# Gromov-Witten invariant

## English edit

### Etymology edit

Named after Mikhail Gromov and Edward Witten.

### Noun edit

**Gromov-Witten invariant** (*plural* **Gromov-Witten invariants**)

- (mathematics) A rational number that, in certain situations, counts pseudoholomorphic curves meeting prescribed conditions in a given symplectic manifold. They have applications in string theory.