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Related papers: Algebraic Gromov ellipticity: a brief survey

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Following a suggestion of Jordan Ellenberg, we study measures of complexity for self-correspondences of some classes of varieties. We also answer a question of Rhyd concerning curves sitting in the square of a very general hyperelliptic…

Algebraic Geometry · Mathematics 2026-05-27 Robert Lazarsfeld , Olivier Martin

Our main interest in this paper is chiefly concerned with the conditions characterizing \textit{orthogonal and symplectic abstract differential geometries}. A detailed account about the sheaf-theoretic version of the \textit{symplectic…

Symplectic Geometry · Mathematics 2008-10-21 PP Ntumba , Ac Orioha

In this note we introduce parameterized Gromov-Witten invariants for symplectic fiber bundles and study the topology of the symplectomorphism group. We also give sample applications showing the non-triviality of certain homotopy groups of…

Symplectic Geometry · Mathematics 2008-09-26 Hong-Van Le , Kaoru Ono

We investigate modularity of elliptic curves over a general totally real number field, establishing a finiteness result for the set non-modular $j$-invariants. By analyzing quadratic points on some modular curves, we show that all elliptic…

Number Theory · Mathematics 2013-09-18 Bao V. Le Hung

This is the first paper in a series of eight where in the first three we develop a systematic approach to the geometric algebras of multivectors and extensors, followed by five papers where those algebraic concepts are used in a novel…

Differential Geometry · Mathematics 2007-05-23 A. M. Moya , V. V. Fernandez , W. A. Rodrigues

Let $(X,\om)$ be a symplectic manifold and $L$ be a Lagrangian submanifold diffeomorphic to $S^n$, $\R\P^n$, or a Lens space of a certain type. Using the symplectic cut and symplectic sum constructions, we express the open Gromov-Witten…

Symplectic Geometry · Mathematics 2012-11-27 Mohammad Farajzadeh Tehrani

We determine all the possible torsion groups of elliptic curves over cyclic cubic fields, over non-cyclic totally real cubic fields and over complex cubic fields.

Number Theory · Mathematics 2024-10-10 Maarten Derickx , Filip Najman

We describe arbitrary multiplicative differential forms on Lie groupoids infinitesimally, i.e., in terms of Lie algebroid data. This description is based on the study of linear differential forms on Lie algebroids and encompasses many known…

Differential Geometry · Mathematics 2011-12-22 Henrique Bursztyn , Alejandro Cabrera

As in [5], we study holomorphic maps of positive degree between compact complex manifolds, and prove that any holomorphic map of degree one from a compact complex manifold to itself is biholomorphic. This conclusion confirms that under a…

Differential Geometry · Mathematics 2021-01-07 Lingxu Meng

We show that every projective Oka manifold is elliptic in the sense of Gromov. This gives an affirmative answer to a long-standing open question.

Complex Variables · Mathematics 2026-05-06 Franc Forstneric , Finnur Larusson

We develop a new framework of relative algebroids to address existence and classification problems of geometric structures subject to partial differential equations.

Differential Geometry · Mathematics 2025-03-26 Rui Loja Fernandes , Wilmer Smilde

We propose a conjectural explicit formula of generating series of a new type for Gromov--Witten invariants of $\mathbb{P}^1$ of all degrees in full genera.

Algebraic Geometry · Mathematics 2025-05-23 Boris Dubrovin , Di Yang

In this manuscript we study braid varieties, a class of affine algebraic varieties associated to positive braids. Several geometric constructions are presented, including certain torus actions on braid varieties and holomorphic symplectic…

Representation Theory · Mathematics 2024-08-12 Roger Casals , Eugene Gorsky , Mikhail Gorsky , José Simental

Let $X$ be a quadratic vector field with a center whose generic orbits are algebraic curves of genus one. To each $X$ we associate an elliptic surface (a smooth complex compact surface which is a genus one fibration). We give the list of…

Dynamical Systems · Mathematics 2008-01-29 Sebastien Gautier

We develop a homotopical variant of the classic notion of an algebraic theory as a tool for producing deformations of homotopy theories. From this, we extract a framework for constructing and reasoning with obstruction theories and spectral…

Algebraic Topology · Mathematics 2025-08-13 William Balderrama

In this paper, we study modularity of several functions which naturally arose in a recent paper of Lau and Zhou on open Gromov-Witten potentials of elliptic orbifolds. They derived a number of examples of indefinite theta functions, and we…

Number Theory · Mathematics 2015-10-05 Kathrin Bringmann , Larry Rolen , Sander Zwegers

Using the Plucker map between grassmannians, we study basic aspects of classic grassmannian geometries. For `hyperbolic' grassmannian geometries, we prove some facts (for instance, that the Plucker map is a minimal isometric embedding) that…

Differential Geometry · Mathematics 2012-10-09 Sasha Anan'in , Carlos H. Grossi

Topological groupoids admit various types of morphisms. We push these notions to the level of continuous groupoid actions to obtain various types of groupoid action morphisms. Some dynamical properties and their relation to these morphisms…

Dynamical Systems · Mathematics 2021-05-04 F. Flores , M. Mantoiu

In this paper, we propose a conjecture that clarifies the relationship between the number of degree d elliptic curves in complex four-dimensional projective Fano hypersurfaces and their degree d elliptic Gromov-Witten (GW) invariants. The…

Algebraic Geometry · Mathematics 2026-03-16 Masao Jinzenji , Ken Kuwata

General theory of elliptic hypergeometric series and integrals is outlined. Main attention is paid to the examples obeying properties of the "classical" special functions. In particular, an elliptic analogue of the Gauss hypergeometric…

Classical Analysis and ODEs · Mathematics 2007-05-23 V. P. Spiridonov
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