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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.

169,291 papers · 148 categories

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48 results for Hermitian residues

The paper develops a theory of Bott-Chern cohomology and proves a residue theorem.

problem Localization of Bott-Chern classes and Hermitian residues.
method Developed a unified theory of Cech-Bott-Chern cohomology, defined cup product and integration, and introduced local and global duality homomorphisms.
result Proved a residue theorem for vector bundles with compatible Hermitian connections.

Let PP be a non-negative self-adjoint Laplace type operator acting on sections of a hermitian vector bundle over a closed Riemannian manifold. In this paper we review the close relations between various PP-related coefficients such as the mollified spectral counting coefficients, the heat trace coefficients, the reso…

2015-09-01abs ↗pdf ↗

We compute explicit transgression forms for the Euler and Pontrjagin classes of a Riemannian manifold MM of dimension 4 under a conformal change of the metric, or a change to a Riemannian connection with torsion. These formulae describe the singular set of some connections with singularities on compact manifolds as a …

2004-12-19abs ↗pdf ↗

Holomorphic maps are a special case of Hermitian pluriharmonic maps between almost Hermitian manifolds.

problem Characterizing maps between almost Hermitian manifolds.
method Introducing Hermitian pluriharmonic maps and proving their properties.
result Holomorphic or anti-holomorphic maps are Hermitian pluriharmonic.

The paper proves Liouville theorems for holomorphic maps on pseudo-Hermitian manifolds.

problem Proving Liouville theorems for holomorphic maps on pseudo-Hermitian manifolds.
method Analyzing maps between different classes of pseudo-Hermitian manifolds, using curvature assumptions.
result Holomorphic maps are constant under certain curvature conditions.

Construct a Hermitian metric on non-Hermitian Yang--Mills moduli spaces near the Hermitian locus.

problem Moduli space of non-Hermitian Yang--Mills connections over a compact Kähler manifold
method Using normalized harmonic metrics
result Near the Hermitian locus, the unobstructed locus carries an almost hypercomplex structure compatible with the associated Riemannian metric.

Paper proves solutions for deformed Hermitian-Yang-Mills equation on almost Hermitian manifolds.

problem Existence of solutions for deformed Hermitian-Yang-Mills equation on almost Hermitian manifolds.
method Derive a priori estimates under the existence of an admissible C\mathcal{C}-subsolution; prove existence of solutions under the condition of existence of a supersolution.
result Proves existence of solutions for the deformed Hermitian-Yang-Mills equation.

We study geometric realization questions of curvature in the affine, Riemannian, almost Hermitian, almost para Hermitian, almost hyper Hermitian, almost hyper para Hermitian, Hermitian, and para Hermitian settings. We also express questions in Ivanov-Petrova geometry, Osserman geometry, and curvature homogeneity in ter…

2009-04-07abs ↗pdf ↗

The paper establishes Schwarz type lemmas for holomorphic maps between pseudo-Hermitian and Hermitian manifolds.

problem Analyzing holomorphic maps between pseudo-Hermitian and Hermitian manifolds.
method Using Bochner formulas and comparison theorems.
result Established Schwarz type lemmas for holomorphic maps.

The paper solves a problem related to Higgs bundles and Hermitian metrics.

problem Existence of Hermitian metrics with prescribed Hermitian-Yang-Mills tensors for Higgs bundles.
method Solving the prescribed Hermitian-Yang-Mills tensor problem for Higgs bundles over compact complex manifolds.
result For any Hermitian positive definite tensor, there exists a unique smooth Hermitian metric on the Higgs bundle.

On Hermitian manifolds, the second Ricci curvature tensors of various metric connections are closely related to the geometry of Hermitian manifolds. By refining the Bochner formulas for any Hermitian complex vector bundle (Riemannain real vector bundle) with an arbitrary metric connection over a compact Hermitian manif…

2010-10-31abs ↗pdf ↗

The paper classifies Hermitian manifolds with specific connection properties.

problem Classifying Hermitian manifolds with specific connection properties.
method Algebraic consideration of holonomy systems, structure theorems, and classification theorems.
result The universal cover of such Hermitian manifolds is the product of a complex Lie group and Hermitian symmetric spaces.

Paper generalizes sub-slope definition and solves complex equations on compact manifolds.

problem Solving complex equations on compact almost Hermitian manifolds.
method Generalized sub-slope definition and proved existence of solutions for a class of equations.
result Solved complex Hessian quotient and deformed Hermitian-Yang-Mills equations.

The study defines and analyzes nearly Kähler and Kähler-Codazzi manifolds.

problem Defining and analyzing nearly Kähler and Kähler-Codazzi manifolds.
method Definition and comparison of nearly Kähler and Kähler-Codazzi manifolds in various geometries.
result Nearly Kähler type manifolds exist only in Hermitian and para-Hermitian contexts, while Kähler-Codazzi type manifolds reduce to Kähler type manifolds in all four geometries.

Hermitian symmetric manifolds are Hermitian manifolds which are homogeneous and such that every point has a symmetry preserving the Hermitian structure. The aim of these notes is to present an introduction to this important class of manifolds, trying to survey the several different perspectives from which Hermitian sym…

2013-10-14abs ↗pdf ↗

Researchers identify critical protein residues using advanced graph theory.

problem Identifying essential residues in proteins for function.
method Learning Random Geometric Graphs (RGG) with Cramer's V correlation and organic thresholding.
result Advanced RGG methods accurately identify critical residues compared to existing techniques.

The paper establishes Schwarz type lemmas for pseudo-Hermitian manifolds.

problem Understanding the geometry and mappings of pseudo-Hermitian manifolds.
method Using sub-Laplacian or Hessian type Bochner formulas and comparison theorems.
result Established Schwarz type results for \emph{CR} maps and transversally holomorphic maps.

Defines Wodzicki residue using groupoids and fibered distributions.

problem Defining and understanding the Wodzicki residue in noncommutative geometry.
method Using groupoid language and filtered manifolds, defining the residue and showing its properties.
result The groupoidal residue is a trace on pseudodifferential operators and matches the usual residue in certain cases.

Paper derives formulas for holomorphic maps between Hermitian manifolds and proves related theorems.

problem Holomorphic maps between Hermitian manifolds and their properties.
method Derives \partial\overline{\partial}-Bochner formulas and proves Schwarz lemma type estimates.
result Generalizes Ni's results to Hermitian manifolds, proving rigidity and degeneracy theorems.

Paper explores prescribing Chern scalar curvatures on noncompact Hermitian manifolds.

problem Prescribing Chern scalar curvatures on complete noncompact Hermitian manifolds.
method Generalizes Aviles-McOwen's existence results to higher-dimensional Hermitian manifolds.
result Existence results for Chern scalar curvatures on Hermitian manifolds.

Proves infinitesimal rigidity of Hermitian gravitational instantons.

problem Understanding the moduli space of Hermitian gravitational instantons.
method Proof of infinitesimal rigidity and integrability using boundary conditions and conformal Kähler properties.
result Completes the understanding of Hermitian gravitational instantons, both compact and non-compact.

The paper studies four Hermitian structures on twistor spaces.

problem Understanding the geometry of Hermitian surfaces via twistor spaces.
method Defining four almost Hermitian structures on twistor spaces using canonical connections.
result Relations between twistor space geometry and Hermitian surface geometry.

In this work we prove a Baum-Bott type residue theorem for flags of holomorphic foliations. We prove some relations between the residues of the flag and the residues of their correspondent foliations. We define the Nash residue for flags and we give a partial answer to the Baum-Bott type rationality conjecture in this …

2016-02-29abs ↗pdf ↗