Newton polyhedra and the Bergman kernel

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    The purpose of this paper is to study singularities of the Bergman kernel at the boundary for pseudoconvex domains of finite type from the viewpoint of the theory of singularities. Under some assumptions on a domainΩin ℂn+1, the Bergman kernel B(z) of Ωtakes the form near a boundary point p: B(Z) = Φ(w, ρ)/ρ2+2/dF (log(1/ρ))mF-1, where (w, ρ) is some polar coordinates on a nontangential cone Λ with apex at ρ and ρ means the distance from the boundary. Here Φ admits some asymptotic expansion with respect to the variables ρ1/m and log(1/ρ) as ρ → 0 on Λ The values of dF- > 0, mF ∈ ℤ + and m ∈ ℕ are determined by geometrical properties of the Newton polyhedron of defining functions of domains and the limit of Φ as ρ → 0 on Λ is a positive constant depending only on the Newton principal part of the defining function. Analogous results are obtained in the case of the Szegö kernel.

    Original languageEnglish
    Pages (from-to)405-440
    Number of pages36
    JournalMathematische Zeitschrift
    Issue number3
    Publication statusPublished - Mar 2004

    All Science Journal Classification (ASJC) codes

    • General Mathematics


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