The quantum cohomology ring of a symplectic manifold is a deformation of the usual cohomology ring over with structure constants given by the genus 0 Gromov-Witten invariants.
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Oct 23, 20241 min read
The quantum cohomology ring of a symplectic manifold X is a deformation of the usual cohomology ring over C[[H2(X)]] with structure constants given by the genus 0 Gromov-Witten invariants.