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AuthorChu, Cho-Ho. author
TitleHarmonic Functions on Groups and Fourier Algebras [electronic resource] / by Cho-Ho Chu, Anthony To-Ming Lau
ImprintBerlin, Heidelberg : Springer Berlin Heidelberg, 2002
Connect tohttp://dx.doi.org/10.1007/b83280
Descript VII, 100 p. online resource

SUMMARY

This research monograph introduces some new aspects to the theory of harmonic functions and related topics. The authors study the analytic algebraic structures of the space of bounded harmonic functions on locally compact groups and its non-commutative analogue, the space of harmonic functionals on Fourier algebras. Both spaces are shown to be the range of a contractive projection on a von Neumann algebra and therefore admit Jordan algebraic structures. This provides a natural setting to apply recent results from non-associative analysis, semigroups and Fourier algebras. Topics discussed include Poisson representations, Poisson spaces, quotients of Fourier algebras and the Murray-von Neumann classification of harmonic functionals


CONTENT

1. Introduction -- 2. Harmonic functions on locally compact groups: 2.1. Preliminaries and notation. 2.2. Poisson representation of harmonic functions. 2.3. Semigroup structures of the Poisson space. 2.4. Almost periodic harmonic functions. 2.5. Distal harmonic functions. 2.6. Transitive group actions on Poisson spaces. 2.7. Examples -- 3. Harmonic functionals on Fourier algebras: 3.1. Fourier algebras. 3.2. Harmonic functionals and associated ideals. 3.3. Jordan structures of harmonic functionals. 3.4. Classification of harmonic functionals -- References -- List of symbols -- Index


Mathematics Topological groups Lie groups Harmonic analysis Functional analysis Integral equations Potential theory (Mathematics) Functions of complex variables Mathematics Abstract Harmonic Analysis Potential Theory Integral Equations Topological Groups Lie Groups Functional Analysis Several Complex Variables and Analytic Spaces



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