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We construct a new compactification of the moduli space of maps from pointed nonsingular projective stable curves to a nonsingular projective variety with prescribed ramification indices at the points. It is shown to be a proper…

Algebraic Geometry · Mathematics 2011-06-01 Bumsig Kim , Andrew Kresch , Yong-Geun Oh

We compute the stable cohomology of moduli spaces of hyperelliptic curves of a fixed genus embedded on a fixed Hirzebruch surface. We also describe these moduli spaces of embedded hyperelliptic curves in terms of moduli spaces of pointed…

Algebraic Geometry · Mathematics 2025-08-11 Jonas Bergström , Angelina Zheng

We prove a version of Gromov's compactness theorem for pseudo-holomorphic curves which holds locally in the target symplectic manifold. This result applies to sequences of curves with an unbounded number of free boundary components, and in…

Symplectic Geometry · Mathematics 2014-11-11 Joel W. Fish

In this paper we study the topology of the spaces Hol(M,P{n},k) of (basepoint preserving) holomorphic maps of a given degree k from a Riemann surface M of genus g>0 into the n-th complex projective space P{n}, n>0. Using symmetric products…

alg-geom · Mathematics 2007-05-23 S. Kallel , R. J. Milgram

We present an approach to Gromov-Witten invariants that works on arbitrary (closed) symplectic manifolds. We avoid genericity arguments and take into account singular curves in the very formulation. The method is by first endowing mapping…

dg-ga · Mathematics 2008-02-03 Bernd Siebert

The moduli space of holomorphic maps from Riemann surfaces to the Grassmannian is known to have two kinds of compactifications: Kontsevich's stable map compactification and Marian-Oprea-Pandharipande's stable quotient compactification. Over…

Algebraic Geometry · Mathematics 2019-02-20 Yukinobu Toda

We calculate the homomorphism of the cohomology induced by the Krichever map of moduli spaces of curves into infinite-dimensional Grassmannian. This calculation can be used to compute the homology classes of cycles on moduli spaces of…

Mathematical Physics · Physics 2012-04-13 Jia-Ming Liou , Albert Schwarz

Our aim here is to investigate the holomorphic geometric structures on compact complex manifolds which may not be K\"ahler. We prove that holomorphic geometric structures of affine type on compact Calabi-Yau manifolds with polystable…

Differential Geometry · Mathematics 2016-02-16 Indranil Biswas , Sorin Dumitrescu

The aim of this article is to introduce invariants of oriented, smooth, closed four-manifolds, built using the Floer homology theories defined in two earlier papers (math.SG/0101206 and math.SG/0105202). This four-dimensional theory also…

Symplectic Geometry · Mathematics 2007-05-23 Peter S Ozsvath , Zoltan Szabo

Invariants for Riemann surfaces covered by the disc and for hyperbolic manifolds in general involving minimizing the measure of the image over the homotopy and homology classes of closed curves and maps of the $k$-sphere into the manifold…

Complex Variables · Mathematics 2022-06-17 Robert E. Greene , Kang-Tae Kim , Nikolay V. Shcherbina

In \cite{FOinteger}, Fukaya and Ono outlined a way of counting pseudo-holomorphic curves in a general compact symplectic manifold to obtain integer valued invariants. This paper contains the details of Fukaya and Ono's suggested…

Symplectic Geometry · Mathematics 2013-09-04 Brett Parker

In a previous paper [FT1], for any logarithmic symplectic pair (X,D) of a symplectic manifold X and a simple normal crossings symplectic divisor D, we introduced the notion of log pseudo-holomorphic curve and proved a compactness theorem…

Symplectic Geometry · Mathematics 2019-10-14 Mohammad Farajzadeh-Tehrani

We describe a geometric compactification of the moduli stack of left invariant complex structures on a fixed real Lie group or a fixed quotient. The extra points are CR structures transverse to a real foliation.

Differential Geometry · Mathematics 2024-08-30 Laurent Meersseman

Enriched curves have been studied over algebraically closed fields by Main\`o ([Mai98]) and recently over general base schemes in [BH19]. In this paper, we study enriched curves from a logarithmic viewpoint: we give a succinct definition of…

Algebraic Geometry · Mathematics 2023-05-15 Pim Spelier

We construct a compactification of the moduli spaces of abelian differentials on Riemann surfaces with prescribed zeroes and poles. This compactification, called the moduli space of multi-scale differentials, is a complex orbifold with…

Algebraic Geometry · Mathematics 2024-12-02 Matt Bainbridge , Dawei Chen , Quentin Gendron , Samuel Grushevsky , Martin Möller

The purpose of this article is to show a second main theorem with the explicit truncation level for holomorphic mappings of $ \mathbb{C} $ (or of a compact Riemann surface) into a compact complex manifold sharing divisors in subgeneral…

Complex Variables · Mathematics 2013-01-30 Do Duc Thai , Vu Duc Viet

We study the moduli spaces which classify smooth surfaces along with a complex line bundle. There are homological stability and Madsen--Weiss type results for these spaces (mostly due to Cohen and Madsen), and we discuss the cohomological…

Algebraic Topology · Mathematics 2015-01-30 Johannes Ebert , Oscar Randal-Williams

We outline the construction of invariants of Hamiltonian group actions on symplectic manifolds. These invariants can be viewed as an equivariant version of Gromov-Witten invariants. They are derived from solutions of a PDE involving the…

Symplectic Geometry · Mathematics 2007-05-23 Kai Cieliebak , Ana Rita Gaio , Dietmar A. Salamon

The aim of this paper is to classify compact, simply connected K\"ahler manifolds which admit totally geodesic, holomorphic complex homothetic foliation by curves.

Differential Geometry · Mathematics 2016-02-25 Wlodzimierz Jelonek

We define a moduli space of rational curves with finite-order automorphism and weighted orbits, and we prove that the combinatorics of its boundary strata are encoded by a particular polytopal complex that also captures the algebraic…

Algebraic Geometry · Mathematics 2022-10-11 Emily Clader , Chiara Damiolini , Daoji Huang , Shiyue Li , Rohini Ramadas
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