# Pontryagin duality

> duality for locally compact abelian groups

**Wikidata**: [Q1632419](https://www.wikidata.org/wiki/Q1632419)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pontryagin_duality)  
**Source**: https://4ort.xyz/entity/pontryagin-duality


## References

1. Freebase Data Dumps. 2013