Quantitative Carleman‐type estimates for holomorphic sections over bounded domains

Abstract This paper establishes quantitative Carleman‐type inequalities for holomorphic sections of Hermitian vector bundles over bounded domains in with . We first prove a Sobolev‐type inequality with explicit constants for the Laplace operator, which leads to quantitative Carleman‐type estimates for holomorphic functions. These results are then extended to holomorphic sections of Hermitian vector bundles satisfying certain curvature restrictions, yielding quantitative versions where previously only non‐quantitative forms were available. The proofs refine existing methods through careful constant tracking and by estimating the radius of the uniform sphere condition of the boundary through the Lipschitz constant of its outward unit normal vector.

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Journal
Journal of the London Mathematical Society
Published
2026-09-30
DOI
https://doi.org/10.1112/jlms.70717
Primary Topic
Geometry and complex manifolds
Type
article
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article

Quantitative Carleman‐type estimates for holomorphic sections over bounded domains

Xiangsen Qin
Journal of the London Mathematical Society
Geometry and complex manifolds
article

Quantitative Carleman‐type estimates for holomorphic sections over bounded domains

Xiangsen Qin
article en

Abstract

Abstract This paper establishes quantitative Carleman‐type inequalities for holomorphic sections of Hermitian vector bundles over bounded domains in with . We first prove a Sobolev‐type inequality with explicit constants for the Laplace operator, which leads to quantitative Carleman‐type estimates for holomorphic functions. These results are then extended to holomorphic sections of Hermitian vector bundles satisfying certain curvature restrictions, yielding quantitative versions where previously only non‐quantitative forms were available. The proofs refine existing methods through careful constant tracking and by estimating the radius of the uniform sphere condition of the boundary through the Lipschitz constant of its outward unit normal vector.

Journal of the London Mathematical SocietyVol. 114(4)
Nankai University (CN)
Openalex Percentile: Top 87%
Geometry and complex manifolds
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