Article PDF
Use our pre-submission checklist
Avoid common mistakes on your manuscript.
References
Beurling, A., On two problems concerning linear transformations in Hilbert space. Acta Mathem.81 (1949), 239–255.
Hamburger, H. L., Five notes on a generalization of quasi-nilpotent transformations in Hilbert space. Proc. London Math. Soc. (3)1 (1951), 494–512.
Rights and permissions
About this article
Cite this article
Asplund, E. A non-closed relative spectrum. Ark. Mat. 3, 425–427 (1958). https://doi.org/10.1007/BF02589496
Issue Date:
DOI: https://doi.org/10.1007/BF02589496