Skip to main content
Log in

Generalized Toeplitz Kernels and dilations of intertwining operators

  • Published:
Integral Equations and Operator Theory Aims and scope Submit manuscript

Abstract

It is shown that the basic properties of the so called (operator-valued) generalized Toeplitz Kernels, [5], allow to derive in a unified and natural way different results concerning the dilation of operators, such as the lifting theorem of Nagy-Foias and corresponding unicity conditions.

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. V.M.Adamjan, D.Z.Arov and M.G.Krein, "Infinite Hankel matrice and generalized Carathéodory-Fejer and Schur problems", Funct. Anal. and Appl. 2 (1968), 1–17.

    Google Scholar 

  2. Idem, "Analytic properties of Schmidt pairs for a Hankel operator and the generalized Schur-Takaji problem", Mat. Sb. 15 (1971), 31–73.

  3. Idem, "Infinite Hankel blockmatrices and related continuation problems", Izv.Akad.Nauk.Armjan.SSr Se.Mat.6 (1971), 87–112.

  4. T. Ando, Z.Ceausescu and C. Foias, "On intertwining dilations. II", Acta Sc.Math. 39 (1977), 3–14.

    Google Scholar 

  5. R.Arocena and M.Cotlar, "Dilation of Generalized Toeplitz Kernels and some vectorial moment and weighted problems", Lecture Notes in Math. 908 (1982), 169–188.

    Google Scholar 

  6. R.Arocena, "On Generalized Toeplitz Kernels and their relation with a paper of Adamjan, Arov and Krein", to appear in "Functional Analysis, Holomorphy and Approximation Theory", North Holland.

  7. R.Arocena, "On the parametrization of Adamjan, Arov and Krein", to appear in "Publ. Math. d'Orsay".

  8. G.Arsene, Z.Ceausescu and C.Foias, "On intertwining dilations. VII", INCREST preprint series in Math', no 28, 1978.

  9. Z.Ceausescu and C.Foias, "On intertwining dilations. V", Acta Sci. Math 40 (1978), 9–32.

    Google Scholar 

  10. M.Cotlar and C.Sadosky, "On the Helson-Szegö theorem and a related class of modified Toeplitz Kernels", Proc.Symp. Pure Math. AMS 35:I (1979), 383–407.

    Google Scholar 

  11. B.Sz.-Nagy, "Unitary dilations of Hilbert space operators and related topics", CBMS Regional Conf.Ser.Math. No 19, AMS, Providence, R.I., 1974.

    Google Scholar 

  12. B.Sz.- Nagy and C.Foias, "Analyse Harmonique des Opérateurs de l.espace de Hilbert", Masson-Akad, Kiadó, París-Budapest, 1967.

    Google Scholar 

  13. Idem, "Dilation des commutants d' opérateurs", C.R. Acad. Sc. Paris Sér.A 266 (1968), 493–495.

    Google Scholar 

  14. C.Foias, "Contractive Intertwining Dilations and Waves in Layered Media", Proc. Int. Congress of Math., Helsinki (1978).

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Arocena, R. Generalized Toeplitz Kernels and dilations of intertwining operators. Integr equ oper theory 6, 759–778 (1983). https://doi.org/10.1007/BF01691923

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01691923

Keywords

Navigation