Ruan's Conjecture on Singular symplectic flops

Abstract

We prove that the orbifold quantum ring is preserved under singular symplectic flops. Hence we verify Ruan's conjecture for this case.

34pages

References in corpus (6)

• Birational cobordism invariance of uniruled symplectic manifolds
• Virtual neighborhoods and pseudo-holomorphic curves
• Orbifold Quantum Cohomology
• The number of ramified covering of a Riemann surface by Riemann surface
• K-equivalence in Birational Geometry
• Symplectic virtual localization of Gromov-Witten invariants