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We show that the moduli space of regular affine vortices, which are solutions of the symplectic vortex equation over the complex plane, has the structure of a smooth manifold. The construction uses Ziltener's Fredholm theory results [31].…

Symplectic Geometry · Mathematics 2016-12-26 Sushmita Venugopalan , Guangbo Xu

We use rudiments of the Seiberg-Witten gluing theory for trivial circle bundles over a Riemann surface to relate de Seiberg-Witten basic classes of two $4$-manifolds containing Riemann surfaces of the same genus and self-intersection zero…

dg-ga · Mathematics 2008-02-03 Vicente Muñoz

In this paper, following Sullivan, Kusner, and Schmitt, we study conformal immersions of Riemann surfaces into the three-dimensional Euclidean space. Regarding such immersions as special bundle maps from the tangent bundle of the surface to…

Differential Geometry · Mathematics 2022-10-28 Ivan Solonenko

We study holomorphic $(n+1)$-chains $E_n\to E_{n-1} \to >... \to E_0$ consisting of holomorphic vector bundles over a compact Riemann surface and homomorphisms between them. A notion of stability depending on $n$ real parameters was…

Algebraic Geometry · Mathematics 2007-05-23 Luis Alvarez-Consul , Oscar Garcia-Prada , Alexander H. W. Schmitt

We provide an explicit formula for all primary genus-zero $r$-spin invariants. Our formula is piecewise polynomial in the monodromies at each marked point and in $r$. To deduce the structure of these invariants, we use a tropical…

Algebraic Geometry · Mathematics 2023-11-22 Renzo Cavalieri , Tyler L. Kelly , Rob Silversmith

By a theorem of Mclean, the deformation space of an associative submanifold Y of an integrable G_2 manifold (M,\phi) can be identified with the kernel of a Dirac operator D:\Omega^{0}(\nu) -->\Omega^{0}(\nu) on the normal bundle \nu of Y.…

Geometric Topology · Mathematics 2007-08-20 Selman Akbulut , Sema Salur

We compare the deformation theory and the analytic structure of the Seiberg-Witten moduli spaces of a K\"ahler surface to the corresponding components of the Hilbert scheme, and show that they are isomorphic. Next we show how to compute the…

alg-geom · Mathematics 2008-02-03 Robert Friedman , John W. Morgan

We study closures of GL_2(R)-orbits on the total space of the Hodge bundle over the moduli space of curves under the assumption that they are algebraic manifolds. We show that, in the generic stratum, such manifolds are the whole stratum,…

Algebraic Geometry · Mathematics 2007-11-06 Martin Moeller

Let $\Sigma$ be a closed surface, $G$ a compact Lie group, with Lie algebra $g$, $\xi \colon P \to \Sigma$ a principal $G$-bundle, let $N(\xi)$ denote the moduli space of central Yang-Mills connections on $\xi$, for suitably chosen…

dg-ga · Mathematics 2008-02-03 Johannes Huebschmann

We give an algebro-geometric derivation of the known intersection theory on the moduli space of stable rank 2 bundles of odd degree over a smooth curve of genus g. We lift the computation from the moduli space to a Quot scheme, where we…

Algebraic Geometry · Mathematics 2007-05-23 Alina Marian , Dragos Oprea

Given a semisimple, compact, connected Lie group G with complexification G^c, we show there is a stable range in the homotopy type of the universal moduli space of flat connections on a principal G-bundle on a closed Riemann surface, and…

Algebraic Topology · Mathematics 2008-01-23 Ralph L. Cohen , Soren Galatius , Nitu Kitchloo

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

We describe an extension at the level of the moduli space of stable spin curves of genus g of the map associating to an ineffective spin structure its Scorza curve (equivalently, the vanishing locus of its Szeg\H{o} kernel). We compute the…

Algebraic Geometry · Mathematics 2024-09-23 Gavril Farkas , Elham Izadi

This is a note in which we first review symmetries of moduli spaces of stable meromorphic connections on trivial vector bundles over the Riemann sphere, and next discuss symmetries of their integrable deformations as an application. In the…

Classical Analysis and ODEs · Mathematics 2018-03-16 Kazuki Hiroe

There is a canonical identification, due to the author, of a convex real projective structure on an orientable surface of genus g and a pair consisting of a conformal structure together with a holomorphic cubic differential on the surface.…

Differential Geometry · Mathematics 2007-05-23 John C. Loftin

The paper is devoted to the study of the orientability of the moduli spaces of real pseudoholomorphic curves in real symplectic manifolds. We begin by extending the results we obtained in \cite{article1}. Namely, we consider a complex…

Symplectic Geometry · Mathematics 2013-09-17 Rémi Crétois

We construct a moduli space for Riemann surfaces that is universal in the sense that it represents compact Riemann surfaces of any finite genus. This moduli space is stratifed according to genus, and it carries a metric and a measure that…

Algebraic Geometry · Mathematics 2017-02-01 Lizhen Ji , Juergen Jost

We consider the moduli spaces of flat $SL(n, C)$-bundles on Riemann surfaces with one puncture when we fix the conjugacy class ${\cal C}$ of the monodromy transformation around the puncture. We show that under a certain condition on the…

alg-geom · Mathematics 2016-08-30 Philip A. Foth

We construct explicitly a finite cover of the moduli stack of compact Riemann surfaces with a given group of symmetries by a smooth quasi-projective variety.

Algebraic Geometry · Mathematics 2021-04-06 Fabio Perroni

We use relations in the tautological ring of the moduli spaces $\overline{\mathcal{M}}_{g,n}$ derived by Pandharipande, Pixton, and Zvonkine from the Givental formula for the $r$-spin Witten class in order to obtain some restrictions on the…

Algebraic Geometry · Mathematics 2018-10-23 Reinier Kramer , Farrokh Labib , Danilo Lewanski , Sergey Shadrin
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