. Halmos, P. R., A Hilbert Space Problem Book, Berlin-Heidelberg-New York: Springer-Verlag, 1982.

    MATH  Google Scholar 

  2. Albrecht, E., Chevreau, B., Invariant subspaces for lp-operators having Bishop’s property (γ) on a large part of their spectrum, J. Operator Theory, 1987, 18: 339–372.

    MATH  MathSciNet  Google Scholar 

  3. Apostol, C., The spectral flavour of Scott Brown’s techniques, J. Operator Theory, 1981, 6: 3–12.

    MATH  MathSciNet  Google Scholar 

  4. Aronszajn, N., Smith, K. T., Invariant subspaces of completely continuous operators, Ann. of Math., 1954, 60: 345–350.

    Article  MathSciNet  Google Scholar 

  5. Brown, S., Some invariant subspaces for subnormal operators, Integr. Equat. Oper. Th., 1978, 1: 310–333.

    Article  MATH  Google Scholar 

  6. Brown, S., Hyponormal operators with thick spectra have invariant subspaces, Ann. of Math., 1987, 125: 93–103.

    Article  MathSciNet  Google Scholar 

  7. Brown, S., Chevreau, B., Pearcy, C., Contractions with rich spectrum have invariant subspaes, J. Operator Theory, 1979, 1: 123–136.

    MATH  MathSciNet  Google Scholar 

  8. Eschmeier, J., Operators with rich invariant subspace lattices, J. Reine Angew Math., 1989, 396: 41–69.

    MATH  MathSciNet  Google Scholar 

  9. Eschmeier, J., Bishop’s condition (γ) and joint invariant subspaces, J. Reine Angew Math., 1992, 426: 1–22.

    MATH  MathSciNet  Google Scholar 

  10. Eschmeier, J., Prunaru, B., Invariant subspaces for operators with Bishop’s property (γ) and thick spectrum, J. Funt. Anal., 1990, 94: 196–222.

    Article  MATH  MathSciNet  Google Scholar 

  11. Kerchy, L., Hyperinvariant subspaces of operators whith non-vanishing orbits, Proc. Amer. Math. Soc., 1999, 127: 1363–1370

    Article  MATH  MathSciNet  Google Scholar 

  12. Liu, M., On invariant subspaces for perturbations of decomposable operators, Acta Anal. Funct. Appl., 1999, 1. 199–204.

    MATH  MathSciNet  Google Scholar 

  13. Liu, M., On the Mohebi-Radjabalipour conjecture, Viet J. Math., 2001, 29: 19–25.

    MATH  Google Scholar 

  14. Liu, M., Invariant subspace lattices for sequentially subdecomposable operators, Chinese Ann. Math. (in Chinese), Series A, 2001, 22: 343–348.

    MATH  Google Scholar 

  15. Lomonosov, V., Invariant subspaces for the family of operators which commute with a completely continuous operator, Funkcional. Anal. Appl., 1973, 7: 213–214.

    Article  MATH  MathSciNet  Google Scholar 

  16. Mohebi, H., Radjabalipour M., Scott Brown’s techniques for perturbations of decomposable operators, Integr. Equat. Oper. Th., 1994, 18: 222–241.

    Article  MATH  MathSciNet  Google Scholar 

  17. Mohebi, M., A nature representation for the operator algebra AlgLatT, Arch. Math., 1995, 65: 255–262.

    Article  MATH  MathSciNet  Google Scholar 

  18. Pearcy, C., Some Recent Developments in Operator Theory, C. B. M. S. Regional Conference Series in Math., No. 36, Providence, RI: Amer. Math. Soc., 1978.

  19. Singer, I., Bases in Banach Spaces II, Berlin-Heidelberg-New York: Springer-Verlag, 1981.

    MATH  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Liu, M. Invariant subspaces for sequentially subdecomposable operators. Sci. China Ser. A-Math. 46, 433–439 (2003). https://doi.org/10.1007/BF02884015

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02884015

Keywords

Navigation