Eisenstein Cohomology for GL‹sub›N‹/sub› and the Special Values of Rankin–Selberg L-Functions
Eisenstein Cohomology for GL‹sub›N‹/sub› and the Special Values of Rankin–Selberg L-Functions:

This book studies the interplay between the geometry and topology of locally symmetric spaces, and the arithmetic aspects of the special values of L-functions.The authors study the cohomology of locally symmetric spaces for GL(N) where the cohomology groups are with coefficients in a local system at...

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Bibliographic Details
Main Authors: Raghuram, A. (Author), Harder, Günter 1938-2025 (Author)
Format: Electronic eBook
Language:English
Published: Princeton ; NJ Princeton University Press [2020]
Series:Annals of mathematics studies Number 203
Subjects:
MATHEMATICS / Number Theory
Arithmetic groups
Cohomology operations
L-functions
Number theory
Shimura varieties
Online Access:DE-1043
DE-1046
DE-858
DE-898
DE-859
DE-860
DE-91
DE-20
DE-739
UYW01
Volltext
Summary:This book studies the interplay between the geometry and topology of locally symmetric spaces, and the arithmetic aspects of the special values of L-functions.The authors study the cohomology of locally symmetric spaces for GL(N) where the cohomology groups are with coefficients in a local system attached to a finite-dimensional algebraic representation of GL(N). The image of the global cohomology in the cohomology of the Borel–Serre boundary is called Eisenstein cohomology, since at a transcendental level the cohomology classes may be described in terms of Eisenstein series and induced representations. However, because the groups are sheaf-theoretically defined, one can control their rationality and even integrality properties. A celebrated theorem by Langlands describes the constant term of an Eisenstein series in terms of automorphic L-functions. A cohomological interpretation of this theorem in terms of maps in Eisenstein cohomology allows the authors to study the rationality properties of the special values of Rankin–Selberg L-functions for GL(n) x GL(m), where n + m = N. The authors carry through the entire program with an eye toward generalizations.This book should be of interest to advanced graduate students and researchers interested in number theory, automorphic forms, representation theory, and the cohomology of arithmetic groups
Physical Description:1 Online-Ressource (ix,236 Seiten) Illustrationen
ISBN:9780691197937
DOI:10.1515/9780691197937

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