Sheaves And Functions Modulo P
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Sheaves and Functions Modulo p
Author: Lenny Taelman
language: en
Publisher: Cambridge University Press
Release Date: 2016
Describes how to use coherent sheaves and cohomology to prove combinatorial and number theoretical identities over finite fields.
Sheaves and Functions Modulo P
The Woods Hole trace formula is a Lefschetz fixed-point theorem for coherent cohomology on algebraic varieties. It leads to a version of the sheaves-functions dictionary of Deligne, relating characteristic-p-valued functions on the rational points of varieties over finite fields to coherent modules equipped with a Frobenius structure. This book begins with a short introduction to the homological theory of crystals of Böckle and Pink with the aim of introducing the sheaves-functions dictionary as quickly as possible, illustrated with elementary examples and classical applications. Subsequently, the theory and results are expanded to include infinite coefficients, L-functions, and applications to special values of Goss L-functions and zeta functions. Based on lectures given at the Morningside Center in Beijing in 2013, this book serves as both an introduction to the Woods Hole trace formula and the sheaves-functions dictionary, and to some advanced applications on characteristic p zeta values.
Zeta and L-Functions of Varieties and Motives
Author: Bruno Kahn
language: en
Publisher: Cambridge University Press
Release Date: 2020-05-07
Discover how zeta and L-functions have shaped the development of major parts of mathematics over the past two centuries.