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On the Local Structure of Morita and Rickard Equivalences between Brauer Blocks
Brauer had already introduced the defect of a block and opened the way towards a classification by solving all the problems in defects zero and one, and by providing some evidence for the finiteness of the set of blocks with a given defect. In 1959 he discovered the defect group, and in 1964 Dade determined the blocks with cyclic defect groups. In 1978 Alperin and Broué discovered the Brauer category, and Broué and the author determined the blocks having a nilpotent Brauer category. In 1979, the author discovered the source algebra which determines all the other current invariants, representing faithfully the block – and found its structure in the nilpotent blocks. Recently, the discovery by Rickard that all blocks with the same cyclic defect group and the same Brauer category have the same homotopic category focussed great interest on the new, loose relationship between blocks called Rickard equivalence. This book describes the source algebra of a block from the source algebra of a Rickard equivalent block and the source of the Rickard equivalence.
Lawfare — Judicial Warfare in Spain
For centuries, the Spanish state has proved to be an expert system for repressing political dissent and any threat that could jeopardize the maintenance of the status quo. It has done so using all the institutions and all the areas of power that were necessary, for the end has always justified the means. Carles Mundo, Catalan Minister of Justice, 2016-2017. There is no book in Spain that talks about lawfare. Nor is there a book that deals with the system of judicial repression of political dissidence deployed by the Franco regime. Nor is there a book that denounces the judicial system inherited from the dictatorial regime and that was later embodied in the 1978 Constitution. Lawfare (the com...
Frobenius Categories versus Brauer Blocks
This book contributes to important questions in modern representation theory of finite groups. It introduces and develops the abstract setting of the Frobenius categories and gives the application of the abstract setting to the blocks.
Blocks of Finite Groups
About 60 years ago, R. Brauer introduced "block theory"; his purpose was to study the group algebra kG of a finite group G over a field k of nonzero characteristic p: any indecomposable two-sided ideal that also is a direct summand of kG determines a G-block. But the main discovery of Brauer is perhaps the existence of families of infinitely many nonisomorphic groups having a "common block"; i.e., blocks having mutually isomorphic "source algebras". In this book, based on a course given by the author at Wuhan University in 1999, all the concepts mentioned are introduced, and all the proofs are developed completely. Its main purpose is the proof of the existence and the uniqueness of the "hyperfocal subalgebra" in the source algebra. This result seems fundamental in block theory; for instance, the structure of the source algebra of a nilpotent block, an important fact in block theory, can be obtained as a corollary. The exceptional layout of this bilingual edition featuring 2 columns per page (one English, one Chinese) sharing the displayed mathematical formulas is the joint achievement of the author and A. Arabia.
Representation Theory of Finite Groups
Thisseries is devoted to the publication of monographs, lecture resp. seminar notes, and other materials arising from programs of the OSU Mathemaical Research Institute. This includes proceedings of conferences or workshops held at the Institute, and other mathematical writings.
Handbook of Tilting Theory
A handbook of key articles providing both an introduction and reference for newcomers and experts alike.
Adverse Reactions to Biologics
In many areas of medicine physicians still face the great challenge of finding therapies that will meet the patients’ needs. In dermatology the challenge has arisen on multiple fronts through advances in the understanding of the immunopathogenesis of many inflammatory and malignant cutaneous disorders. Breakthroughs, combined with significant developments in targeted immunotherapy, have resulted in improved outcomes as these newer therapies are being used for both approved indications and as off-label therapies for various chronic inflammatory skin disorders and many forms of skin cancer. In the expectation that by truly understanding the safety profile of these targeted therapies patients...
Personal memories of the days of the Spanish Civil War, in Catalan and English
Lluis (1914-98), though sympathetic to the Nationalists, was forced by geography to join the Republican Army during the 1936-39 conflict. His niece Idoya (Spanish, Manchester Metropolitan U.) touches up his original Catalan and faces it with pages of English translation. She also includes a chronology, maps, a 20-page introduction, and an index.
The People's Army in the Spanish Civil War
The author of Fighting for Spain delivers “a military history focused on three major battles, Brunete, Belchite and Teruel . . . meticulously researched” (Historical Novel Society). Why did the Spanish Republic lose the Spanish Civil War—and could the Republic have won? These are the key questions Alexander Clifford addresses in this in-depth study of the People’s Army and the critical battles of Brunete, Belchite and Teruel. These battles represented the Republic’s best chance of military success, but after bitter fighting its forces were beaten back. From then on, the Republic, facing the superior army of Franco and the Nationalists, aided by Germany and Italy, faced inevitable d...
Finite Reductive Groups: Related Structures and Representations
Finite reductive groups and their representations lie at the heart of group theory. This volume treats linear representations of finite reductive groups and their modular aspects together with Hecke algebras, complex reflection groups, quantum groups, arithmetic groups, Lie groups, symmetric groups and general finite groups.
