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A Fock sheaf for Givental quantization

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Title: A Fock sheaf for Givental quantization
Authors: Coates, T
Iritani, H
Item Type: Journal Article
Abstract: We give a global, intrinsic, and co-ordinate-free quantization formalism for Gromov{ Witten invariants and their B-model counterparts, which simultaneously generalizes the quantization formalisms described by Witten, Givental, and Aganagic{Bouchard{Klemm. Descendant potentials live in a Fock sheaf, consisting of local functions on Givental's Lagrangian cone that satisfy the (3 g 2)-jet condition of Eguchi{Xiong; they also satisfy a certain anomaly equation, which gen- eralizes the Holomorphic Anomaly Equation of Bershadsky{Cecotti{Ooguri{Vafa. We interpret Givental's formula for the higher-genus potentials associated to a semisimple Frobenius manifold in this setting, showing that, in the semisimple case, there is a canonical global section of the Fock sheaf. This canonical section automatically has certain modularity properties. When X is a variety with semisimple quantum cohomology, a theorem of Teleman implies that the canonical section coincides with the geometric descendant potential de ned by Gromov{Witten invariants of X . We use our formalism to prove a higher-genus version of Ruan's Crepant Transformation Conjecture for compact toric orbifolds. When combined with our earlier joint work with Jiang, this shows that the total descendant potential for compact toric orbifold X is a modular function for a certain group of autoequivalences of the derived category of X .
Issue Date: 1-Dec-2018
Date of Acceptance: 12-Dec-2016
URI: http://hdl.handle.net/10044/1/43501
DOI: 10.1215/21562261-2017-0036
ISSN: 2156-2261
Publisher: Duke University Press
Start Page: 695
End Page: 864
Journal / Book Title: Kyoto Journal of Mathematics
Volume: 58
Issue: 4
Copyright Statement: © 2018 Duke University Press
Sponsor/Funder: The Royal Society
Commission of the European Communities
The Royal Society
Funder's Grant Number: 516002.K5822/kk
240123
UF090056
Keywords: Science & Technology
Physical Sciences
Mathematics
GROMOV-WITTEN INVARIANTS
QUANTUM RIEMANN-ROCH
FROBENIUS STRUCTURES
TOPOLOGICAL STRINGS
MIRROR SYMMETRY
COHOMOLOGY
SYSTEMS
HYPERSURFACES
CONJECTURE
LEFSCHETZ
Publication Status: Published
Online Publication Date: 2018-07-27
Appears in Collections:Pure Mathematics
Faculty of Natural Sciences
Mathematics