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Representation Theory of Finite Groups: Universitext

Autor Benjamin Steinberg
en Limba Engleză Paperback – 22 oct 2011

Observăm în ultimele decenii o tendință de simplificare a accesului către ramurile matematice abstracte, prin înlocuirea formalismului greoi cu metode computaționale și aplicative. Representation Theory of Finite Groups de Benjamin Steinberg reflectă această evoluție, oferind o poartă de intrare în teoria reprezentărilor care nu depinde de stăpânirea prealabilă a teoriei modulelor. Suntem de părere că această alegere pedagogică este esențială pentru studenții care doresc să înțeleagă simetria fără a parcurge un întreg curriculum de algebră abstractă avansată. Ne-a atras atenția modul în care autorul utilizează analiza Fourier discretă ca instrument central, o abordare mai directă și mai intuitivă decât tratamentele clasice. Cartea acoperă aceeași arie tematică precum Representations and Characters of Groups de Gordon James, însă, spre deosebire de aceasta din urmă care dezvoltă teoria în termeni de module pentru a pregăti terenul cercetării avansate, lucrarea lui Steinberg rămâne ancorată în algebra liniară de bază. Structura textului este riguros organizată: după o recapitulare necesară a spațiilor vectoriale, parcurge teoria caracterelor și teoremele lui Burnside, finalizând cu o analiză detaliată a grupului simetric. Includerea aplicațiilor în teoria spectrală a grafurilor oferă un context practic rar întâlnit în manualele de profil. Această lucrare reprezintă fundamentul pe care Benjamin Steinberg și-a construit ulterior cercetările, făcând tranziția de la grupuri la structuri mai complexe, așa cum vedem în Representation Theory of Finite Monoids. În contextul seriei Universitext, volumul se distinge prin claritatea expunerii și prin setul generos de exerciții care facilitează învățarea autodidactă.

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Specificații

ISBN-13: 9781461407751
ISBN-10: 1461407753
Pagini: 172
Ilustrații: XIII, 157 p. 4 illus.
Dimensiuni: 155 x 235 x 10 mm
Greutate: 0.27 kg
Ediția:2012
Editura: Springer
Colecția Universitext
Seria Universitext

Locul publicării:New York, NY, United States

Public țintă

Graduate

De ce să citești această carte

Recomandăm această carte studenților la matematică sau fizică ce caută o introducere accesibilă în teoria reprezentărilor. Avantajul major este eliminarea barierelor tehnice precum teoria Wedderburn, permițând cititorului să ajungă rapid la rezultate fundamentale și aplicații în teoria grafurilor. Este un instrument de lucru excelent pentru un curs de un semestru, oferind o perspectivă modernă, bazată pe analiza Fourier.


Despre autor

Benjamin Steinberg este un matematician recunoscut pentru contribuțiile sale în algebra semigrupurilor și teoria reprezentărilor. Activitatea sa academică se concentrează pe intersecția dintre algebra abstractă și combinatorică, fiind autorul unor lucrări de referință precum The q-theory of Finite Semigroups. Expertiza sa în structuri algebrice finite este reflectată în claritatea cu care expune subiecte complexe, Steinberg reușind să conecteze teoria pură cu aplicații în informatica teoretică și statistica matematică prin lucrările sale publicate la edituri de prestigiu precum Springer.


Descriere scurtă

This book is intended to present group representation theory at a level accessible to mature undergraduate students and beginning graduate students. This is achieved by mainly keeping the required background to the level of undergraduate linear algebra, group theory and very basic ring theory. Module theory and Wedderburn theory, as well as tensor products, are deliberately avoided. Instead, we take an approach based on discrete Fourier Analysis. Applications to the spectral theory of graphs are given to help the student appreciate the usefulness of the subject. A number of exercises are included. This book is intended for a 3rd/4th undergraduate course or an introductory graduate course on group representation theory. However, it can also be used as a reference for workers in all areas of mathematics and statistics.

Cuprins

-Preface.-Introduction.-Review of Linear Algebra.-Group Representations.-Character Theory.-Fourier Analysis on Finite Groups.-Burnside's Theorem.-Permutation Representations.-Induced Representations.-Another Theorem of Burnside.-The Symmetric Group.-Bibliography.-Index.

