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Saturday, July 25, 2020 | History

2 edition of On the 2-modular representations of the symmetric groups. found in the catalog.

On the 2-modular representations of the symmetric groups.

Yousef Saleh Modlege Al-Yousef

On the 2-modular representations of the symmetric groups.

by Yousef Saleh Modlege Al-Yousef

  • 32 Want to read
  • 37 Currently reading

Published by University of Birmingham in Birmingham .
Written in English


Edition Notes

Thesis (Ph.D.) -University of Birmingham, Dept. of Pure Mathematics.

ID Numbers
Open LibraryOL20660976M

Point group & Group theory: 6 steps to determine point groups (Table ) - C vs. D groups 4 properties of group Matrix & Character: Multiplicity - Symmetry operations Reducible vs. irreducible representation Character table Molecular vibrations - Reduction formula - IR active vs. Raman active Chapter 4. Symmetry and Group TheoryFile Size: 6MB. 1. Representations of the symmetric group Let nbe a positive integer, S nthe symmetric group on f1;;ngand FS nthe group algebra over the eld F. We remind that if Gis a group then the group algebra FGis the vector space over F with basis G, and the multiplication in FGis given by extending the multiplication in G. The representation theory of File Size: KB.

The same thing is true of the category of representations of any Hopf algebra. $\endgroup$ – Qiaochu Yuan Dec 30 '09 at 2 $\begingroup$ In the usual statements of TK duality, the "category of representations" data consists of a (symmetric, etc.) category along with a faithful functor to VECT. We study the effect of tensoring simple modules in RoCK blocks (also known as Rouquier blocks) of symmetric groups with the one-dimensional sign representation, Author: Mark Wildon.

'This book by A. Borodin and G. Olshanski is devoted to the representation theory of the infinite symmetric group, which is the inductive limit of the finite symmetric groups and is in a sense the simplest example of an infinite-dimensional group. This book is the first work on the subject in the format of a conventional book, making the representation theory accessible to graduate students Cited by: 7. This book brings together many of the important results in this field. From the reviews: ""A classic gets even edition has new material including the Novelli-Pak-Stoyanovskii bijective proof of the hook formula, Stanley's proof of the sum of squares formula using differential posets, Fomin's bijective proof of the sum of squares formula, group acting on posets/5.


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On the 2-modular representations of the symmetric groups by Yousef Saleh Modlege Al-Yousef Download PDF EPUB FB2

On 2-modular representations of the symmetric groups We now specialize to the case where F is a field of characteristic p = 2. As we saw in the last section, braceleftbig D(λ) =F n parenleftbig L(λ) parenrightbigvextendsingle vextendsingle λ ∈ Λ + 2 (n,n) bracerightbig is a complete and irredundant set of isoclass representatives of irreducible FS n by: 4.

Let G=GLn denote the general linear group of invertible n×n matrices with entries in an algebraically closed field F of characteristic 2. We prove the Cited by: 4. This book has 4 r1 is about general theory of representations of finite r2 is about representation of symmetric r3 and 4 are about combinatorial topics and symmetric by: On 2-modular representations of the symmetric groups Article in Journal of Algebra (1)– August with 13 Reads How we measure 'reads'.

From the reviews of the second edition: "This work is an introduction to the representation theory of the symmetric group. Unlike other books on the subject this text deals with the symmetric group from three different points of view: general representation theory, combinatorial algorithms and symmetric Brand: Springer-Verlag New York.

determine all the 2-modular representations of any particular symmetric group. In the cases we consider, the 2-modular irreducible character turning up from an ordinary character x is found to be the modular character of a module, whose 2-modular character is X.

The p-residue and p-quotient of a partition are defined, and a formula is obtained relating to symmetric group characteristics.

A procedure is described whereby the mode of separation in every case may be determined, of the 0-characters of the symmetric groups into p-characters. 2 Modular Representation Theory: A First Examination We begin with a brief revision of some previous notions we’ve had in our discussion of representation theory and which results carry over.

