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We construct a moduli space that parametrises stable proper holomorphic submersions over a fixed compact Kaehler base. Stability is described in terms of the existence of a canonical relatively Kaehler metric on the submersion, called an…

Differential Geometry · Mathematics 2023-06-16 Annamaria Ortu

Using global considerations, Mess proved that the moduli space of globally hyperbolic flat Lorentzian structures on $S\times\mathbb{R}$ is the tangent bundle of the Teichm\"uller space of $S$, if $S$ is a closed surface. One of the goals of…

Differential Geometry · Mathematics 2016-11-10 Francesco Bonsante , Andrea Seppi

The main focus of the paper is the investigation of moduli space of left invariant pseudoRiemannian metrics on the cotangent bundle of Heisenberg group. Consideration of orbits of the automorphism group naturally acting on the space of the…

Differential Geometry · Mathematics 2021-09-02 Tijana Sukilovic , Srdjan Vukmirovic , Neda Bokan

Let $\cM_{g,n}$ be the moduli space of Riemann surfaces of genus $g$ with $n$ punctures. From a complex perspective, moduli space is hyperbolic. For example, $\cM_{g,n}$ is abundantly populated by immersed holomorphic disks of constant…

Complex Variables · Mathematics 2007-05-23 Curtis T. McMullen

In this paper, we study moduli spaces of 2-dimensional complex associative algebras. We give a complete calculation of the cohomology of every element in the moduli space, as well as compute their versal deformations.

Following an earlier paper on the differential-geometric structure of the moduli space of special Lagrangian submanifolds in a Calabi-Yau manifold, we follow an analogous approach for compact complex Lagrangian submanifolds of a…

Differential Geometry · Mathematics 2007-05-23 N J Hitchin

We describe the topology of the moduli spaces of flat metrics for all the 3-dimensional closed manifolds. We give an algebraic description of the moduli spaces for the 4-dimensional closed flat manifolds with a single generator in their…

Differential Geometry · Mathematics 2022-11-02 Karla Garcia

We investigate shrinking maps from a cusped hyperbolic surface into the moduli space of closed Riemann surfaces. For such a map and its lift to the Teichm\"uller space, we consider whether they are quasi-isometric embeddings with respect to…

Geometric Topology · Mathematics 2025-11-13 Yibo Zhang

We study the complex symplectic structure of the quiver varieties corresponding to the moduli spaces of SU(2) instantons on both commutative and non-commutative R^4. We identify global Darboux coordinates and quadratic Hamiltonians on…

Symplectic Geometry · Mathematics 2009-03-20 Roger Bielawski , Victor Pidstrygach

In this article, we give a survey of our construction of a local moduli space of scalar-flat K\"ahler ALE metrics in complex dimension $2$. We also prove an explicit formula for the dimension of this moduli space on a scalar-flat K\"ahler…

Differential Geometry · Mathematics 2018-09-20 Jiyuan Han , Jeff A. Viaclovsky

We use the HyperK\"{a}hler quotient of flat space to obtain some monopole moduli space metrics in explicit form. Using this new description, we discuss their topology, completeness and isometries. We construct the moduli space metrics in…

High Energy Physics - Theory · Physics 2009-10-30 G. W. Gibbons , P. Rychenkova

Recall that the moduli space of smooth (that is, stable) cubic curves is isomorphic to the quotient of the upper half plane by the group of fractional linear transformations with integer coefficients. We establish a similar result for…

Algebraic Geometry · Mathematics 2007-05-23 Daniel Allcock , James A. Carlson , Domingo Toledo

A holomorphic triple over a compact Riemann surface consists of two holomorphic vector bundles and a holomorphic map between them. After fixing the topological types of the bundles and a real parameter, there exist moduli spaces of stable…

Algebraic Geometry · Mathematics 2016-09-07 Steven B. Bradlow , Oscar Garcia-Prada , Peter B. Gothen

We introduce the moduli space of marked, complete, Nielsen-convex hyperbolic structures on a surface of negative, but not necessarily finite, Euler characteristic. The emphasis is on infinite type surfaces, the aim being to study mapping…

Geometric Topology · Mathematics 2023-11-06 Chaitanya Tappu

We shall construct a moduli space of pairs of K\"ahler-Einstein structures and special lagrangians and obtain smoothness of the moduli space of these pairs. Further we show that the moduli space of these pairs is locally embedded in a…

Differential Geometry · Mathematics 2007-05-23 Ryushi Goto

In this paper, we study the moduli spaces $\mathcal{M}_{\delta,c_2}$ of stable rank-2 vector bundles on non-K\" ahler elliptic surfaces, thus giving a classification these bundles; in the case of Hopf and Kodaira surfaces, these moduli…

Algebraic Geometry · Mathematics 2007-05-23 Vasile Brinzanescu , Ruxandra Moraru

This paper considers the moduli spaces/stacks of parabolic bundles (parabolic logarithmic flat bundles and parabolic logarithmic Higgs bundles with given spectrum) of rank 2 and degree 1 over $\mathbb{P}^1$ with five marked points. The…

Algebraic Geometry · Mathematics 2025-07-29 Zhi Hu , Pengfei Huang , Runhong Zong

In the noncommutative (Moyal) plane, we relate exact U(1) sigma-model solitons to generic scalar-field solitons for an infinitely stiff potential. The static k-lump moduli space C^k/S_k features a natural K"ahler metric induced from an…

High Energy Physics - Theory · Physics 2009-11-11 Michael Klawunn , Olaf Lechtenfeld , Stefan Petersen

We consider the moduli space MN of flat unitary connections on an open Kaehler manifold U (complement of a divisor with normal crossings) with restrictions on their monodromy transformations. Using intersection and L2 cohomologies with…

alg-geom · Mathematics 2008-02-03 Jean-Luc Brylinski , Philip Foth

Let M_0^R be the moduli space of smooth real cubic surfaces. We show that each of its components admits a real hyperbolic structure. More precisely, one can remove some lower-dimensional geodesic subspaces from a real hyperbolic space H^4…

Algebraic Geometry · Mathematics 2009-05-11 Daniel Allcock , James A. Carlson , Domingo Toledo
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