# Picard–Lefschetz theory

> the study of the topology of a complex manifold by looking at the critical points of a holomorphic function on the manifold

**Wikidata**: [Q7190517](https://www.wikidata.org/wiki/Q7190517)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Picard–Lefschetz_theory)  
**Source**: https://4ort.xyz/entity/picard-lefschetz-theory


## References

1. Quora
2. National Library of Israel Names and Subjects Authority File