- Title Pages
- Introduction
- Chapter 1 Overview
- Chapter 2 Convolution of Perverse Sheaves
- Chapter 3 Fibre Functors
- Chapter 4 The Situation over a Finite Field
- Chapter 5 Frobenius Conjugacy Classes
- Chapter 6 Group-Theoretic Facts about Ggeom and Garith
- Chapter 7 The Main Theorem
- Chapter 8Isogenies, Connectedness, and Lie-Irreducibility
- Chapter 9 Autodualities and Signs
- Chapter 10 A First Construction of Autodual Objects
- Chapter 11 A Second Construction of Autodual Objects
- Chapter 12 The Previous Construction in the Nonsplit Case
- Chapter 13 Results of Goursat-Kolchin-Ribet Type
- Chapter 14The Case of SL(2); the Examples of Evans and Rudnick
- Chapter 15 Further SL(2) Examples, Based on the Legendre Family
- Chapter 16 Frobenius Tori and Weights; Getting Elements of Garith
- Chapter 17 GL(n) Examples
- Chapter 18 Symplectic Examples
- Chapter 19 Orthogonal Examples, Especially SO(n) Examples
- Chapter 20 GL(n) × GL(n) × … × GL(n) Examples
- Chapter 21 SL(n) Examples, for n an Odd Prime
- Chapter 22 SL(n) Examples with Slightly Composite n
- Chapter 23 Other SL(n) Examples
- Chapter 24 An O(2n) Example
- Chapter 25 G2 Examples: the Overall Strategy
- Chapter 26 G2 Examples: Construction in Characteristic Two
- Chapter 27 G2 Examples: Construction in Odd Characteristic
- Chapter 28 The Situation over ℤ: Results
- Chapter 29The Situation over ℤ: Questions
- Chapter 30Appendix: Deligne’s Fibre Functor
- Bibliography
- Index

# Overview

# Overview

- Chapter:
- (p.7) Chapter 1 Overview
- Source:
- Convolution and Equidistribution
- Author(s):
### Nicholas M. Katz

- Publisher:
- Princeton University Press

This chapter provides an overview of the present analysis, which grew out of two questions, raised by Ron Evans and Zeev Rudnick respectively, in May and June of 2003. Evans and Rudnick performed numerical experiments on the sums as *χ* varies over all multiplicative characters of *k*, and as *χ* varies over all nontrivial multiplicative characters of a finite field *k* of odd characteristic, respectively. Both equidistribution results of Evans and Rudnick are proven.

*Keywords:*
number theory, exponential sums, Ron Evans, Zeeev Rudnick

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- Title Pages
- Introduction
- Chapter 1 Overview
- Chapter 2 Convolution of Perverse Sheaves
- Chapter 3 Fibre Functors
- Chapter 4 The Situation over a Finite Field
- Chapter 5 Frobenius Conjugacy Classes
- Chapter 6 Group-Theoretic Facts about Ggeom and Garith
- Chapter 7 The Main Theorem
- Chapter 8Isogenies, Connectedness, and Lie-Irreducibility
- Chapter 9 Autodualities and Signs
- Chapter 10 A First Construction of Autodual Objects
- Chapter 11 A Second Construction of Autodual Objects
- Chapter 12 The Previous Construction in the Nonsplit Case
- Chapter 13 Results of Goursat-Kolchin-Ribet Type
- Chapter 14The Case of SL(2); the Examples of Evans and Rudnick
- Chapter 15 Further SL(2) Examples, Based on the Legendre Family
- Chapter 16 Frobenius Tori and Weights; Getting Elements of Garith
- Chapter 17 GL(n) Examples
- Chapter 18 Symplectic Examples
- Chapter 19 Orthogonal Examples, Especially SO(n) Examples
- Chapter 20 GL(n) × GL(n) × … × GL(n) Examples
- Chapter 21 SL(n) Examples, for n an Odd Prime
- Chapter 22 SL(n) Examples with Slightly Composite n
- Chapter 23 Other SL(n) Examples
- Chapter 24 An O(2n) Example
- Chapter 25 G2 Examples: the Overall Strategy
- Chapter 26 G2 Examples: Construction in Characteristic Two
- Chapter 27 G2 Examples: Construction in Odd Characteristic
- Chapter 28 The Situation over ℤ: Results
- Chapter 29The Situation over ℤ: Questions
- Chapter 30Appendix: Deligne’s Fibre Functor
- Bibliography
- Index