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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

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48 results for Kahler-Einstein geometry

The abstract discusses how Kähler-Einstein metrics relate to algebraic geometry.

problem Understanding the connection between Kähler-Einstein metrics and algebraic geometry.
method Exploring metric limits and rescalings of Kähler-Einstein metrics in relation to moduli spaces and singularities.
result Proposes tentative conjectural pictures connecting Kähler-Einstein metrics and algebraic geometry.

New bound on partition function proves Kähler-Einstein stability.

problem Proving Kähler-Einstein metrics on complex manifolds.
method Quantitative bound on partition function, connecting probabilistic and quantization approaches.
result Direct analytic proof of Kähler-Einstein stability for uniformly Gibbs stable manifolds.

Study on GL(2) geometries on complex manifolds, focusing on Kähler-Einstein and Fano manifolds.

problem Characterizing compact complex manifolds with holomorphic GL(2)-geometry.
method Analyzing Kähler-Einstein and Fano manifolds, using GL(2) and SL(2) geometries.
result Only compact Kähler-Einstein manifolds with holomorphic GL(2)-geometry are covered by compact complex tori, three dimensional quadric, or three dimensional Lie ball.

Study on Einstein deformations of negative Kähler Einstein metrics.

problem Understanding Einstein deformations of Kähler Einstein metrics.
method Relate second order Einstein deformation theory to complex geometry, gauge normalise, and use Taylor expansion.
result Taylor expansion to order two of an Einstein deformation is determined by h12h_1^2 and the divergence of the Kodaira-Spencer bracket.

Extends Faltings heights to arithmetic varieties and connects to Kahler-Einstein geometry.

problem Connecting arithmetic heights to Kahler-Einstein geometry.
method Extending Faltings heights, proposing arithmetic Yau-Tian-Donaldson conjecture.
result Direct relations between arithmetic heights and Kahler-Einstein geometry.

We study Riemannian geometry of canonical Kahler-Einstein currents on projective Calabi-Yau varieties and canonical models of general type with crepant singularities. We prove that the metric completion of the regular part of such a canonical current is a compact metric length space homeomorphic to the original project…

2014-04-02abs ↗pdf ↗

The study of real Einstein submanifolds in Kähler geometry.

problem Understanding real Einstein submanifolds in Kähler geometry.
method Provided a necessary and sufficient condition for anti-holomorphic automorphisms to determine real Einstein submanifolds.
result A condition for determining real Einstein submanifolds in compact Kähler-Einstein manifolds.

Smooth Kahler-Einstein metrics have been studied for the past 80 years. More recently, singular Kahler-Einstein metrics have emerged as objects of intrinsic interest, both in differential and algebraic geometry, as well as a powerful tool in better understanding their smooth counterparts. This article is mostly a surve…

2014-04-29abs ↗pdf ↗

The paper explores the geometry of real connections on Hermitian manifolds and derives Kähler-Einstein metrics.

problem Investigating the geometry of real connections on Hermitian manifolds.
method Analyzing the relationship between real connections and Hermitian connections, focusing on the real Chern connection.
result Derives Kähler-Einstein metrics using real Chern-Einstein metrics.

Constructs Kahler-Einstein metrics near isolated log canonical singularities.

problem Constructing metrics near singularities in complex geometry.
method Constructs Kahler-Einstein metrics with negative scalar curvature near isolated log canonical singularities.
result Metrics are complete near the singularity if the underlying space has complex dimension 2 or if the singularity is smoothable.

Uniform K-stability ensures existence of special metrics on toric manifolds.

problem Existence of conformally Kähler, Einstein-Maxwell metrics on toric manifolds.
method Introducing uniform K-stability and showing its equivalence to properness of relative K-energy.
result Uniform K-stability is necessary and sufficient for the existence of ff-extremal metrics on toric manifolds.

In this short note, we show that given a special Kähler-Einstein degeneration with bounded geometry, for any noncentral fiber, there exists a Kähler-Ricci flow which converges to the Kähler-Einstein metric of the central fiber. As an example, Tian's deformations \cite{Tian97} of the Mukai 3-fold admit Kähler-Ricci flow…

2013-11-29abs ↗pdf ↗

In this Thesis, I investigate how Fano manifolds equipped with a Kahler-Einstein metric can degenerate as metric spaces (in the Gromov-Hausdorff topology) and some of the relations of this question with Algebraic Geometry, in particular in the direction of the study of moduli spaces and their compactifications.

2012-11-22abs ↗pdf ↗

Study of compactifications for Kähler-Einstein Fano manifolds.

problem Compactification of moduli spaces of Kähler-Einstein Fano manifolds.
method Geometry of metric tangent cones and algebro-geometric study of singularities.
result First concrete examples of Gromov-Hausdorff compactifications in complex dimensions >2.

