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This article is the second part of the article we promised to write at the end of Section 1 of [FOOO15] (arXiv:1209.4410). (Part I appeared in [Part I] (arXiv:1503.07631).) We discuss the foundation of the virtual fundamental chain and…

Symplectic Geometry · Mathematics 2017-04-07 Kenji Fukaya , Yong-Geun Oh , Hiroshi Ohta , Kaoru Ono

This is an expository article on the theory of Kuranishi structure and is based on a series of pdf files we uploaded for the discussion of the google group named `Kuranishi' (with its administrator H. Hofer). There we replied to several…

Symplectic Geometry · Mathematics 2012-09-21 Kenji Fukaya , Yong-Geun Oh , Hiroshi Ohta , Kaoru Ono

This is the first of two articles in which we provide detailed and self-contained account of the construction of a system of Kuranishi structures on the moduli spaces of pseudo holomorphic disks, using the exponential decay estimate given…

Symplectic Geometry · Mathematics 2024-03-07 Kenji Fukaya , Yong-Geun Oh , Hiroshi Ohta , Kaoru Ono

A Kuranishi space is a topological space with a Kuranishi structure, defined by Fukaya and Ono. Kuranishi structures occur naturally on moduli spaces of J-holomorphic curves in symplectic geometry. This paper is a brief introduction to the…

Symplectic Geometry · Mathematics 2008-10-22 Dominic Joyce

This is the second of a series of two articles in which we provide detailed and self-contained account of the construction of a system of Kuranishi structures on the moduli spaces of pseudo holomorphic disks. Using the notion of obstruction…

Symplectic Geometry · Mathematics 2024-02-16 Kenji Fukaya , Yong-Geun Oh , Hiroshi Ohta , Kaoru Ono

A Kuranishi space is a topological space with a Kuranishi structure, defined by Fukaya and Ono. Kuranishi structures occur naturally on moduli spaces of J-holomorphic curves in symplectic geometry. Let Y be an orbifold and R a commutative…

Symplectic Geometry · Mathematics 2008-10-22 Dominic Joyce

This article serves a few purposes. First of all, it reviews polyfold--Kuranishi correspondence I (http://arxiv.org/abs/1402.7008) and previews and samples some results from four papers I have been preparing. It is also a written-up and…

Symplectic Geometry · Mathematics 2015-10-26 Dingyu Yang

In this paper, we define the virtual fundamental cycle of a global Kuranishi chart as an element in the (analytic) orbispace K-homology of the virtual orbifold and verify that it defines the same invariants as those in \cite{Abouzaid23}.

Symplectic Geometry · Mathematics 2025-02-12 Dun Tang

In this expository manuscript, we review the construction of Gromov-Witten virtual fundamental class via FOOO's theory of Kuranishi structures for moduli spaces of pseudo-holomorphic maps defined on closed Riemann surfaces. We consider…

Symplectic Geometry · Mathematics 2017-01-27 Mohammad Farajzadeh Tehrani , Kenji Fukaya

Kuranishi structures were introduced in the 1990s by Fukaya and Ono for the purpose of assigning a virtual cycle to moduli spaces of pseudoholomorphic curves that cannot be regularized by geometric methods. Their core idea was to build such…

Symplectic Geometry · Mathematics 2018-03-16 Dusa McDuff , Katrin Wehrheim

Kuranishi structures were introduced in the 1990s by Fukaya and Ono for the purpose of assigning a virtual cycle to moduli spaces of pseudoholomorphic curves that cannot be regularized by geometric methods. Their core idea was to build such…

Symplectic Geometry · Mathematics 2015-08-12 Dusa McDuff , Katrin Wehrheim

We construct the Kuranishi spaces, or in other words, the versal deformations, for the following classes of connections with fixed divisor of poles $D$: all such connections, as well as for its subclasses of integrable, integrable…

Algebraic Geometry · Mathematics 2010-10-11 Francois-Xavier Machu

Kuranishi structures were introduced in the 1990s by Fukaya and Ono for the purpose of assigning a virtual cycle to moduli spaces of pseudoholomorphic curves that cannot be regularized by geometric methods. Starting from the same core idea…

Symplectic Geometry · Mathematics 2017-06-28 Dusa McDuff , Katrin Wehrheim

This paper constructs a Kuranishi structure for the moduli stack of holomorphic curves in exploded manifolds. To avoid some technicalities of abstract Kuranishi structures, we embed our Kuranishi structure inside an ambient moduli stack of…

Symplectic Geometry · Mathematics 2025-09-10 Brett Parker

These notes aim to explain a joint project with Katrin Wehrheim that uses finite dimensional reductions to construct a virtual fundamental class for the Gromov--Witten moduli space of closed genus zero curves. Our method is based on work by…

Symplectic Geometry · Mathematics 2016-09-27 Dusa McDuff

We introduce a category of Kuranishi presentations, whose objects are a variant of the Kuranishi structures introduced by Fukaya and Ono, and which can be seen as a refinement of the version studied by Pardon. We then formulate the notion…

Symplectic Geometry · Mathematics 2022-11-24 Mohammed Abouzaid

We construct symplectic field theory in general case completely. We use Kuranishi theory for the construction. For the construction of the Kuranishi neighborhood of a holomorphic building of genus $>0$, we introduce a new space which…

Symplectic Geometry · Mathematics 2018-08-22 Suguru Ishikawa

This is the first paper in a series which proposes and develops the polyfold Fredholm structure--Kuranishi structure correspondence, identifying these two abstract perturbative structures which are indispensable for constructing and…

Symplectic Geometry · Mathematics 2014-03-04 Dingyu Yang

We develop techniques for defining and working with virtual fundamental cycles on moduli spaces of pseudo-holomorphic curves which are not necessarily cut out transversally. Such techniques have the potential for applications as foundations…

Symplectic Geometry · Mathematics 2016-05-04 John Pardon

A theory of principal bundles possessing quantum structure groups and classical base manifolds is presented. Structural analysis of such quantum principal bundles is performed. A differential calculus is constructed, combining differential…

q-alg · Mathematics 2009-10-28 Mico Durdevic
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