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Homological mirror symmetry for higher-dimensional pairs of pants

Part of: Surfaces and higher-dimensional varieties Symplectic geometry, contact geometry (Co)homology theory

Published online by Cambridge University Press:  18 June 2020

Yankı Lekili  and
Alexander Polishchuk
Yankı Lekili
Affiliation:
King’s College London, LondonWC2R 2LS, UK email yanki.lekili@kcl.ac.uk
Alexander Polishchuk
Affiliation:
University of Oregon, National Research University Higher School of Economics, USA Korea Institute for Advanced Study, South Korea email apolish@uoregon.edu
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Abstract

Using Auroux’s description of Fukaya categories of symmetric products of punctured surfaces, we compute the partially wrapped Fukaya category of the complement of $k+1$ generic hyperplanes in $\mathbb{CP}^{n}$, for $k\geqslant n$, with respect to certain stops in terms of the endomorphism algebra of a generating set of objects. The stops are chosen so that the resulting algebra is formal. In the case of the complement of $n+2$ generic hyperplanes in $\mathbb{C}P^{n}$ ($n$-dimensional pair of pants), we show that our partial wrapped Fukaya category is equivalent to a certain categorical resolution of the derived category of the singular affine variety $x_{1}x_{2}\ldots x_{n+1}=0$. By localizing, we deduce that the (fully) wrapped Fukaya category of the $n$-dimensional pair of pants is equivalent to the derived category of $x_{1}x_{2}\ldots x_{n+1}=0$. We also prove similar equivalences for finite abelian covers of the $n$-dimensional pair of pants.

Keywords

homological mirror symmetrypartially wrapped Fukaya categorysymmetric products of surfaceshigher-dimensional pairs of pantsmodules over non-commutative orders

MSC classification

Primary: 14J33: Mirror symmetry
Secondary: 14F05: Sheaves, derived categories of sheaves and related constructions 53D37: Mirror symmetry, symplectic aspects; homological mirror symmetry; Fukaya category
Type
Research Article
Information
Compositio Mathematica , Volume 156 , Issue 7 , July 2020 , pp. 1310 - 1347
Copyright
© The Authors 2020

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