Study geodesics in totally real submanifolds of Kähler-Einstein manifolds.

problem Geodesics in totally real submanifolds of Kähler-Einstein manifolds.
method Define a canonical connection and geodesics on the space of totally real submanifolds, and study their properties.
result Existence and uniqueness of geodesics in totally real submanifolds.

The paper constructs almost para-Kähler-Einstein metrics on cotangent bundles.

problem Developing metrics on cotangent bundles associated with geometric structures.
method Using a construction involving geometric structures on a manifold MM to associate an almost para-Kähler-Einstein metric on TMT^*M.
result Explicit formulae for these metrics are derived in specific geometric cases.

Study of twisted Kähler-Einstein metrics on Calabi-Yau spaces with singularities.

problem Understanding the collapsed Gromov-Hausdorff limits of Calabi-Yau spaces.
method Analyzing the geometry of twisted Kähler-Einstein metrics on holomorphic fiber spaces.
result Proving the existence of conical-type singularities in the base of fiber spaces.

The scalar curvature is redefined in generalized Kahler geometry as a moment map.

problem Defining scalar curvature in generalized Kahler geometry.
method Introducing a moment map in generalized Kahler geometry to define a generalized scalar curvature.
result Infinitesimal deformations of generalized Kahler structures with constant generalized scalar curvature are finite-dimensional.

The study explores Einstein metrics in (2,3,5) distributions and their geometric connections.

problem Existence of Einstein metrics in conformal structures induced by (2,3,5) distributions.
method Characterization of conformal structures that admit almost Einstein scales and use of holonomy reduction.
result Established novel links between (2,3,5) distributions and various geometries, including Sasaki-Einstein and Kähler-Einstein.

New stability concept tested via volume function for Fano manifolds.

problem Stability of Fano manifolds and existence of Kähler-Einstein metrics.
method Introducing and testing divisorial stability via volume functions.
result Existence of Kähler-Einstein metrics is equivalent to divisorial semistability for toric Fano manifolds.

Sharp asymptotic behavior of Kähler-Einstein metrics on complex hyperbolic cusps.

problem Understanding the asymptotic behavior of Kähler-Einstein metrics on complex hyperbolic cusps.
method Analyzing the curvature and metric properties of Kähler-Einstein metrics on complex hyperbolic cusps.
result Sharp doubly exponential rate of convergence of metrics to a limiting form.

Survey explains Kahler-Einstein metrics construction from interpolation problems.

problem Kahler-Einstein metrics on compact complex manifolds.
method Statistical mechanical construction from interpolation problems.
result Probabilistic construction of Kahler solutions to Einstein's equations.

Study on geometric properties of plurisubharmonic functions in strongly pseudoconvex domains.

problem Metric properties and regularity of Mabuchi geodesics in the space of strongly plurisubharmonic functions.
method Introduction of Mabuchi space, study of metric properties using Mabuchi geodesics, establishment of regularity properties.
result Existence of local Kähler-Einstein metrics as an application.

Study on Kähler-Einstein metrics on log Calabi-Yau families, proving local triviality and discrediting a metric conjecture.

problem Understanding Kähler-Einstein metrics on log Calabi-Yau families.
method Investigation of relative Ricci-flat Kähler metrics, focusing on Kodaira dimension zero.
result Disproof of a folklore conjecture about the semipositivity of relative flat metrics.

New probabilistic method constructs Kähler-Einstein metrics and suggests zero-free properties of zeta functions.

problem Existence and explicit formulas for Kähler-Einstein metrics on Fano varieties.
method Probabilistic construction involving canonical random point processes.
result Zero-free properties of Archimedean zeta functions and their relation to Langlands program.

Compact quasi-Einstein metrics with constant scalar curvature are locally homogeneous in 3D.

problem Characterize compact quasi-Einstein metrics with constant scalar curvature.
method Connection to Sasakian geometry and circle bundles over Einstein metrics.
result Compact quasi-Einstein metrics with constant scalar curvature are locally homogeneous in 3D.

Compact Kahler-Einstein manifolds converge to semi-log canonical models.

problem Compactness of Kahler-Einstein manifolds of negative scalar curvature.
method Gromov-Hausdorff convergence and Weil-Petersson metric extension.
result Convergence to a finite union of complete Kahler-Einstein metric spaces.

The paper explores Ricci forms on noncompact complex manifolds, including Kähler-Einstein and canonical metrics.

problem Existence of specific metrics on noncompact complex manifolds with prescribed Ricci curvature.
method Analyzes geometric problems on noncompact complex manifolds using Ricci curvature.
result Improves the main theorem in Cheng-Yau [4] and constructs Hesse-Einstein metrics.