Singularities, mirror symmetry, and the gauged linear sigma model: Summer School, Crossing the walls in enumerative geoemetry, May 21 - June 1, 2018, Snowbird, Utah

This volume contains the proceedings of the workshop Crossing the Walls in Enumerative Geometry, held in May 2018 at Snowbird, Utah. It features a collection of both expository and research articles about mirror symmetry, quantized singularity theory (FJRW theory), and the gauged linear sigma model....

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Weitere Verfasser: Jarvis, Tyler Jamison 1966- (HerausgeberIn), Priddis, Nathan C. 1983- (HerausgeberIn)
Format: Elektronisch E-Book
Sprache:English
Veröffentlicht: Providence, Rhode Island American Mathematical Society [2021]
Schriftenreihe:Contemporary mathematics / American Mathematical Society volume 763
Online-Zugang:DE-19
DE-355
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Zusammenfassung:This volume contains the proceedings of the workshop Crossing the Walls in Enumerative Geometry, held in May 2018 at Snowbird, Utah. It features a collection of both expository and research articles about mirror symmetry, quantized singularity theory (FJRW theory), and the gauged linear sigma model.Most of the expository works are based on introductory lecture series given at the workshop and provide an approachable introduction for graduate students to some fundamental topics in mirror symmetry and singularity theory, including quasimaps, localization, the gauged linear sigma model (GLSM), virtual classes, cosection localization, p-fields, and Saito's primitive forms. These articles help readers bridge the gap from the standard graduate curriculum in algebraic geometry to exciting cutting-edge research in the field.The volume also contains several research articles by leading researchers, showcasing new developments in the field
Cover -- Title page -- Contents -- Preface -- Quasimaps and some examples of stacks for everybody -- 1. Introduction -- 2. Motivation for the study of quasimaps -- 3. Quotients in algebraic geometry -- 4. Quasimaps -- 5. Stability and moduli spaces of quasimaps -- 6. Virtual cycles via perfect obstruction theories -- 7. Quasimap -functions -- 8. A formula for the -function -- References -- Introduction to the gauged linear sigma model -- 1. Preliminaries on orbifolds and Gromov-Witten theory -- 2. Fan-Jarvis-Ruan-Witten theory -- 3. The Landau-Ginzburg/Calabi-Yau correspondence -- 4. The hybrid model and the GLSM -- 5. Wall-crossing and the proof of the LG/CY correspondence -- References -- Localization and mirror symmetry -- 0. Introduction -- 1. Equivariant cohomology and localization -- 2. Fan-Jarvis-Ruan-Witten theory of the quintic threefold -- 3. Proof of the Fan-Jarvis-Ruan-Witten mirror theorem -- 4. Gromov-Witten theory of the quintic threefold -- 5. Proof of the Gromov-Witten mirror theorem -- Acknowledgments -- References -- A brief introduction to cosection localization and -fields -- 1. Introduction -- 2. Virtual cycles, obstruction theory (local), and normal cones -- 3. Virtual cycles via intrinsic normal cone (global) -- 4. Cosection localization -- 5. -fields and applications -- Acknowledgments -- References -- Virtual classes for hypersurfaces via two-periodic complexes -- Introduction -- 1. The zero locus of a section -- 2. Stable maps to projective space -- 3. Stable maps to a hypersurface -- 4. Technical assumptions and the "two-step procedure" -- 5. Conclusions and further directions -- Acknowledgments -- References -- Localized Chern characters for 2-periodic complexes and virtual cycles -- 1. Introduction -- 2. Localized Chern characters for 2-periodic complexes -- 3. Virtual fundamental classes
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Beschreibung:1 Online-Ressource (x,203 Seiten)
ISBN:9781470464196
DOI:10.1090/conm/763

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