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We prove a conjecture of Artur Elezi in a generalized form suggested by Givental. Namely, our main result relates genus-0 Gromov--Witten invariants of a bundle space with such invariants of the base, provided that the fiber is a toric…

Algebraic Geometry · Mathematics 2009-01-12 Jeffrey Brown

In this paper, we propose a geometrical approach to mirror computation of genus 0 Gromov-Witten invariants of CP^2. We use multi-point virtual structure constants, which are defined as intersection numbers of a compact moduli space of quasi…

Algebraic Geometry · Mathematics 2014-05-16 Masao Jinzenji , Masahide Shimizu

We produce an equality between the Gromov-Witten invariants of the moduli space M of rank two odd degree stable vector bundles over a Riemann surface $\Sigma$ and the Donaldson invariants of the algebraic surface $\Sigma \times P^1$. We…

Algebraic Geometry · Mathematics 2007-05-23 Vicente Muñoz

Let $(X,\omega)$ be a symplectic manifold, $J$ be an $\omega$-tame almost complex structure, and $L$ be a Lagrangian submanifold. The stable compactification of the moduli space of parametrized $J$-holomorphic curves in $X$ with boundary in…

Symplectic Geometry · Mathematics 2007-05-23 Chiu-Chu Melissa Liu

This article is an elaboration of a talk given at an international conference on Operator Theory, Quantum Probability, and Noncommutative Geometry held during December~20--23, 2004, at the Indian Statistical Institute, Kolkata. The lecture…

Algebraic Geometry · Mathematics 2007-07-17 Amiya Mukherjee

We introduce a geometric refinement of Gromov-Witten invariants for $\mathbb P^1$-bundles relative to the natural fiberwise boundary structure. We call these refined invariant correlated Gromov-Witten invariants. Furthermore, we prove a…

Algebraic Geometry · Mathematics 2025-06-19 Thomas Blomme , Francesca Carocci

We describe generating functions for arbitrary-genus Gromov-Witten invariants of the projective space with any number of marked points explicitly. The structural portion of this description gives rise to uniform energy bounds and vanishing…

Algebraic Geometry · Mathematics 2019-09-04 Aleksey Zinger

The dth symmetric product of a curve of genus g is a smooth projective variety. This paper is concerned with the little quantum cohomology ring of this variety, that is, the ring having its 3-point Gromov-Witten invariants as structure…

Algebraic Geometry · Mathematics 2007-05-23 Aaron Bertram , Michael Thaddeus

We compute the $g=1, n=1$ B-model Gromov-Witten invariant of an elliptic curve E directly from the derived category D(E). More precisely, we carry out the computation of the categorical Gromov-Witten invariant defined by Costello using as…

Algebraic Geometry · Mathematics 2017-07-13 Andrei Caldararu , Junwu Tu

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

We study the cycle-valued reduced Gromov-Witten theory of a nonsingular projective K3 surface. For primitive curve classes, we prove that the correspondence induced by the reduced virtual fundamental class respects the tautological rings.…

Algebraic Geometry · Mathematics 2019-12-03 Tim-Henrik Buelles

In this paper we compute genus 0 orbifold Gromov--Witten invariants of Calabi--Yau threefold complete intersections in weighted projective stacks, regardless of convexity conditions. The traditional quantumn Lefschetz principle may fail…

Algebraic Geometry · Mathematics 2024-09-11 Felix Janda , Nawaz Sultani , Yang Zhou

We construct universal local deformations (Kuranishi families) for pairs consisting of a compact complex curve and a meromorphic 1-form. Each pair is assumed to be locally planar, a condition which in particular forces the periods of the…

Algebraic Geometry · Mathematics 2025-11-10 Emma Carberry , Martin Ulrich Schmidt

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

This article introduces the problem of finding intrinsic torsion varieties associated to G-structures on a fixed parallelizable Riemannian manifold. As an illustration, the intrinsic torsion varieties of orthogonal almost product structures…

Differential Geometry · Mathematics 2012-10-30 Georgi Mihaylov

We give a summation over graphs type formula for the permutation-equivariant K-theoretic Gromov-Witten total potential of a projective manifold X in terms of cohomological Gromov-Witten (GW) invariants of X. We achieve this by describing…

Algebraic Geometry · Mathematics 2016-09-02 Valentin Tonita

In this paper, we give a tropical method for computing Gromov-Witten type invariants of Fano manifolds of special type. This method applies to those Fano manifolds which admit toric degenerations to toric Fano varieties with singularities…

Algebraic Geometry · Mathematics 2010-01-19 Takeo Nishinou

We study moduli spaces of twisted maps to a smooth pair in arbitrary genus, and give geometric explanations for previously known comparisons between orbifold and logarithmic Gromov--Witten invariants. Namely, we study the space of twisted…

Algebraic Geometry · Mathematics 2025-01-28 Robert Crumplin

We generalize Givental's Theorem for complete intersections in smooth toric varieties in the Fano case. In particular, we find Gromov--Witten invariants of Fano varieties of dimension $\geq 3$, which are complete intersections in weighted…

Algebraic Geometry · Mathematics 2018-08-07 Victor Przyjalkowski

In [LP] the authors defined symplectic "Local Gromov-Witten invariants" associated to spin curves and showed that the GW invariants of a Kahler surface X with p_g>0 are a sum of such local GW invariants. This paper describes how the local…

Symplectic Geometry · Mathematics 2009-09-22 Junho Lee , Thomas H. Parker
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