Recenzii

From the reviews:
“The aim of the author is to give an introductory text on (ordinary) representation theory of finite groups which is accessible for advanced undergraduates already. And Steinberg manages this outstandingly well. … a book which is ideally suited for beginners in math as well as physicists, engineers and so on, who need a concise, well conceived and easy comprehensible introduction into representation theory.” (G. Kowol, Monatshefte für Mathematik, Vol. 167 (3-4), September, 2012)
“Steinberg … provides a one-semester course on representation theory with just linear algebra and a beginning course in abstract algebra (primarily group theory) as prerequisites. … the author covers most of the standard introductory topics in representation theory. The exercises provide more examples and further common results. It is the applications that Steinberg uses to motivate the subject that make this text both interesting and valuable. … Overall, a very user-friendly text with many examples and copious details. Summing Up: Recommended. Upper-division undergraduates through researchers/faculty.” (J. T. Zerger, Choice, Vol. 49 (11), August, 2012)
“The book consists of 157 pages spread over 11 chapters. … This book is an introductory course and it could be used by mathematicians and students who would like to learn quickly about the representation theory and character theory of finite groups, and for non-algebraists, statisticians and physicists who use representation theory.” (Jamshid Moori, Mathematical Reviews, Issue 2012 j)
“The required background as to this introductory course on group representations, is in the level of linear algebra, group theory and some ring theory. … the book under review is a welcome one for students at an advanced undergraduate or introductory graduate level course, also for those people like physicists, statisticians and non-algebraically oriented mathematicians who need representation theory in their work.” (R. W. van der Waall, Zentralblatt MATH, Vol. 1243, 2012)
“The author has, by combining clear writing with an accessible and minimal-prerequisite approach to group representations, created a book that may well help bring group representation theory into the undergraduate curriculum. This is an impressive and useful text, and should be looked at by anybody with an interest in the subject.” (Mark Hunacek, The Mathematical Association of America, February, 2012)

Notă biografică

Benjamin Steinberg is a professor at City College of New York and the CUNY graduate center. He received my Ph.D. at the University of California, Berkeley. Steinberg is an algebraist interested in a broad range of areas including semigroups, geometric group theory and representation theory. Other research interests include automata theory, finite state Markov chains and algebras associated to etale groupoids. Steinberg is the co-author of a 2009 Springer publication in the SMM series entitled "The q-theory of Finite Semigroups". This book has had good pre- and post-publication reviews. Ben Steinberg is also an active editorial board member of the Semigroup Forum journal.

Textul de pe ultima copertă

Representation Theory of Finite Groups presents group representation theory at a level accessible to advanced undergraduate students and beginning graduate students. The required background is maintained to the level of linear algebra, group theory, and very basic ring theory and avoids prerequisites in analysis and topology by dealing exclusively with finite groups. Module theory and Wedderburn theory, as well as tensor products, are deliberately omitted. Instead, an approach based on discrete Fourier Analysis is taken, thereby demanding less background from the reader.
The main topics covered in this text include character theory, the group algebra and Fourier analysis, Burnside's pq-theorem and the dimension theorem, permutation representations, induced representations and Mackey's theorem, and the representation theory of the symmetric group. For those students who have an elementary knowledge of probability and statistics, a chapter on random walks onfinite groups serves as an illustration to link finite stochastics and representation theory. Applications to the spectral theory of graphs are given to help the student appreciate the usefulness of the subject and the author provides motivation and a gentle style throughout the text. A number of exercises add greater dimension to the understanding of the subject and some aspects of a combinatorial nature are clearly shown in diagrams.
This text will engage a broad readership due to the significance of representation theory in diverse branches of mathematics, engineering, and physics, to name a few. Its primary intended use is as a one semester textbook for a third or fourth year undergraduate course or an introductory graduate course on group representation theory. The content can also be of use as a reference to researchers in all areas of mathematics, statistics, and several mathematical sciences.

Caracteristici

Concise focus enables the author to avoid prerequisites in analysis and topology Provides a simple context for students to understand group representation theory Author provides a gentle approach for students as well as the necessary motivation and exercises Includes supplementary material: sn.pub/extras