2022Bulletin of the London Mathematical SocietyOpen access

Boundary behavior of the Szegö kernel

Jujie Wu, Xing Xu

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Abstract

We give a Hörmander-type localization principle for the diagonal Szegö kernel S Ω ( z ) $S_\Omega (z)$ . We also show that for each boundary point z 0 $z_0$ , S Ω ( z ) ≳ | z − z 0 | − 1 3 $S_\Omega (z)\gtrsim |z-z_0|^{-\frac{1}{3}}$ holds non-tangentially for any bounded pseudoconvex domain with smooth boundary in C 2 ${\mathbb {C}}^2$ .

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We give a Hörmander-type localization principle for the diagonal Szegö kernel S Ω ( z ) $S_\Omega (z)$ . We also show that for each boundary point z 0 $z_0$ , S Ω ( z ) ≳ | z − z 0 | − 1 3 $S_\Omega (z)\gtrsim |z-z_0|^{-\frac{1}{3}}$ holds non-tangentially for any bounded pseudoconvex domain with smooth boundary in C 2 ${\mathbb {C}}^2$ .

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Available abstract

We give a Hörmander-type localization principle for the diagonal Szegö kernel S Ω ( z ) $S_\Omega (z)$ . We also show that for each boundary point z 0 $z_0$ , S Ω ( z ) ≳ | z − z 0 | − 1 3 $S_\Omega (z)\gtrsim |z-z_0|^{-\frac{1}{3}}$ holds non-tangentially for any bounded pseudoconvex domain with smooth boundary in C 2 ${\mathbb {C}}^2$ .

Key concepts: Boundary (topology), Kernel (algebra), Domain (mathematical analysis), Bounded function, Omega, Point (geometry), Type (biology), Mathematics

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