The Maximal Subgroups Of Positive Dimension In Exceptional Algebraic Groups PDF Download
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Author | : Martin W. Liebeck |
Publisher | : American Mathematical Soc. |
Total Pages | : 242 |
Release | : 2004 |
Genre | : Mathematics |
ISBN | : 0821834827 |
Download The Maximal Subgroups of Positive Dimension in Exceptional Algebraic Groups Book in PDF, ePub and Kindle
Intends to complete the determination of the maximal subgroups of positive dimension in simple algebraic groups of exceptional type over algebraically closed fields. This title follows work of Dynkin, who solved the problem in characteristic zero, and Seitz who did likewise over fields whose characteristic is not too small.
Author | : Gary M. Seitz |
Publisher | : American Mathematical Soc. |
Total Pages | : 205 |
Release | : 1991 |
Genre | : Mathematics |
ISBN | : 0821825046 |
Download Maximal Subgroups of Exceptional Algebraic Groups Book in PDF, ePub and Kindle
Let [italic]G be a simple algebraic group of exceptional type over an algebraically closed field of characteristic [italic]p. The subgroups of [italic]G maximal with respect to being closed and connected are determined, although mild restrictions on [italic]p are required in dealing with certain simple subgroups of low rank. For [italic]p = 0 we recover the results of Dynkin.
Author | : Martin W. Liebeck |
Publisher | : American Mathematical Soc. |
Total Pages | : 122 |
Release | : 1996 |
Genre | : Mathematics |
ISBN | : 0821804618 |
Download Reductive Subgroups of Exceptional Algebraic Groups Book in PDF, ePub and Kindle
The theory of simple algebraic groups is important in many areas of mathematics. The authors of this book investigate the subgroups of certain types of simple algebraic groups and obtain a complete description of all those subgroups which are themselves simple. This description is particularly useful in understanding centralizers of subgroups and restrictions of representations.
Author | : Gary M. Seitz |
Publisher | : American Mathematical Soc. |
Total Pages | : 294 |
Release | : 1987 |
Genre | : Linear algebraic groups |
ISBN | : 0821824279 |
Download The Maximal Subgroups of Classical Algebraic Groups Book in PDF, ePub and Kindle
Let [italic]V be a finite dimensional vector space over an algebraically closed field of characteristic p [greater than] 0 and let G = SL([italic]V), Sp([italic]V), or SO([italic]V). The main result describes all closed, connected, overgroups of [italic]X in SL([italic]V), assuming [italic]X is a closed, connected, irreducible subgroup of G.
Author | : Adam R. Thomas |
Publisher | : American Mathematical Soc. |
Total Pages | : 191 |
Release | : 2021-06-18 |
Genre | : Education |
ISBN | : 1470443376 |
Download The Irreducible Subgroups of Exceptional Algebraic Groups Book in PDF, ePub and Kindle
This paper is a contribution to the study of the subgroup structure of excep-tional algebraic groups over algebraically closed fields of arbitrary characteristic. Following Serre, a closed subgroup of a semisimple algebraic group G is called irreducible if it lies in no proper parabolic subgroup of G. In this paper we com-plete the classification of irreducible connected subgroups of exceptional algebraic groups, providing an explicit set of representatives for the conjugacy classes of such subgroups. Many consequences of this classification are also given. These include results concerning the representations of such subgroups on various G-modules: for example, the conjugacy classes of irreducible connected subgroups are determined by their composition factors on the adjoint module of G, with one exception. A result of Liebeck and Testerman shows that each irreducible connected sub-group X of G has only finitely many overgroups and hence the overgroups of X form a lattice. We provide tables that give representatives of each conjugacy class of connected overgroups within this lattice structure. We use this to prove results concerning the subgroup structure of G: for example, when the characteristic is 2, there exists a maximal connected subgroup of G containing a conjugate of every irreducible subgroup A1 of G.
