Abstract
We prove some elementary facts about homomorphisms and infinite direct sums of nested Hilbert spaces.
Similar content being viewed by others
Literature
Grossmann, A.: Commun. Math. Phys.2, 1 (1966).
Mitchell, B.: Theory of categories, Chapter I. New York and London: Academic Press 1965.
Palais, R.: Seminar on the Atiyah-Singer Index Theorem: Chapter VIII Annals of Mathematics Studies 57. Princeton 1965.
Roberts, J. E.: Commun. Math. Phys.3, 98–119 (1966).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Grossmann, A. Homomorphisms and direct sums of nested Hilbert spaces. Commun.Math. Phys. 4, 190–202 (1967). https://doi.org/10.1007/BF01645429
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01645429