Double commutant theorem

GPTKB entity

Statements (13)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:appliesTo gptkb:von_Neumann_algebras
gptkbp:author gptkb:John_von_Neumann
gptkbp:field functional analysis
operator algebras
https://www.w3.org/2000/01/rdf-schema#label Double commutant theorem
gptkbp:namedAfter commutant
gptkbp:relatedConcept gptkb:C*-algebra
commutant
gptkbp:sentence A unital *-subalgebra of B(H) is strongly closed if and only if it equals its double commutant.
gptkbp:yearProposed 1930
gptkbp:bfsParent gptkb:Von_Neumann_Algebra
gptkbp:bfsLayer 6