Scaling asymptotics of Szegö kernels under commuting Hamiltonian actions (Q343503)

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scientific article; zbMATH DE number 6656947
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Scaling asymptotics of Szegö kernels under commuting Hamiltonian actions
scientific article; zbMATH DE number 6656947

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    Scaling asymptotics of Szegö kernels under commuting Hamiltonian actions (English)
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    28 November 2016
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    Let \(M\) be a complex projective manifold, with commuting holomorphic Hamiltonian actions of a compact Lie group \(G\) and a compact torus \(T\), which both linearize to a holomorphic positive Hermitian line bundle. The author studies the local scaling asymptotics of the equivariant Szegö kernels when the irreducible representation of \(T\) tends to infinity along a ray and the irreducible representation of \(G\) is held fixed, investigating their asymptotic concentration along certain loci defined by the moment maps.
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    scaling asymptotics
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    Tian-Yau-Zelditch expansion
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    Hardy space
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    Szegö kernel
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    Hamiltonian action
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