Paley–Wiener theorem for real reductive groups

E877881

The Paley–Wiener theorem for real reductive groups is a fundamental result in harmonic analysis that characterizes the image of compactly supported smooth functions under the group Fourier transform in terms of holomorphic functions with specific growth and support conditions.

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Paley–Wiener theorem for real reductive groups canonical 1

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Predicate Object
instanceOf mathematical theorem
result in harmonic analysis
appliesTo real reductive groups
associatedWith David A. Vogan Jr. NERFINISHED
Elyahu P. Stein NERFINISHED
Harish-Chandra NERFINISHED
Michel Duflo NERFINISHED
Nolan R. Wallach NERFINISHED
Patrick Delorme NERFINISHED
Paul Sally NERFINISHED
characterizes image of compactly supported smooth functions under the group Fourier transform
support of a function via exponential type of its transform
codomain space of holomorphic functions on a suitable complexified parameter space
concerns Fourier transform on real reductive groups
Harish-Chandra transform NERFINISHED
support properties of matrix coefficients
describesAs holomorphic functions on the complexified dual of a Cartan subalgebra
domain space of compactly supported smooth functions on a real reductive group
field harmonic analysis
noncommutative harmonic analysis
representation theory
generalizes Paley–Wiener theorem for compact Lie groups NERFINISHED
classical Paley–Wiener theorem on ℝⁿ NERFINISHED
gives necessary and sufficient conditions for a holomorphic function to be a Fourier transform of a compactly supported smooth function
hasVersion Paley–Wiener theorem for K-finite functions NERFINISHED
Paley–Wiener theorem for Schwartz space on real reductive groups NERFINISHED
spherical Paley–Wiener theorem for real reductive groups NERFINISHED
imposesConditionOn growth of holomorphic functions
support of holomorphic functions
involves Weyl group invariance conditions
discrete series representations
parabolic induction
tempered representations
mathematicalSubjectClassification 22E30
43A85
relatedTo Fourier inversion formula on real reductive groups
Harish-Chandra c-function NERFINISHED
Plancherel theorem for real reductive groups NERFINISHED
spherical Fourier transform
usedIn Langlands program NERFINISHED
harmonic analysis on semisimple Lie groups
spectral decomposition of L²(G)
study of automorphic representations
trace formula NERFINISHED
usesConcept Cartan subalgebra NERFINISHED
Cartan subgroup NERFINISHED
Harish-Chandra’s Plancherel theory NERFINISHED
Iwasawa decomposition NERFINISHED
real reductive Lie group

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Plancherel theorem for real reductive groups isRelatedTo Paley–Wiener theorem for real reductive groups