Limiting Behavior of Determinantal Point Processes Associated with Weighted Bergman Kernels

Abstract Let $$\Omega $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>Ω</mml:mi> </mml:math> be a bounded pseudoconvex domain in $${\mathbb {C}}^n$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow> <mml:mi>C</mml:mi> </mml:mrow> <mml:mi>n</mml:mi> </mml:msup> </mml:math> , and let $$\phi $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ϕ</mml:mi> </mml:math> be a strictly plurisubharmonic function on $$\Omega $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>Ω</mml:mi> </mml:math> . For each $$k\in {\mathbb {N}}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>k</mml:mi> <mml:mo>∈</mml:mo> <mml:mi>N</mml:mi> </mml:mrow> </mml:math> , we consider determinantal point process $$\Lambda _k$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>Λ</mml:mi> <mml:mi>k</mml:mi> </mml:msub> </mml:math> with kernel $$K_{k\phi }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>K</mml:mi> <mml:mrow> <mml:mi>k</mml:mi> <mml:mi>ϕ</mml:mi> </mml:mrow> </mml:msub> </mml:math> , where $$K_{k\phi }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>K</mml:mi> <mml:mrow> <mml:mi>k</mml:mi> <mml:mi>ϕ</mml:mi> </mml:mrow> </mml:msub> </mml:math> is the reproducing kernel of infinite dimensional weighted Bergman space $$H(k\phi )$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>H</mml:mi> <mml:mo>(</mml:mo> <mml:mi>k</mml:mi> <mml:mi>ϕ</mml:mi> <mml:mo>)</mml:mo> </mml:mrow> </mml:math> with weight $$e^{-k\phi }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>e</mml:mi> <mml:mrow> <mml:mo>-</mml:mo> <mml:mi>k</mml:mi> <mml:mi>ϕ</mml:mi> </mml:mrow> </mml:msup> </mml:math> . We show that the scaled cumulant generating function for $$\Lambda _k$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>Λ</mml:mi> <mml:mi>k</mml:mi> </mml:msub> </mml:math> converges as $$k\rightarrow \infty $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>k</mml:mi> <mml:mo>→</mml:mo> <mml:mi>∞</mml:mi> </mml:mrow> </mml:math> to a certain limit, which can be explicitly expressed in terms of $$\phi $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ϕ</mml:mi> </mml:math> and a test function u . Note that we need to restrict the class of test function u to those that are $$\phi $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ϕ</mml:mi> </mml:math> -admissible, which amounts to imposing a positivity condition on their complex Hessians.

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Journal
Complex Analysis and Operator Theory
Published
2025-09-20
DOI
https://doi.org/10.1007/s11785-025-01821-4
Primary Topic
Geometry and complex manifolds
Type
article
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article

Limiting Behavior of Determinantal Point Processes Associated with Weighted Bergman Kernels

Kiyoon Eum
Complex Analysis and Operator Theory
Geometry and complex manifolds
article

Limiting Behavior of Determinantal Point Processes Associated with Weighted Bergman Kernels

Kiyoon Eum
article en

Abstract

Abstract Let $$\Omega $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>Ω</mml:mi> </mml:math> be a bounded pseudoconvex domain in $${\mathbb {C}}^n$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow> <mml:mi>C</mml:mi> </mml:mrow> <mml:mi>n</mml:mi> </mml:msup> </mml:math> , and let $$\phi $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ϕ</mml:mi> </mml:math> be a strictly plurisubharmonic function on $$\Omega $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>Ω</mml:mi> </mml:math> . For each $$k\in {\mathbb {N}}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>k</mml:mi> <mml:mo>∈</mml:mo> <mml:mi>N</mml:mi> </mml:mrow> </mml:math> , we consider determinantal point process $$\Lambda _k$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>Λ</mml:mi> <mml:mi>k</mml:mi> </mml:msub> </mml:math> with kernel $$K_{k\phi }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>K</mml:mi> <mml:mrow> <mml:mi>k</mml:mi> <mml:mi>ϕ</mml:mi> </mml:mrow> </mml:msub> </mml:math> , where $$K_{k\phi }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>K</mml:mi> <mml:mrow> <mml:mi>k</mml:mi> <mml:mi>ϕ</mml:mi> </mml:mrow> </mml:msub> </mml:math> is the reproducing kernel of infinite dimensional weighted Bergman space $$H(k\phi )$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>H</mml:mi> <mml:mo>(</mml:mo> <mml:mi>k</mml:mi> <mml:mi>ϕ</mml:mi> <mml:mo>)</mml:mo> </mml:mrow> </mml:math> with weight $$e^{-k\phi }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>e</mml:mi> <mml:mrow> <mml:mo>-</mml:mo> <mml:mi>k</mml:mi> <mml:mi>ϕ</mml:mi> </mml:mrow> </mml:msup> </mml:math> . We show that the scaled cumulant generating function for $$\Lambda _k$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>Λ</mml:mi> <mml:mi>k</mml:mi> </mml:msub> </mml:math> converges as $$k\rightarrow \infty $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>k</mml:mi> <mml:mo>→</mml:mo> <mml:mi>∞</mml:mi> </mml:mrow> </mml:math> to a certain limit, which can be explicitly expressed in terms of $$\phi $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ϕ</mml:mi> </mml:math> and a test function u . Note that we need to restrict the class of test function u to those that are $$\phi $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ϕ</mml:mi> </mml:math> -admissible, which amounts to imposing a positivity condition on their complex Hessians.

Complex Analysis and Operator TheoryVol. 19(7)
Korea Advanced Institute of Science and Technology (KR), Department of Mathematical Sciences (RU), National Institute for Mathematical Sciences (KR)
Openalex Percentile: Top 69%
Geometry and complex manifolds
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