Recall: De nition 1. A representation of a group Gover a eld Kis a group homomorphism ˆ: G!GL n(K). The main goal is to represent the group in question in a concrete way. In this thesis, we shall speci cally study the representations of the sym-metric group, S n.

To do this, we shall need some preliminary concepts from the general theory of Group Representations which is the motive of this chapter.

1File Size: KB. Representation Theory: A First Course (Fulton, W., Harris, J.) Enumerative Combinatorics (Stanley, R.) Here is an overview of the course (quoted from the course page): The representation theory of symmetric groups is a special case of the representation theory of nite groups.

Whilst the theory over characteristic zero is well understood. the modular representation theory of the general linear and symmetric groups. This has been pointed out by Verma [14] in the context of semisimple algebraic groups, but it does not seem to have been observed before in the case of the symmetric groups.

It is. Over C, there is a nice classification of the simple representations of symmetric groups. Here I give a description of how the standard representation behaves in prime characteristic, and I study the structure of the group algebras of small symmetric groups in more detail.

The general subject of representation theory sits at the crossroads of a. Representation Theory of Symmetric Groups is the most up-to-date abstract algebra book on the subject of symmetric groups and representation theory. Utilizing new research and results, this book can be studied from a combinatorial, algorithmic or algebraic viewpoint.

This book is an excellent way of introducing today’s students to. There is a book titled "Group theory and Physics" by Sternberg that covers the basics, including crystal groups, Lie groups, representations.

I think it's a good introduction to the topic. To quote a review on Amazon (albeit the only one): "This book is an excellent introduction to the use of group theory in physics, especially in crystallography, special relativity and particle physics.

An earlier reference for the minimality of these degrees over any field is n, Representations of the general symmetric group as linear groups in finite and infinite fields, Trans.

Amer. Math. Soc. 9 (), This can be found in Dickson's Collected Works.On the modular representations of the symmetric groups, Math. Ann. 43 (), – Recommend this journal Email your librarian or administrator to recommend adding this journal to your organisation's collection.

Symmetric Groups Module version: Specht modules indexed by partitions of n, de ned over any eld F. Denote by S. S has a unique irreducible quotient D. If F has characteristic 0 then S = D, these are all the simples up to isomorphism. If F has characteristic p, take to be p.

Representation Theory of Symmetric Groups is the most up-to-date abstract algebra book on the subject of symmetric groups and representation theory. Utilizing new research and results, this book can be studied from a combinatorial, algorithmic or algebraic viewpoint. This book is an excellent way o.

simple group GL(3;2) has order = 8 3 7. The following is part of its ordinary character table (the numbers that label the conjugacy classes of elements in the top row indicate the order of the elements): GL(3;2) ordinary characters g 1 2 4 3 7a 7b jC.

G(g)j 8 4 3 7 7 ˜. 11 1 1 1 1 1 ˜.File Size: 1MB. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (K), or click on a page image below to browse page by page.

Links to PubMed are also available for Selected by: 1. the same.3 The reader can find references to the books on the representation theory of the symmetric groups in the monograph by James and Kerber [18], in the book by James [17], which was translated into Russian, and in earlier textbooks. The key point of our approach, which explains the appearance of Young tableaux.

Contributors; The two one-dimensional irreducible representations spanned by \(s_N\) and \(s_1'\) are seen to be identical. This means that \(s_N\) and \(s_1'\) have the ‘same symmetry’, transforming in the same way under all of the symmetry operations of the point group and forming bases for the same matrix representation.to Lusztig’s conjecture about modular representations of reductive algebraic groups.

Modular representations of reductive algebraic groups The book [Jan] is an excellent reference for this topic. Let Gbe a connected reductive algebraic group over an algebraically closed eld k, e.g.

GL n, SO n, Sp 2n We choose a maximal torus TˆG.