Statements (52)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:algebra | 
| gptkbp:alsoKnownAs | gptkb:W*-algebras | 
| gptkbp:application | gptkb:noncommutative_geometry mathematical physics quantum mechanics | 
| gptkbp:class | gptkb:type_I type II type III | 
| gptkbp:contains | self-adjoint operators unitary operators projections | 
| gptkbp:definedIn | *-algebras of bounded operators on a Hilbert space closed in the weak operator topology and containing the identity operator | 
| gptkbp:field | functional analysis operator algebras | 
| gptkbp:hasConcept | factor trace modular theory center of a von Neumann algebra | 
| gptkbp:hasSubfield | factors Cartan subalgebras abelian von Neumann algebras finite von Neumann algebras hyperfinite II_1 factor infinite von Neumann algebras injective von Neumann algebras masa (maximal abelian self-adjoint subalgebra) type III factors type II_1 factors | 
| gptkbp:importantFor | gptkb:double_commutant_theorem | 
| gptkbp:importantMathematician | gptkb:John_von_Neumann gptkb:Francis_J._Murray | 
| gptkbp:introducedIn | 1930s | 
| gptkbp:namedAfter | gptkb:John_von_Neumann | 
| gptkbp:property | closed under adjoint operation closed in weak operator topology contains identity operator | 
| gptkbp:relatedTo | gptkb:C*-algebras gptkb:Tomita–Takesaki_theory crossed product direct integral decomposition group von Neumann algebras hyperfinite factors subfactors | 
| gptkbp:usedIn | gptkb:logic gptkb:quantum_field_theory gptkb:statistical_mechanics ergodic theory representation theory noncommutative probability | 
| gptkbp:bfsParent | gptkb:Kaplansky_density_theorem | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | von Neumann algebras |