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E-book
Author Patrikis, Stefan, 1984- author.

Title Variations on a theorem of Tate / Stefan Patrikis
Published Providence, RI : American Mathematical Society, 2019
©2019

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Description 1 online resource (vii, 156 pages)
Series Memoirs of the American Mathematical Society, 0065-9266 ; volume 258, number 1238
Memoirs of the American Mathematical Society ; no. 1238.
Contents Cover; Title page; Chapter 1. Introduction; 1.1. Introduction; 1.2. What is assumed of the reader: Background references; 1.3. Acknowledgments; 1.4. Notation; Chapter 2. Foundations & examples; 2.1. Review of lifting results; 2.2. ℓ-adic Hodge theory preliminaries; 2.3. \mr{ }₁; 2.4. Coefficients: Generalizing Weil's CM descent of type Hecke characters; 2.5. W-algebraic representations; 2.6. Further examples: The Hilbert modular case and \mr{ }₂×\mr{ }₂\xrightarrow{⊠}\mr{ }₄; 2.7. Galois lifting: Hilbert modular case; 2.8. Spin examples
Chapter 3. Galois and automorphic lifting3.1. Lifting -algebraic representations; 3.2. Galois lifting: The general case; 3.3. Applications: Comparing the automorphic and Galois formalisms; 3.4. Monodromy of abstract Galois representations; Chapter 4. Motivic lifting; 4.1. Motivated cycles: Generalities; 4.2. Motivic lifting: The hyperkähler case; 4.3. Towards a generalized Kuga-Satake theory; Bibliography; Index of symbols; Index of terms and concepts; Back Cover
Summary "Let F be a number field. These notes explore Galois-theoretic, automorphic, and motivic analogues and refinements of Tate's basic result that continuous projective representations \mathrm{Gal}(\overline{F}/F) \to \mathrm{PGL}_n(\mathbb{C}) lift to \mathrm{GL}_n(\mathbb{C}). The author takes special interest in the interaction of this result with algebraicity (for automorphic representations) and geometricity (in the sense of Fontaine-Mazur). On the motivic side, the author studies refinements and generalizations of the classical Kuga-Satake construction. Some auxiliary results touch on: possible infinity-types of algebraic automorphic representations; comparison of the automorphic and Galois "Tannakian formalisms"; monodromy (independence-of-l) questions for abstract Galois representations."--Page v
Notes "March 2019 - Volume 258 - Number 1238 (second of 7 numbers)."
"Keywords: Galois representations, algebraic automorphic representations, motives for motivated cycles, monodromy, Kuga-Satake construction, hyperkähler varieties"--Online information
Title same as author's dissertation, Princeton University, 2012
Bibliography Includes bibliographical references (pages 147-152) and index
Notes Print version record
Subject Tate, John Torrence, 1925-2019
SUBJECT Tate, John Torrence, 1925-2019 fast
Subject Algebraic number theory.
Algebraic topology.
Galois cohomology.
Galois theory.
Topología algebraica
Números, Teoría de
Algebraic number theory
Algebraic topology
Galois cohomology
Galois theory
Form Electronic book
ISBN 9781470450670
1470450674