# Littlewood's 4/3 inequality

> inequality that holds for every complex-valued bilinear form defined on the Banach space of scalar sequences that converge to zero

**Wikidata**: [Q25100274](https://www.wikidata.org/wiki/Q25100274)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Littlewood's_4/3_inequality)  
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