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AuthorThangavelu, Sundaram. author
TitleHarmonic Analysis on the Heisenberg Group [electronic resource] / by Sundaram Thangavelu
ImprintBoston, MA : Birkhรคuser Boston : Imprint: Birkhรคuser, 1998
Connect tohttp://dx.doi.org/10.1007/978-1-4612-1772-5
Descript XII, 195 p. online resource

SUMMARY

The Heisenberg group plays an important role in several branches of mathematics, such as representation theory, partial differential equations, number theory, several complex variables and quantum mechanics. This monograph deals with various aspects of harmonic analysis on the Heisenberg group, which is the most commutative among the non-commutative Lie groups, and hence gives the greatest opportunity for generalizing the remarkable results of Euclidean harmonic analysis. The aim of this text is to demonstrate how the standard results of abelian harmonic analysis take shape in the non-abelian setup of the Heisenberg group. Several results in this monograph appear for the first time in book form, and some theorems have not appeared elsewhere. The detailed discussion of the representation theory of the Heisenberg group goes well beyond the basic Stone-von Neumann theory, and its relations to classical special functions is invaluable for any reader interested in this group. Topic covered include the Plancherel and Paleyโ{128}{148}Wiener theorems, spectral theory of the sublaplacian, Wiener-Tauberian theorems, Bochnerโ{128}{148}Riesz means and multipliers for the Fourier transform. Thangavelu's exposition is clear and well developed, and leads to several problems worthy of further consideration. Any reader who is interested in pursuing research on the Heisenberg group will find this unique and self-contained text invaluable


CONTENT

1 The Group Fourier Transform -- 1.1 The Heisenberg group -- 1.2 The Schrรถdinger representations -- 1.3 The Fourier and Weyl transforms -- 1.4 Hermite and special Hermite functions -- 1.5 Paleyโ{128}{148}Wiener theorems for the Fourier transform -- 1.6 An uncertainty principle on the Heisenberg group -- 1.7 Notes and references -- 2 Analysis of the Sublaplacian -- 2.1 Spectral theory of the sublaplacian -- 2.2 Spectral decomposition for Lp functions -- 2.3 Restriction theorems for the spectral projections -- 2.4 A Paley-Wiener theorem for the spectral projections -- 2.5 Bochner-Riesz means for the sublaplacian -- 2.6 A multiplier theorem for the Fourier transform -- 2.7 Notes and references -- 3 Group Algebras and Applications -- 3.1 The Heisenberg motion group -- 3.2 Gelfand pairs, spherical functions and group algebras -- 3.3 An algebra of radial measures -- 3.4 Analogues of Wiener-Tauberian theorem -- 3.5 Spherical means on the Heisenberg group -- 3.6 A maximal theorem for spherical means -- 3.7 Notes and references -- 4 The Reduced Heisenberg Group -- 4.1 The reduced Heisenberg group -- 4.2 A Wiener-Tauberian theorem for Lp functions -- 4.3 A maximal theorem for spherical means -- 4.4 Mean periodic functions on phase space -- 4.5 Notes and references


Mathematics Group theory Harmonic analysis Mathematics Abstract Harmonic Analysis Group Theory and Generalizations



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