Statements (25)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:logic | 
| gptkbp:appliesTo | locally compact abelian groups | 
| gptkbp:category | duality theory | 
| gptkbp:describes | duality between a group and its character group | 
| gptkbp:field | gptkb:mathematics gptkb:topology harmonic analysis | 
| gptkbp:hasApplication | gptkb:signal_processing group theory number theory abstract harmonic analysis | 
| gptkbp:hasConcept | gptkb:dual_group gptkb:character_group | 
| gptkbp:introducedIn | 1930s | 
| gptkbp:namedAfter | gptkb:Lev_Pontryagin | 
| gptkbp:relatedTo | gptkb:Pontryagin_duality_theorem gptkb:Tannaka–Krein_duality | 
| gptkbp:result | the dual of the dual group is canonically isomorphic to the original group | 
| gptkbp:usedIn | Fourier analysis representation theory | 
| gptkbp:bfsParent | gptkb:Lev_Pontryagin gptkb:Matlis_duality gptkb:Peter–Weyl_theorem | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | Pontryagin duality |