Author | : Donna M. Testerman |
Publisher | : American Mathematical Soc. |
Total Pages | : 198 |
Release | : 1988 |
Genre | : Embeddings |
ISBN | : 0821824538 |
Download Irreducible Subgroups of Exceptional Algebraic Groups Book in PDF, ePub and Kindle
Let [italic]Y be a simply-connected, simple algebraic group of exceptional type, defined over an algebraically closed field [italic]k of prime characteristic [italic]p > 0. The main result describes all semisimple, closed connected subgroups of [italic]Y which act irreducibly on some rational [italic]k[italic]Y module [italic]V. This extends work of Dynkin who obtained a similar classification for algebraically closed fields of characteristic 0. The main result has been combined with work of G. Seitz to obtain a classification of the maximal closed connected subgroups of the classical algebraic groups defined over [italic]k.
Author | : Gunter Malle |
Publisher | : Cambridge University Press |
Total Pages | : 324 |
Release | : 2011-09-08 |
Genre | : Mathematics |
ISBN | : 113949953X |
Download Linear Algebraic Groups and Finite Groups of Lie Type Book in PDF, ePub and Kindle
Originating from a summer school taught by the authors, this concise treatment includes many of the main results in the area. An introductory chapter describes the fundamental results on linear algebraic groups, culminating in the classification of semisimple groups. The second chapter introduces more specialized topics in the subgroup structure of semisimple groups and describes the classification of the maximal subgroups of the simple algebraic groups. The authors then systematically develop the subgroup structure of finite groups of Lie type as a consequence of the structural results on algebraic groups. This approach will help students to understand the relationship between these two classes of groups. The book covers many topics that are central to the subject, but missing from existing textbooks. The authors provide numerous instructive exercises and examples for those who are learning the subject as well as more advanced topics for research students working in related areas.
Author | : Alexander Anatolievich Ivanov |
Publisher | : World Scientific |
Total Pages | : 347 |
Release | : 2003-03-19 |
Genre | : Mathematics |
ISBN | : 9814486426 |
Download Groups, Combinatorics And Geometry Book in PDF, ePub and Kindle
Over the past 20 years, the theory of groups — in particular simple groups, finite and algebraic — has influenced a number of diverse areas of mathematics. Such areas include topics where groups have been traditionally applied, such as algebraic combinatorics, finite geometries, Galois theory and permutation groups, as well as several more recent developments. Among the latter are probabilistic and computational group theory, the theory of algebraic groups over number fields, and model theory, in each of which there has been a major recent impetus provided by simple group theory. In addition, there is still great interest in local analysis in finite groups, with substantial new input from methods of geometry and amalgams, and particular emphasis on the revision project for the classification of finite simple groups.This important book contains 20 survey articles covering many of the above developments. It should prove invaluable for those working in the theory of groups and its applications.
Author | : Alastair J. Litterick |
Publisher | : American Mathematical Soc. |
Total Pages | : 156 |
Release | : 2018-05-29 |
Genre | : Affine algebraic groups |
ISBN | : 1470428377 |
Download On Non-Generic Finite Subgroups of Exceptional Algebraic Groups Book in PDF, ePub and Kindle
Author | : Martin W. Liebeck |
Publisher | : American Mathematical Soc. |
Total Pages | : 394 |
Release | : 2012-01-25 |
Genre | : Mathematics |
ISBN | : 0821869205 |
Download Unipotent and Nilpotent Classes in Simple Algebraic Groups and Lie Algebras Book in PDF, ePub and Kindle
This book concerns the theory of unipotent elements in simple algebraic groups over algebraically closed or finite fields, and nilpotent elements in the corresponding simple Lie algebras. These topics have been an important area of study for decades, with applications to representation theory, character theory, the subgroup structure of algebraic groups and finite groups, and the classification of the finite simple groups. The main focus is on obtaining full information on class representatives and centralizers of unipotent and nilpotent elements. Although there is a substantial literature on this topic, this book is the first single source where such information is presented completely in all characteristics. In addition, many of the results are new--for example, those concerning centralizers of nilpotent elements in small characteristics. Indeed, the whole approach, while using some ideas from the literature, is novel, and yields many new general and specific facts concerning the structure and embeddings of centralizers.