Английская Википедия:Harish-Chandra transform

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In mathematical representation theory, the Harish-Chandra transform is a linear map from functions on a reductive Lie group to functions on a parabolic subgroup. It was introduced by Шаблон:Harvs.

The Harish-Chandra transform fP of a function f on the group G is given by

<math> f^P(m) =a^{-\rho}\int_Nf(nm)\,dn</math>

where P = MAN is the Langlands decomposition of a parabolic subgroup.

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