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arXiv 2011.09124math.CV
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G-等变SzegIgn核的渐近性

Asymptotics of G-equivariant Szegő kernels

Rung-Tzung Huang, Guokuan Shao

摘要:

设$(X, T^{1,0}X)$是具有非退化Levi曲率的维数为$2n+1$的紧致连通可定向CR流形.设$X$允许一个连通紧李群$G$作用.在关于群$G$作用的某些自然假设下,定义了$G$ -等变SzegIgn核,并建立了相应的Boutet de Monvel-Sjöstrand型定理.当$X$也允许一个横截CR $S^1$作用时,我们研究了$G$ -等变SzegIgn核关于$S^1$作用的Fourier分量的渐近性.

英文摘要:

Let $(X, T^{1,0}X)$ be a compact connected orientable CR manifold of dimension $2n+1$ with non-degenerate Levi curvature. Assume that $X$ admits a connected compact Lie group $G$ action. Under certain natural assumptions about the group $G$ action, we define $G$-equivariant Szegő kernels and establish the associated Boutet de Monvel-Sjöstrand type theorems. When $X$ admits also a transversal CR $S^1$ action, we study the asymptotics of Fourier components of $G$-equivariant Szegő kernels with respect to the $S^1$ action.

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