Research
On-device research index

arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,341 papers · 148 categories

Trend · papers per month

20416181 · Jun 202019922001200920182026
48 results for Hitchin energy

Study of energy functional on Deligne-Hitchin moduli space sections.

problem Understanding energy functionals on sections of Deligne-Hitchin moduli space.
method Generalizes energy of equivariant harmonic maps to holomorphic sections, links to meromorphic connections, and uses Willmore energy analogy.
result Shows functional is essentially Willmore energy for certain sections, distinguishes new components from twistor lines.

Strict plurisubharmonicity proven for Teichmüller energy on Hitchin representations.

problem Proving strict plurisubharmonicity of Teichmüller energy for Hitchin representations.
method Analyzing energy functional EE on Teichmüller space associated to Hitchin representations.
result Strict plurisubharmonicity of energy functional EE proven.

Hitchin representations yield harmonic maps with energy density ≥1.

problem Characterize harmonic maps associated with Hitchin representations.
method Study ρρ-equivariant harmonic maps ff from a hyperbolic surface to symmetric spaces.
result Energy density of ff is ≥1, with equality at one point only for specific representations.

Develops Lie-theoretic perspective on Hitchin's equations for cyclic G-Higgs bundles.

problem Analytic and geometric properties of harmonic maps.
method Lie-theoretic perspective on Hitchin's equations for cyclic G-Higgs bundles.
result Proves Dai-Li's conjecture on the monotonicity of the energy density and negative curvature conjecture for Coxeter cyclic G-Higgs bundles.

The study shows how energy density of harmonic maps dominates in nn-Fuchsian fibers, leading to unique minimal surfaces.

problem Understanding energy density and topological invariants in nn-Fuchsian fibers of Higgs bundles.
method Establishing an algebraic inequality generalizing a GIT theorem to prove energy density domination.
result Energy density of harmonic maps dominates in nn-Fuchsian fibers, leading to unique minimal surfaces.

Energy functional on Teichmüller space is plurisubharmonic but not strictly so.

problem Characterizing points where energy functional fails to be strictly plurisubharmonic.
method Analyzing the kernel of the Levi form and relating it to Higgs bundles and Hitchin fibration.
result For generic choices, energy functional is strictly plurisubharmonic.

We construct finite energy instanton connection on R4R^4 which are periodic in two directions via an analogue of the Nahm transform for certain singular solutions of Hitchin's equations defined over a 2-torus.

1999-09-14abs ↗pdf ↗

Study of Haydys monopoles using complexified Bogomolny equations.

problem Understanding the moduli space of Haydys monopoles and their geometric properties.
method Dimensional reduction of Haydys instanton equations to three dimensions; gluing construction.
result Smooth locus of Haydys monopoles on R3\mathbb{R}^3 forms a Kähler manifold containing a minimal Lagrangian submanifold.

Study of Dirac-Witten operator on Lorentzian manifolds under dominant energy condition.

problem Detecting non-trivial homotopy groups in spaces of initial data under strict dominant energy condition.
method Use index theory and Lorentzian Hitchin's α-invariant to analyze Dirac-Witten operator.
result Kernel of Dirac-Witten operator is non-trivial only if fundamental group is virtually solvable of derived length at most 2.

New minimal surface theory disproves a conjecture in symmetric spaces.

problem Proving the existence of unstable minimal maps in symmetric spaces.
method Using Hitchin representations and equivariant maps, with a new index bound.
result Disproves the Labourie conjecture for PSL(n,R)PSL(n,\mathbb{R}) with n4n\geq 4.

We show that a twistor construction of Hitchin and Ward can be adapted to study unitons (harmonic spheres in a unitary group). Specifically, we show that unitons are equivalent to holomorphic bundles with extra structure over a rational ruled surface with energy given by Chern class. This equivalence allows us to confi…

1995-08-23abs ↗pdf ↗

Study non-orientable surfaces in gauge theories, matching fluxes with homotopy classes.

problem Understanding non-orientable surfaces in gauge theory and their electric-magnetic duality.
method Reduction of twisted N=4 gauge theory on non-orientable manifolds, matching fluxes with homotopy classes.
result Verification of mirror symmetry of branes as predicted by S-duality.

