Download Analytic Properties of Automorphic L-Functions by Stephen Gelbart, J. Coates, S. Helgason, Freydoon Shahidi PDF

By Stephen Gelbart, J. Coates, S. Helgason, Freydoon Shahidi

Analytic houses of Automorphic L-Functions is a three-chapter textual content that covers massive examine works at the automorphic L-functions hooked up by way of Langlands to reductive algebraic teams.

Chapter I makes a speciality of the research of Jacquet-Langlands equipment and the Einstein sequence and Langlands’ so-called “Euler products”. This bankruptcy explains how neighborhood and worldwide zeta-integrals are used to end up the analytic continuation and sensible equations of the automorphic L-functions hooked up to GL(2). bankruptcy II offers with the advancements and refinements of the zeta-inetgrals for GL(n). bankruptcy III describes the implications for the L-functions L (s, ?, r), that are thought of within the consistent phrases of Einstein sequence for a few quasisplit reductive group.

This booklet may be of price to undergraduate and graduate arithmetic scholars.

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In more detail, we attach a section s — • /β^χ(^) ^° 2 Bruhat function Φ = ΤΙνΦν in 5 ( A ) as follows. 2) f*x(g) = \det g\°'+^ 2sf+1 f ^([0,t]g)\t\ where s = s - - w - x (t)d t X e a nc Schwartz- , 1 It is easy to check that ffx 1 2 belongs to IH '* (s) for each Φ in 5 ( A ) ; indeed, this is a formal computation, valid at first only for Re(s) large, but then for all s* thanks to the global theory of zeta-integrals ([Tatel]). We note that the substitution s — • 1 — s corresponds to the substitution f f s —• —s', since s = s — \.

Any connected reductive algebraic group which is denned over F , and splits over some finite Galois extension Κ of F. Then we consider the "finite L form" of the L-group G over F obtained by dividing Τ ρ by the closed normal subgroup Gal(F/K) which acts trivially on (ipo(G,T) and hence) Thus we replace Tp by the finite group Gal(K/F), and consider the group L L G = G° xi Gal(K/F) L G°. which is a complex reductive Lie group with connected component For almost every place ν of F it is known (cf.

Has the matrix form g\ + ig2 with respect to some basis 3 &1>&2>&3 of if , with <7i,02 in GL^(F), then it is easy to check that g - 27 - (regarded as a linear transformation of the six dimensional space if 3 over F) has the matrix form with respect to the basis ( 92 i 92 2 \ \ 92 91 ) &2, &3, i&2, ^ 3 } . e. , G is indeed defined over F. On the other hand, as a group over K, G « GL$ via the isomorphism 2 / 91 i 92 λ \9292 91 J 91 + 192 L Thus G° is just GL3( (C). 1 0 1 0 1 • 0 0. 1 0 1 0 where 1• 0 0.

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