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The study of open/closed string duality and large $N$ duality suggests a Gromov-Witten theory for conifolds that sits on the border of both a closed Gromov-Witten theory and an open Gromov-Witten theory. In this work we employ the result of…

Algebraic Geometry · Mathematics 2007-05-23 Chien-Hao Liu , Shing-Tung Yau

We give an interpretation of the Omega deformed B-model that leads naturally to the generalized holomorphic anomaly equations. Direct integration of the latter calculates topological amplitudes of four dimensional rigid N=2 theories…

High Energy Physics - Theory · Physics 2015-05-30 Min-xin Huang , Amir-Kian Kashani-Poor , Albrecht Klemm

In this paper we identify the problem of equivariant vortex counting in a $(2,2)$ supersymmetric two dimensional quiver gauged linear sigma model with that of computing the equivariant Gromov-Witten invariants of the GIT quotient target…

High Energy Physics - Theory · Physics 2019-12-06 Giulio Bonelli , Antonio Sciarappa , Alessandro Tanzini , Petr Vasko

We study the enumerative geometry of stable maps to Calabi-Yau 5-folds $Z$ with a group action preserving the Calabi-Yau form. In the central case $Z=X \times \mathbb{C}^2$, where $X$ is a Calabi-Yau 3-fold with a group action scaling the…

Algebraic Geometry · Mathematics 2024-10-02 Andrea Brini , Yannik Schuler

In this note we prove an equivariant version of a result of Cartan for equivariant simplicial cohomology with local coefficients.

Algebraic Topology · Mathematics 2010-03-19 Debasis Sen

We consider the generating function (prepotential) for Gromov-Witten invariants of rational elliptic surface. We apply the local mirror principle to calculate the prepotential and prove a certain recursion relation, holomorphic anomaly…

High Energy Physics - Theory · Physics 2008-11-26 S. Hosono , M. -H. Saito , A. Takahashi

We show that every 3-dimensional affine normal quasihomogeneous $SL(2)$-variety has an equivariant resolution of singularities given by an invariant Hilbert scheme. This article treats the case where such $SL(2)$-variety is toric. The…

Algebraic Geometry · Mathematics 2018-09-06 Ayako Kubota

Let X=G/P be a homogeneous space and e_k be the class of a simple coroot in H_2(X). A theorem of Strickland shows that for almost all X, the variety of pointed lines of degree e_k, denoted Z_k(X), is again a homogeneous space. For these X…

Algebraic Geometry · Mathematics 2013-04-23 Changzheng Li , Leonardo C. Mihalcea

Let $G$ be a product of unitary groups and let $(M,\omega)$ be a compact symplectic manifold with Hamiltonian $G$-action. We prove an equivariant formality result for any complex-oriented cohomology theory $\mathbb{E}^*$ (in particular,…

Symplectic Geometry · Mathematics 2024-05-24 Shaoyun Bai , Daniel Pomerleano

We construct a fully equivariant correspondence between Gromov-Witten and stable pairs descendent theories for toric 3-folds X. Our method uses geometric constraints on descendents, A_n surfaces, and the topological vertex. The rationality…

Algebraic Geometry · Mathematics 2014-12-17 R. Pandharipande , A. Pixton

We construct a derived variant of Emerton's eigenvarieties using the locally analytic representation theory of $p$-adic groups. The main innovations include comparison and exploitation of two homotopy equivalent completed complexes…

Number Theory · Mathematics 2022-10-18 Weibo Fu

We study quotients of quasi-affine schemes by unipotent groups over fields of characteristic 0. To do this, we introduce a notion of stability which allows us to characterize exactly when a principal bundle quotient exists and, together…

Algebraic Geometry · Mathematics 2007-10-19 Aravind Asok , Brent Doran

By a $B$-regular variety, we mean a smooth projective variety over $C$ admitting an algebraic action of the upper triangular Borel subgroup $B \subset SL_2(C)$ such that the unipotent radical in $B$ has a unique fixed point. A result of M.…

Algebraic Geometry · Mathematics 2008-09-09 James B. Carrell , Kiumars Kaveh

Building off of many recent advances in the subject by many different researchers, we describe a picture of A-equivariant chromatic homotopy theory which mirrors the now classical non-equivariant picture of Morava, Miller-Ravenel-Wilson,…

Algebraic Topology · Mathematics 2025-05-06 Mark Behrens , Jack Carlisle

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 extend B. Hassett's theory of weighted stable pointed curves ([Has03]) to weighted stable maps. The space of stability conditions is described explicitly, and the wall-crossing phenomenon studied. This can be considered as a non-linear…

Algebraic Geometry · Mathematics 2012-04-06 Arend Bayer , Yuri I. Manin

We study equivariant Gromov-Witten invariants and quantum cohomology in GKM theory. Building on the localization formula, we prove that the resulting expression is independent of the choice of compatible connection, and provide an…

Algebraic Geometry · Mathematics 2025-11-12 Daniel Holmes , Giosuè Muratore

In this paper, we develop the theory of equivariant motivic homotopy theory, both unstable and stable. While our original interest was in the case of profinite group actions on smooth schemes, we discuss our results in as broad a setting as…

Algebraic Topology · Mathematics 2014-04-08 Gunnar Carlsson , Roy Joshua

We make precise conjectures relating the genus zero Gromov-Witten theory of a nonabelian GIT quotient X//G to that of the associated abelian quotient X//T by a maximal torus T in G.These conjectures imply in particular closed formulas for…

Algebraic Geometry · Mathematics 2007-05-23 Aaron Bertram , Ionut Ciocan-Fontanine , Bumsig Kim

Conjectural results for cohomological invariants of wild character varieties are obtained by counting curves in degenerate Calabi-Yau threefolds. A conjectural formula for E-polynomials is derived from the Gromov-Witten theory of local…

Algebraic Geometry · Mathematics 2017-05-22 Duiliu-Emanuel Diaconescu