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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.

168,738 papers · 148 categories

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167334501668 · Jun 202019922001200920172026
48 results for weighted Bergman spaces

The paper studies invariant weighted Bergman metrics on domains.

problem Investigating invariant weighted Bergman metrics under biholomorphisms.
method Introducing invariant weight assignments, using Bergman's minimum integral method and domain version of Tian-Yau-Zelditch expansion.
result Uniform convergence of weighted Bergman kernels and metrics on uniform squeezing domains.

Researchers extend asymptotic analysis to Bergman projections with Gevrey weights.

problem Analyzing Bergman projections with Gevrey weights.
method Extending direct approach to semiclassical asymptotics to Gevrey weights using Fourier integral operators.
result Gevrey symbol amplitude of asymptotic Bergman projection with Gevrey weights and Gevrey-type growth rate.

Toeplitz operators linked to submultiplicative filtrations and weighted Bergman kernels.

problem Analyzing the asymptotics of weighted Bergman kernels for submultiplicative filtrations.
method Demonstrated that weight operator is a Toeplitz operator; analyzed asymptotics of weighted Bergman kernels.
result Local refinement of convergence of jumping measures towards geodesic ray pushforward measure.

In this note, we explain that Ross-Thomas' result on the weighted Bergman kernels on orbifolds can be directly deduced from our previous result. This result plays an important role in the companion paper to prove an orbifold version of Donaldson Theorem.

2011-07-23abs ↗pdf ↗

The paper studies the curvature behavior near the boundary of certain domains.

problem Investigating the asymptotic behavior of bisectional curvature for weighted Bergman metrics.
method Characterizing extremal functions via L2L^2-orthogonal projections and using the squeezing function.
result The bisectional curvature at strongly pseudoconvex boundary points asymptotically matches that of the unit ball.

The paper explores conditions for real holomorphic gradient fields on Kähler and conformally Kähler manifolds.

problem Conditions for real holomorphic gradient fields on Kähler and conformally Kähler manifolds.
method Investigation of real-valued weight functions with real holomorphic gradient fields on Kähler and conformally Kähler manifolds.
result Identification and determination of weight functions with real holomorphic gradient fields on specific metrics.

Paper compares Bergman kernel and Masur-Veech measure on Teichmüller space.

problem Comparing Bergman kernel and Masur-Veech measure on Teichmüller space.
method Comparison between Bergman kernel form and pushforward measure of Masur-Veech measure.
result Obtained a comparison between the Bergman kernel form and the pushforward measure of the Masur-Veech measure.

The abstract presents a new theorem using Ross-Witt Nyström correspondence and Berndtsson's theorem.

problem The abstract tackles the Ohsawa-Takegoshi extension theorem and its applications.
method The approach uses Ross-Witt Nyström correspondence and Berndtsson's theorem in \(\mathbb{C}^*\)-degeneration.
result The approach provides a quick proof of the Ohsawa-Takegoshi extension theorem without limits or singular weights.

We shall give a definition of the curvature operator for a family of weighted Bergman spaces {Ht}\{\mathcal H_t\} associated to a smooth family of smoothly bounded strongly pseudoconvex domains {Dt}\{D_t\}. In order to study the boundary term in the curvature operator, we shall introduce the notion of geodesic curvature fo…

2015-08-02abs ↗pdf ↗

Sharp estimates for Bergman metrics derived from Kähler quantization.

problem Estimating Bergman metrics in Kähler quantization.
method Upper and lower bounds on the Bergman metric expressed in terms of φ\varphi.
result Optimal C1,1ˉC^{1,\bar1}-convergence for quantization of Kähler currents.

Let φC(Cn)φ\in C^\infty(\Complex^n) be a given real valued function. We assume that $\pr\ddbarφ$ is non-degenerate of constant signature (n,n+)(n_-,n_+) on Cn\Complex^n. When q=nq=n_-, it is well-known that the Bergman kernel for (0,q)(0,q) forms with respect to the kk-th weight e2kφe^{-2kφ}, k>0k>0, admits a full asymptotic expansi…

2012-08-19abs ↗pdf ↗

Study shows Bergman kernels match averages on quotient spaces, proving non-vanishing of Poincaré series.

problem Proving non-vanishing of Poincaré series on finite-volume quotients of Hermitian symmetric spaces.
method Using Bergman kernels and averaging over discrete groups, proving non-vanishing of Poincaré series.
result Large class of relative Poincaré series does not vanish on general locally symmetric spaces of finite volume.

