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Lectures on Tight Closure and Its Applications
American Mathematical Society (Publisher)
Published on 27. January 2026
Book
Paperback/Softback
271 pages
978-1-4704-7838-4 (ISBN)
Description
This volume consists of edited lecture notes from two events at the International Centre for Theoretical Physics (ICTP) in Trieste, Italy, organized in honor of Melvin Hochster and Craig Huneke. The two events were the online International Graduate course on Tight Closure and Its Applications, spread over summer 2022 and the May 2023 School on Commutative Algebra and Algebraic Geometry in Prime Characteristics. The unifying basis of these events was the theory of tight closure, the brainchild of Melvin Hochster and Craig Huneke in the late 1980s, which has had a dramatic effect on the field of commutative algebra, giving unified proofs and strong generalizations of many major theorems in commutative algebra, and stimulating much research, including recent proofs of longstanding conjectures. The aim of the two events as well as of this volume is to provide training in the foundations of commutative algebra and algebraic geometry in prime characteristic and to present some of the exciting recent developments in and beyond tight closure. The lecture notes for the online school also come with exercises and solutions. The topics in the volume include characteristic p methods, test ideals, direct summands, singularities, Hilbert-Kunz multiplicity, Briancon-Skoda theorems, big Cohen-Macaulay algebras, the localization problem, uniform Artin-Rees results, vector bundles and tight closure, singularity invariants. The intended audience is graduate students learning the material as well as researchers wanting the latest advances in one reference.
More details
Series
Language
English
Place of publication
Providence
United States
Target group
Professional and scholarly
Dimensions
Height: 254 mm
Width: 178 mm
ISBN-13
978-1-4704-7838-4 (9781470478384)
Copyright in bibliographic data is held by Nielsen Book Services Limited or its licensors: all rights reserved.
Persons
Irena Swanson, Purdue University, West Lafayette, IN, and Kei-ichi Watanabe, Nihon University, Tokyo, Japan
Content
Online Inernational Graduate course on Tight Closure and Its Applications, summer 2022; Neil Epstein and Kriti Goel
An introduction to the tight closure operation; Florian Enescu and Kyle Maddox
F-rational rings and rational singularities; Kevin Tucker and Kenta Sato
Three lectures on test ideals; Vijayalaxmi Trivedi and Mandira Mondal
Hilbert-Kunz multiplicity; Ian M. Aberbach and Suprajo Das
Briancon-Skoda theorems in positive characteristic; Thomas Polstra and Mitra Koley
On the applications of big Cohen-Macaulay modules and algebras; Irena Swanson and Kriti Goel
Uniform Artin Rees results; Wenliang Zhang and Sudeshna Roy
Lectures on the localization problem in tight closure; School on Commutative Algebra and Algebraic Geometry in Prime Characteristics
May 2023; Ilya Smirnov
An invitation to equimultiplicity of F-invariants; Holger Brenner
Vector bundles and tight closures; Kei-ichi Watanabe
F-singularities; Characteristic $p$ methods in commutative ring theory and algebraic geometry; Linquan Ma and Kevin Tucker
An introduction to singularities in commutative algebra via perfectoid big Cohen-Macaulay algebras
An introduction to the tight closure operation; Florian Enescu and Kyle Maddox
F-rational rings and rational singularities; Kevin Tucker and Kenta Sato
Three lectures on test ideals; Vijayalaxmi Trivedi and Mandira Mondal
Hilbert-Kunz multiplicity; Ian M. Aberbach and Suprajo Das
Briancon-Skoda theorems in positive characteristic; Thomas Polstra and Mitra Koley
On the applications of big Cohen-Macaulay modules and algebras; Irena Swanson and Kriti Goel
Uniform Artin Rees results; Wenliang Zhang and Sudeshna Roy
Lectures on the localization problem in tight closure; School on Commutative Algebra and Algebraic Geometry in Prime Characteristics
May 2023; Ilya Smirnov
An invitation to equimultiplicity of F-invariants; Holger Brenner
Vector bundles and tight closures; Kei-ichi Watanabe
F-singularities; Characteristic $p$ methods in commutative ring theory and algebraic geometry; Linquan Ma and Kevin Tucker
An introduction to singularities in commutative algebra via perfectoid big Cohen-Macaulay algebras