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Representation Theory of Symmetric Groups: Discrete Mathematics and Its Applications

Autor Pierre-Loic Meliot
en Limba Engleză Paperback – 21 ian 2023
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 representation theory of the symmetric groups, namely classical theory. From there, the book explains how the theory can be extended to other related combinatorial algebras like the Iwahori-Hecke algebra.


In a clear and concise manner, the author presents the case that most calculations on symmetric group can be performed by utilizing appropriate algebras of functions. Thus, the book explains how some Hopf algebras (symmetric functions and generalizations) can be used to encode most of the combinatorial properties of the representations of symmetric groups.


Overall, the book is an innovative introduction to representation theory of symmetric groups for graduate students and researchers seeking new ways of thought.
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Specificații

ISBN-13: 9781032476926
ISBN-10: 1032476923
Pagini: 682
Ilustrații: 134
Dimensiuni: 156 x 234 mm
Greutate: 0.93 kg
Ediția:1
Editura: CRC Press
Colecția CRC Press
Seria Discrete Mathematics and Its Applications


Recenzii

  "The book will be most useful as a reference for researchers...I believe it is a valuable contribution to the literature on
the symmetric group and related algebras."
~Mark J. Wildon, Mathematical Reviews, March 2018

Cuprins



I Symmetric groups and symmetric functions


Representations of finite groups and semisimple algebras


Finite groups and their representations


Characters and constructions on representations


The non-commutative Fourier transform


Semisimple algebras and modules


The double commutant theory


Symmetric functions and the Frobenius-Schur isomorphism


Conjugacy classes of the symmetric groups


The five bases of the algebra of symmetric functions


The structure of graded self-adjoint Hopf algebra


The Frobenius-Schur isomorphism


The Schur-Weyl duality


Combinatorics of partitions and tableaux


Pieri rules and Murnaghan-Nakayama formula


The Robinson-Schensted-Knuth algorithm


Construction of the irreducible representations


The hook-length formula


II Hecke algebras and their representations


Hecke algebras and the Brauer-Cartan theory


Coxeter presentation of symmetric groups


Representation theory of algebras


Brauer-Cartan deformation theory


Structure of generic and specialised Hecke algebras


Polynomial construction of the q-Specht modules


Characters and dualities for Hecke algebras


Quantum groups and their Hopf algebra structure


Representation theory of the quantum groups


Jimbo-Schur-Weyl duality


Iwahori-Hecke duality


Hall-Littlewood polynomials and characters of Hecke algebras


Representations of the Hecke algebras specialised at q = 0


Non-commutative symmetric functions


Quasi-symmetric functions


The Hecke-Frobenius-Schur isomorphisms


III Observables of partitions


The Ivanov-Kerov algebra of observables


The algebra of partial permutations


Coordinates of Young diagrams and their moments


Change of basis in the algebra of observables


Observables and topology of Young diagrams


The Jucys-Murphy elements


The Gelfand-Tsetlin subalgebra of the symmetric group algebra


Jucys-Murphy elements acting on the Gelfand-Tsetlin basis


Observables as symmetric functions of the contents


Symmetric groups and free probability


Introduction to free probability


Free cumulants of Young diagrams


Transition measures and Jucys-Murphy elements


The algebra of admissible set partitions


The Stanley-Féray formula and Kerov polynomials


New observables of Young diagrams


The Stanley-Féray formula for characters of symmetric groups


Combinatorics of the Kerov polynomials


IV Models of random Young diagrams


Representations of the infinite symmetric group


Harmonic analysis on the Young graph and extremal characters


The bi-infinite symmetric group and the Olshanski semigroup 


Classification of the admissible representations


Spherical representations and the GNS construction


Asymptotics of central measures


Free quasi-symmetric functions


Combinatorics of central measures


Gaussian behavior of the observables


Asymptotics of Plancherel and Schur-Weyl measures


The Plancherel and Schur-Weyl models


Descriere

This book focuses on symmetric groups and representation theory. The symmetric group is a central object in discrete mathematics. It can be studied from a combinatorial, algorithmic, or algebraic viewpoint, and the results can be applied in a plethora of other fields, such as physics and computer science. This book is the most up-to-date one on