A universal mirror to $(\mathbb{P}^2, Ω)$ as a birational object

Fuente: arXiv
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Autori principali: Keating, Ailsa, Ward, Abigail
Natura: Preprint
Pubblicazione: 2024
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author Keating, Ailsa
Ward, Abigail
author_facet Keating, Ailsa
Ward, Abigail
contents We study homological mirror symmetry for $(\mathbb{P}^2, Ω)$ viewed as an object of birational geometry, with $Ω$ the standard meromorphic volume form. First, we construct universal objects on the two sides of mirror symmetry, focusing on the exact symplectic setting: a smooth complex scheme $U_\mathrm{univ}$ and a Weinstein manifold $M_\mathrm{univ}$, both of infinite type; and we prove homological mirror symmetry for them. Second, we consider autoequivalences. We prove that automorphisms of $U_\mathrm{univ}$ are given by a natural discrete subgroup of $\operatorname{Bir} (\mathbb{P}^2, \pm Ω)$; and that all of these automorphisms are mirror to symplectomorphisms of $M_\mathrm{univ}$. We conclude with some applications.
format Preprint
id arxiv_https___arxiv_org_abs_2408_03764
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle A universal mirror to $(\mathbb{P}^2, Ω)$ as a birational object
Keating, Ailsa
Ward, Abigail
Symplectic Geometry
Algebraic Geometry
We study homological mirror symmetry for $(\mathbb{P}^2, Ω)$ viewed as an object of birational geometry, with $Ω$ the standard meromorphic volume form. First, we construct universal objects on the two sides of mirror symmetry, focusing on the exact symplectic setting: a smooth complex scheme $U_\mathrm{univ}$ and a Weinstein manifold $M_\mathrm{univ}$, both of infinite type; and we prove homological mirror symmetry for them. Second, we consider autoequivalences. We prove that automorphisms of $U_\mathrm{univ}$ are given by a natural discrete subgroup of $\operatorname{Bir} (\mathbb{P}^2, \pm Ω)$; and that all of these automorphisms are mirror to symplectomorphisms of $M_\mathrm{univ}$. We conclude with some applications.
title A universal mirror to $(\mathbb{P}^2, Ω)$ as a birational object
topic Symplectic Geometry
Algebraic Geometry
url https://arxiv.org/abs/2408.03764