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We construct and study the reduced, relative, genus one Gromov--Witten theory of very ample pairs. These invariants form the principal component contribution to relative Gromov--Witten theory in genus one and are relative versions of…

Algebraic Geometry · Mathematics 2022-09-22 Luca Battistella , Navid Nabijou , Dhruv Ranganathan

Consequences of the Toda equations arising from the conjectural matrix model for the Riemann sphere are investigated. The Toda equations determine the Gromov-Witten descendent potential (including all genera) of the Riemann sphere from the…

Algebraic Geometry · Mathematics 2007-05-23 R. Pandharipande

We prove results concerning the behavior of Hodge ideals under restriction to hypersurfaces or fibers of morphisms, and addition. The main tool is the description of restriction functors for mixed Hodge modules by means of the…

Algebraic Geometry · Mathematics 2017-01-18 Mircea Mustata , Mihnea Popa

We present an overview of Gromov-Witten theory and its links with string theory compactifications, focussing on the GW potential as the generating function for topological string amplitudes at genus $g$. Restricting to Calabi-Yau target…

High Energy Physics - Theory · Physics 2007-05-23 Daniel Grunberg

Based on the duality between open-string theory on noncompact Calabi-Yau threefolds and Chern-Simons theory on three manifolds, M Marino and C Vafa conjectured a formula of one-partition Hodge integrals in term of invariants of the unknot…

Algebraic Geometry · Mathematics 2009-03-13 Chiu-Chu Melissa Liu

Virasoro constraint is the operator algebra version of one-loop equation for a Hermitian one-matrix model, and it plays an important role in solving the model. We construct the realization of the Virasoro constraint from the Conformal Field…

Mathematical Physics · Physics 2014-09-29 Xiang-Mao Ding , Yuping Li , Lingxian Meng

Let X be a Gorenstein orbifold and let Y be a crepant resolution of X. We state a conjecture relating the genus-zero Gromov--Witten invariants of X to those of Y, which differs in general from the Crepant Resolution Conjectures of Ruan and…

Algebraic Geometry · Mathematics 2014-11-11 Tom Coates , Hiroshi Iritani , Hsian-Hua Tseng

We present a general and comprehensive overview of recent developments in the theory of integral models of Shimura varieties of Hodge type. The paper covers the following topics: construction of integral models, their possible moduli…

Number Theory · Mathematics 2008-08-12 Adrian Vasiu

We develop a class of uniformizations for certain weight 3 variations of Hodge structure (VHS). The analytic properties of the VHS are used to establish a conjecture of Eskin, Kontsevich, M\"oller, and Zorich on Lyapunov exponents.…

Algebraic Geometry · Mathematics 2022-08-25 Simion Filip

Using obstruction bundles, composition law and the localization formula, we compute certain 3-point genus-0 Gromov-Witten invariants of the Hilbert scheme of 3-points on the complex projective plane. Our results partially verify Ruan's…

Algebraic Geometry · Mathematics 2016-09-07 Dan Edidin , Wei-Ping Li , Zhenbo Qin

Following our reformulation of sheaf-theoretic Virasoro constraints with applications to curves and surfaces joint with Lim-Moreira, I describe in the present work the quiver analog. After phrasing a universal approach to Virasoro…

Algebraic Geometry · Mathematics 2024-04-03 Arkadij Bojko

M.Kazarian and S.Lando found a 1-parametric interpolation between Kontsevich and Hurwitz partition functions, which entirely lies within the space of KP tau-functions. V.Bouchard and M.Marino suggested that this interpolation satisfies some…

High Energy Physics - Theory · Physics 2009-02-12 A. Mironov , A. Morozov

This paper classifies separated bounding pairs for Lagrangian submanifolds that are homologically trivial inside the ambient space, under the assumption that restriction on cohomology from the ambient space to the Lagrangian is surjective.…

Symplectic Geometry · Mathematics 2023-12-01 Sara B. Tukachinsky

We propose an intersection-theoretic method to reduce questions in genus zero logarithmic Gromov-Witten theory to questions in the Gromov-Witten theory of smooth pairs, in the presence of positivity. The method is applied to the enumerative…

Algebraic Geometry · Mathematics 2022-01-25 Navid Nabijou , Dhruv Ranganathan

In this article, we construct the reduced genus-two Gromov-Witten invariants for certain almost K\"{a}hler manifold $(X, \omega, J)$ such that $J$ is integrable and satisfies some regularity conditions. In particular, the standard…

Symplectic Geometry · Mathematics 2009-03-05 Wei Wang

In the Gromov-Witten theory of a target curve we consider descendent integrals against the virtual fundamental class relative to the forgetful morphism to the moduli space of curves. We show that cohomology classes obtained in this way lie…

Algebraic Geometry · Mathematics 2021-03-30 Felix Janda

This is the first of two papers which construct a purely algebraic counterpart to the theory of Gromov-Witten invariants (at all genera). These Gromov-Witten type invariants depend on a Calabi-Yau A-infinity category, which plays the role…

Quantum Algebra · Mathematics 2007-05-23 Kevin J. Costello

Inspired by Eynard-Orantin topological recursions, we reformulate the Virasoro constraints for curves as residues of multilinear differentials. As applications they can be used to compute the $n$-point functions of Gromov-Witten invariants…

Mathematical Physics · Physics 2020-09-03 Jian Zhou

We study the Hodge theory of twisted derived categories and its relation to the period-index problem. Our main contribution is the development of a theory of twisted Mukai structures for topologically trivial Brauer classes on arbitrary…

Algebraic Geometry · Mathematics 2022-12-22 James Hotchkiss

We study the Virasoro constraints for moduli spaces of representations of quiver with relations by Joyce's vertex algebras. Using the framed Virasoro constraints, we construct a representation of half of the Virasoro algebra on the…

Algebraic Geometry · Mathematics 2024-03-26 Woonam Lim , Miguel Moreira
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