# Ostrowski–Hadamard gap theorem

> result on the analytic continuation of lacunary power series

**Wikidata**: [Q4454910](https://www.wikidata.org/wiki/Q4454910)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ostrowski–Hadamard_gap_theorem)  
**Source**: https://4ort.xyz/entity/ostrowski-hadamard-gap-theorem