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Classical Galois Theory with Examples
Lisl Gaal, University of Minnesota, Minneapolis, MN
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AMS Chelsea Publishing
1971; 248 pp; hardcover
Volume: 268
Reprint/Revision History:
first AMS printing 1998
ISBN-10: 0-8218-1375-7
ISBN-13: 978-0-8218-1375-1
List Price: US$36
Member Price: US$32.40
Order Code: CHEL/268.H
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Reviews

"This book is strongly recommended to beginning graduate students who already have some background in abstract algebra. The exposition and proofs are intended to present Galois theory in as simple a manner as possible ... The large number of partially or fully solved examples is its special feature."

-- Mathematical Reviews

"Excellent for undergraduate independent study since it demands reader participation."

-- American Mathematical Monthly

Table of Contents

  • Prerequisites: 1.1 Group theory; 1.2 Permutations and permutation groups; 1.3 Fields; 1.4 Rings and polynomials; 1.5 Some elementary theory of equations; 1.6 Vector spaces
  • Fields: 2.1 Degree of an algebraic extension; 2.2 Isomorphisms of fields; 2.3 Automorphisms of fields; 2.4 Fixed fields
  • Fundamental theorem: 3.1 Splitting fields; 3.2 Normal extensions and groups of automorphisms; 3.3 Conjugate fields and elements; 3.4 Fundamental theorem
  • Applications: 4.1 Solvability of equations; 4.2 Solvable equations have solvable groups; 4.3 General equation of degree \(n\); 4.4 Roots of unity and cyclic equations; 4.5 How to solve a solvable equation; 4.6 Ruler-and-compass constructions; 4.7 Lagrange's theorem; 4.8 Resolvent of a polynomial; 4.9 Calculation of the Galois group; 4.10 Matrix solutions of equations; 4.11 Finite fields; 4.12 More applications
  • Bibliography
  • Index
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