For Hitchin's generalised geometries we introduce and analyse the concept of a structured submanifold which encapsulates the classical notion of a calibrated submanifold. Under a suitable integrability condition on the ambient geometry, these generalised calibrated cycles minimise a functional occurring as D-brane ener…

2006-05-29abs ↗pdf ↗

In this note we address the problem of finding Abelian instantons of finite energy on the Euclidean Schwarzschild manifold. This amounts to construct self-dual L^2 harmonic 2-forms on the space. Gibbons found a non-topological L^2 harmonic form in the Taub-NUT metric, leading to Abelian instantons with continuous energ…

2000-03-27abs ↗pdf ↗

We study Bogomolny equations on R2×S1R^2\times S^1. Although they do not admit nontrivial finite-energy solutions, we show that there are interesting infinite-energy solutions with Higgs field growing logarithmically at infinity. We call these solutions periodic monopoles. Using Nahm transform, we show that periodic monop…

2000-06-07abs ↗pdf ↗

Defines and parametrizes sl(2)\mathfrak{sl}(2)-type singular fibres in symplectic and odd orthogonal Hitchin systems.

problem Characterizing and understanding singular fibres in Hitchin systems.
method Stratification by semi-abelian spectral data, study of irreducible components, global description of degenerations.
result Extension of Langlands duality to sl(2)\mathfrak{sl}(2)-type Hitchin fibres.

Study asymptotics of hyperkähler geometry on singular fibers of Hitchin moduli space.

problem Asymptotic hyperkähler geometry of SL2(C)\mathrm{SL}_2(\mathbb{C})-Hitchin moduli space over singular fibers.
method Extension of exponential convergence results to locally fiducial Higgs bundles and subintegrable systems.
result Hyperkähler metric converges exponentially to semi-flat metric on subintegrable systems.

Study Fuchsian loci in mPSLn(R){ m PSL}_n(\mathbb{R})-Hitchin components of a pair of pants.

problem Understanding Fuchsian loci in mPSLn(R){ m PSL}_n(\mathbb{R})-Hitchin components.
method Using Bonahon-Dreyer parametrization, explicit parametrization of Fuchsian loci of a pair of pants.
result Explicit parametrization of Fuchsian loci of a pair of pants.

Study shows rapid decay of Hitchin metric from semi-flat metric on Higgs bundles.

problem Analyzing the asymptotic behavior of the Hitchin metric on moduli spaces of Higgs bundles.
method Examined the decay rate of the difference between Hitchin and semi-flat metrics on smooth spectral curves.
result Exponential decay of the difference between Hitchin and semi-flat metrics as t approaches infinity.

The paper constructs a Hitchin connection for a broad class of Kähler structures.

problem Developing a Hitchin connection for a large class of Kähler structures.
method Generalizing previous work, the paper constructs a Hitchin connection on the space of compatible complex structures on arbitrary symplectic manifolds.
result The constructed Hitchin connection is a partial connection on the tangent space of compatible complex structures, defined in a neighborhood of natural families of complex structures.

Survey on 2k2k-Hitchin equations and Higgs bundles from geometric perspective.

problem Understanding 2k2k-Hitchin equations through Higgs bundles and complex geometry.
method Review of Higgs bundles, holomorphic vector bundles, and Hermite-Yang-Mills equations; geometric tools applied to simplify equations.
result Simplified 2k2k-Hitchin equations to a set of two equations for Higgs bundles.

The paper studies sequences of solutions to Hitchin-Simpson equations on Kähler manifolds.

problem Behavior of sequences of solutions to Hitchin-Simpson equations on Kähler manifolds.
method Compactness result for connections and renormalized Higgs fields.
result Every Z/2\mathbb{Z}/2 harmonic 1-form can be deformed into a sequence of solutions.

Study on harmonic metrics for rank 3 Higgs bundles in Hitchin section.

problem Finding compatible harmonic metrics for rank 3 Higgs bundles in the Hitchin section.
method Defined a symmetric pairing and studied spectral curves as 2-sheeted branched coverings.
result Gave a condition for Higgs bundles on C\mathbb{C} or C\mathbb{C}^* to have compatible harmonic metrics.

We study hyperkahler metrics and hyperholomorphic connections of Hitchin's moduli spaces after Gaiotto, Moore and Neitzke. Their construction via the twistor technique produces intricate wall crossing behaviors. For certain four dimensional Hitchin's moduli spaces local models and degeneration to local models near sing…

2012-08-18abs ↗pdf ↗

Study Kobayashi-Hitchin correspondence for special sheaves on Kähler manifolds.

problem Understanding the Kobayashi-Hitchin correspondence for specific sheaves.
method Using Hermitian-Yang-Mills flow on Kähler manifolds with simple normal crossing divisors.
result Established the correspondence for saturated reflexive parabolic sheaves.

This paper proves Hitchin moduli spaces are ALG gravitational instantons.

problem Proving Hitchin moduli spaces are ALG gravitational instantons.
method Computing Torelli parameters for each Hitchin moduli space corresponding to different parabolic data.
result All Hitchin moduli spaces studied are ALG-D4D_4 gravitational instantons.

Symplectic coordinates found on a Hitchin component for a hyperbolic surface.

problem Parametrizing the PSL3(R)\mathrm{PSL}_3(\mathbb{R})-Hitchin component with canonical coordinates.
method Proved global Darboux coordinates with half canonical Goldman coordinates.
result Global Darboux coordinates exist for the PSL3(R)\mathrm{PSL}_3(\mathbb{R})-Hitchin component.