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Geometry & Topology | 2009

Wall-crossings in toric Gromov-Witten theory I: crepant examples

Tom Coates; Hiroshi Iritani; Hsian-Hua Tseng

Let X be a Gorenstein orbifold with projective coarse moduli space X and let Y be a crepant resolution of X . We state a conjecture relating the genus-zero Gromov‐ Witten invariants of X to those of Y , which differs in general from the Crepant Resolution Conjectures of Ruan and Bryan‐Graber, and prove our conjecture when XD P.1;1;2/ and XD P.1;1;1;3/. As a consequence, we see that the original form of the Bryan‐Graber Conjecture holds for P.1;1;2/ but is probably false for P.1;1;1;3/. Our methods are based on mirror symmetry for toric orbifolds. 53D45; 14N35, 83E30


Compositio Mathematica | 2015

A mirror theorem for toric stacks

Tom Coates; Alessio Corti; Hiroshi Iritani; Hsian-Hua Tseng

We prove a Givental-style mirror theorem for toric Deligne–Mumford stacks


arXiv: Algebraic Geometry | 2014

Mirror Symmetry and Fano Manifolds

Tom Coates; Alessio Corti; Sergey Galkin; Vasily Golyshev; Alexander M. Kasprzyk

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Geometry & Topology | 2016

Quantum periods for 3-dimensional Fano manifolds

Tom Coates; Alessio Corti; Sergey Galkin; Alexander M. Kasprzyk

. This determines the genus-zero Gromov–Witten invariants of


Symmetry Integrability and Geometry-methods and Applications | 2012

Minkowski Polynomials and Mutations

Mohammad Akhtar; Tom Coates; Sergey Galkin; Alexander M. Kasprzyk

{\mathcal{X}}


Advances in Mathematics | 2018

The Crepant Transformation Conjecture for toric complete intersections

Tom Coates; Hiroshi Iritani; Yunfeng Jiang

in terms of an explicit hypergeometric function, called the


Communications in Mathematical Physics | 2009

On the Crepant Resolution Conjecture in the Local Case

Tom Coates

I


Kyoto Journal of Mathematics | 2018

A Fock sheaf for Givental quantization

Tom Coates; Hiroshi Iritani

-function, that takes values in the Chen–Ruan orbifold cohomology of


arXiv: Algebraic Geometry | 2015

Four-dimensional Fano toric complete intersections.

Tom Coates; Alexander M. Kasprzyk; Thomas Prince

{\mathcal{X}}


Mathematical Research Letters | 2012

The quantum Lefschetz hyperplane principle can fail for positive orbifold hypersurfaces

Tom Coates; Amin Gholampour; Hiroshi Iritani; Yunfeng Jiang; Paul Johnson; Cristina Manolache

.

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