manuscripta mathematica

, Volume 17, Issue 3, pp 253–266 | Cite as

Eine Charakterisierung der Boole'schen Algebra zu einer co -direkten Zerlegung

  • Michael Tidten


In this paper nuclear Boolean Algebras of projections in a locally convex space are considered. This are Boolean Algebras with special continuity properties, which are shared, for instance, by each bounded Boolean Algebra of projections in an ℒ-space and by the algebra of each equicontinuos spectral measure in a nuclear space. It will be shown that a ℴ-complete nuclear Boolean Algebra leads to a co-direct sum of locally convex spaces and all the projections of the algebra belong to the complete algebra of projections of this co-direct partition. On the other hand if in a given locally convex space E there exists a nuclear complete Boolean Algebra of projections which has multiplicity one then each equicontinuos Boolean Algebra of projections in E is nuclear.


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Copyright information

© Springer-Verlag 1975

Authors and Affiliations

  • Michael Tidten
    • 1
  1. 1.Fachbereich Mathematik der Gesamthochschule Wuppertal56 Wuppertal 1West Germany

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