Download e-book for iPad: Abstract Harmonic Analysis by Edwin Hewitt, Kenneth A. Ross

By Edwin Hewitt, Kenneth A. Ross

ISBN-10: 0387094342

ISBN-13: 9780387094342

ISBN-10: 3540094342

ISBN-13: 9783540094340

Summary thought is still an integral beginning for the learn of concrete situations. It exhibits what the final photo should still seem like and gives effects which are important many times. regardless of this, even though, there are few, if any introductory texts that current a unified photo of the overall summary theory.A path in summary Harmonic research deals a concise, readable creation to Fourier research on teams and unitary illustration concept. After a quick evaluation of the appropriate elements of Banach algebra thought and spectral concept, the booklet proceeds to the fundamental proof approximately in the community compact teams, Haar degree, and unitary representations, together with the Gelfand-Raikov life theorem. the writer devotes chapters to research on Abelian teams and compact teams, then explores prompted representations, that includes the imprimitivity theorem and its functions. The e-book concludes with a casual dialogue of a few additional facets of the illustration concept of non-compact, non-Abelian teams.

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The image of ϕ is contained in the Levi MQˆ and cannot be conjugated into the torus Tˆ. Hence ϕ defines an essentially discrete series L-parameter for MQ ; the dual group of MQ is inherited from that of GSp(4) as explained in Sect. 3. 18). Via this identification, we can regard ϕ as an L-parameter for GL(2) × GL(1). Note, however, that the dual group of GL(2) × GL(1) with the isomorphism inherited from ι is not the standard form of the dual group for GL(2)×GL(1). 17) of GL(2, C) × GL(1, C). This composition is given by WF w −→ (µ(w), 1) ∈ GL(2, C) × GL(1, C).

38) then this parameter can be written as σν −1/2 sp(2) × ξσν −1/2 sp(2).

Again, δ1 , δ2 and δ3 are certain natural level lowering operators from V (n) to V (n − 1). The next chart lists the results proven using Hecke operators. On the next page, another chart gives an overview of the implications between the chief results of this work. Generic Formula for Z(s, W ), Generic Formula for Z(s, W ), nonUniqueness, : L(s, π) = L(s, λπ , µπ ), supercuspidal : supercuspidal L(s, π) = L(s, λπ , µπ ), L(s, ϕπ ) = L(s, λπ , µπ ) representations Oldforms Principle representations Non-generic Non-generic nonsupercuspidal : ∗ : L(s, ϕπ ) = L(s, λπ , µπ ) supercuspidal representations representations Fig.

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Abstract Harmonic Analysis by Edwin Hewitt, Kenneth A. Ross

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