Statements (13)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:mathematical_concept
|
gptkbp:appliesTo |
gptkb:Hilbert_spaces
|
gptkbp:concerns |
basis in Hilbert space
orthonormal systems |
gptkbp:field |
functional analysis
|
https://www.w3.org/2000/01/rdf-schema#label |
Bari's theorem
|
gptkbp:namedAfter |
gptkb:Nina_Bari
|
gptkbp:relatedTo |
orthonormal basis
Riesz basis |
gptkbp:state |
A complete minimal system in a Hilbert space is a basis if and only if it is both a Bessel system and a frame.
|
gptkbp:yearProposed |
1951
|
gptkbp:bfsParent |
gptkb:Soviet_school_of_topology
|
gptkbp:bfsLayer |
8
|