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Quantization and Arithmetic (Paperback, 2008 ed.) Loot Price: R1,890
Discovery Miles 18 900
Quantization and Arithmetic (Paperback, 2008 ed.): Andr e Unterberger

Quantization and Arithmetic (Paperback, 2008 ed.)

Andr e Unterberger

Series: Pseudo-Differential Operators, 1

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Loot Price R1,890 Discovery Miles 18 900 | Repayment Terms: R177 pm x 12*

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(12) (4) Let ? be the unique even non-trivial Dirichlet character mod 12, and let ? be the unique (odd) non-trivial Dirichlet character mod 4. Consider on the line the distributions m (12) ? d (x)= ? (m)? x? , even 12 m?Z m (4) d (x)= ? (m)? x? . (1.1) odd 2 m?Z 2 i?x UnderaFouriertransformation,orundermultiplicationbythefunctionx ? e , the?rst(resp. second)ofthesedistributionsonlyundergoesmultiplicationbysome 24th (resp. 8th) root of unity. Then, consider the metaplectic representation Met, 2 a unitary representation in L (R) of the metaplectic group G, the twofold cover of the group G = SL(2,R), the de?nition of which will be recalled in Section 2: it extends as a representation in the spaceS (R) of tempered distributions. From what has just been said, if g ~ is a point of G lying above g? G,andif d = d even g ~ ?1 or d , the distribution d =Met(g~ )d only depends on the class of g in the odd homogeneousspace?\G=SL(2,Z)\G,uptomultiplicationbysomephasefactor, by which we mean any complex number of absolute value 1 depending only on g ~. On the other hand, a function u?S(R) is perfectly characterized by its scalar g ~ productsagainstthedistributionsd ,sinceonehasforsomeappropriateconstants C , C the identities 0 1 g ~ 2 2 | d ,u | dg = C u if u is even, 2 0 even L (R) ?\G

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Imprint: Birkhauser Verlag AG
Country of origin: Switzerland
Series: Pseudo-Differential Operators, 1
Release date: June 2008
First published: 2008
Authors: Andr e Unterberger
Dimensions: 240 x 170 x 8mm (L x W x T)
Format: Paperback
Pages: 147
Edition: 2008 ed.
ISBN-13: 978-3-7643-8790-7
Categories: Books > Science & Mathematics > Mathematics > General
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LSN: 3-7643-8790-4
Barcode: 9783764387907

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