Let DD be a homogeneous bounded domain of Cn\mathbb{C}^n and A\mathcal{A} a set of (anti--Wick) symbols that defines a commutative algebra of Toeplitz operators on every weighted Bergman space of DD. We prove that if A\mathcal{A} is rich enough, then it has an underlying geometric structure given by a Lagrangian fo…

2012-01-10abs ↗pdf ↗

The paper characterizes unit balls among Stein spaces with specific groups using Bergman-Einstein metrics.

problem Characterizing unit balls among Stein spaces with specific groups.
method Study of Bergman metric on finite ball quotients and its Kähler-Einstein property.
result The Bergman-Einstein metric exists only on the unit ball itself for finite ball quotients with trivial groups.

Study shows convergence of Bergman kernels on covering spaces of Kähler manifolds.

problem Analyzing convergence of Bergman kernels on covering spaces of Kähler manifolds.
method Proving convergence of Bergman kernels and L2L^2-Hodge numbers on a tower of coverings.
result Sections of canonical line bundles give rise to immersions into projective spaces.

The Bergman space and conformally flat 2-disk operads are linked to vertex operator algebras.

problem Understanding invariants of 2D Riemannian manifolds using algebraic structures.
method Introducing a suboperad and showing algebraic structures, using conformally flat factorization homology.
result The Bergman space is identified with the ind-Hilbert space completion of the affine Heisenberg vertex operator algebra.

Consider the sum of the first NN eigenspaces for the Laplacian on a Riemannian manifold. A basis for this space determines a map to Euclidean space and for NN sufficiently large the map is an embedding. In analogy with a fruitful idea of Kähler geometry, we define (Riemannian) Bergman metrics of degree NN to be thos…

2013-10-18abs ↗pdf ↗

Study Bergman kernels and zero distributions of random sections on Kähler manifolds.

problem Asymptotic distribution of common zeros of random sections on Kähler manifolds.
method Analysis of Bergman kernels and equidistribution for sequences of line bundles.
result Established asymptotic expansion of Bergman kernels and equidistribution of zeros.

The Fock-Bargmann-Hartogs domain Dn,m(μ)D_{n,m}(μ) (μ>0μ>0) in Cn+m\mathbb{C}^{n+m} is defined by the inequality w2<eμz2,\|w\|^2<e^{-μ\|z\|^2}, where (z,w)Cn×Cm(z,w)\in \mathbb{C}^n\times \mathbb{C}^m, which is an unbounded non-hyperbolic domain in Cn+m\mathbb{C}^{n+m}. This paper introduces a Kähler metric αg(μ;ν)αg(μ;ν) (α>0)(α>0) on Dn,m(μ)D_{n,m}(μ), …

2015-12-31abs ↗pdf ↗

The space of positively curved hermitian metrics on a positive holomorphic line bundle over a compact complex manifold is an infinite-dimensional symmetric space. It is shown by Phong and Sturm that geodesics in this space can be uniformly approximated by geodesics in the finite dimensional spaces of Bergman metrics. W…

2007-03-17abs ↗pdf ↗

Study continuity of Bergman kernels on degenerating varieties.

problem Continuity and uniform convergence of Bergman kernels on degenerating varieties.
method Introduced fiberwise Bergman kernel for flat families of polarized varieties, established continuity and uniform convergence results.
result Uniform convergence of Fubini-Study currents and continuity of fiberwise Bergman kernel on test configurations.

Study Bergman kernels on Kähler manifolds, answering Lu-Tian's question.

problem Understanding Bergman kernels on Kähler manifolds and their properties.
method Localization and expansion analysis of Bergman kernels.
result Answered Lu-Tian's question about Bergman kernels having no logarithmic singularity.

We study partition functions of random Bergman metrics, with the actions defined by a class of geometric functionals known as `stability functions'. We introduce a new stability invariant - the critical value of the coupling constant - defined as the minimal coupling constant for which the partition function converges.…

2014-04-02abs ↗pdf ↗

The paper connects Bergman-Calabi diastasis to Kähler metrics with constant holomorphic sectional curvature.

problem Characterizing domains with Bergman metrics of constant holomorphic sectional curvature.
method Using the Bergman-Calabi diastasis and its connection to the Bergman representative coordinate, the paper derives explicit formulas and proves properties of these metrics.
result Domains with Bergman metrics of constant holomorphic sectional curvature are hyperconvex or exhaustively biholomorphic to a ball.

We generalize several recent results concerning the asymptotic expansions of Bergman kernels to the framework of geometric quantization and establish an asymptotic symplectic identification property. More precisely, we study the asymptotic expansion of the GG-invariant Bergman kernel of the spin^c Dirac operator assoc…

2006-07-24abs ↗pdf ↗