Skip to main content
SpringerLink
Log in

On a class of normaloid operators

  • Published:
Mathematische Zeitschrift Aims and scope Submit manuscript

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

Access this article

Log in via an institution

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

Instant access to the full article PDF.

Institutional subscriptions

References

  1. Berberian, S. K.: The numerical range of an operator. Duke math. J.33, 479–483 (1964).

    Google Scholar 

  2. Björck, G., Thomée, V.: A property of bounded normal operators in Hilbert space. Ark. Mat.4, N. 43, 551–555 (1963).

    Google Scholar 

  3. Durszt, E.: Remark on a paper of S. K. Berberian. Duke math. J.35, 795–796 (1966).

    Google Scholar 

  4. Hildebrandt, S.: Über den Numerischen Wertebereich eines Operators. Math. Ann.164, 230–247 (1966).

    Google Scholar 

  5. Orland, G. H.: On a class of operators. Proc. Amer. Math. Soc.15, 75–79 (1964).

    Google Scholar 

  6. Wintner, A.: Zur Theorie de beschränkten Bilinearformen. Math. Z.30, 228–282 (1929).

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Institut de Mathématique, Calea Grivitei, 21, Bucarest 12, Rumänien

    Vasile I. Istrătescu

Authors
  1. Vasile I. Istrătescu
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Istrătescu, V.I. On a class of normaloid operators. Math Z 124, 199–202 (1972). https://doi.org/10.1007/BF01110797

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01110797

Search

Navigation