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Title Details:
Basic Galois Theory
Other Titles: An Introduction to Symmetry, Orbits, and Fields
Authors: Marmaridis, Nikos
Subject: MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FIELD THEORY AND POLYNOMIALS > REAL AND COMPLEX FIELDS
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FIELD THEORY AND POLYNOMIALS > GENERAL FIELD THEORY
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FIELD THEORY AND POLYNOMIALS > FIELD EXTENSIONS
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FIELD THEORY AND POLYNOMIALS > COMPUTATIONAL ASPECTS OF FIELD THEORY AND POLYNOMIALS
Keywords:
Galois Theory
Algebraic field extension
Galois extension
Galois group
Polynomial solvable by radicals
Symmetric polynomials
Discriminant
Solvable group
Fundamental theorem of Galois theory
Relative resolvent
Weber resolvent
Geometric constructions
Description:
Abstract:
This book explores Galois theory through the lens of group action on sets. This particular approach clarifies the core concepts and findings of Galois theory. Using Galois theory, the book interprets the formulas that solve quadratic, cubic, and quartic polynomials. It also elucidates why similar formulas are unattainable for polynomials of degrees greater than four. Additionally, considerable emphasis is placed on computing the Galois group of a polynomial, determining fixed subfields, and identifying minimal polynomials.
Linguistic Editors: Rogan, David A.
Technical Editors: Marmaridis, Nikos
Type: Undergraduate textbook
Creation Date: 19-11-2024
Item Details:
ISBN 978-618-228-299-1
License: Attribution - NonCommercial - ShareAlike 4.0 International (CC BY-NC-SA 4.0)
DOI http://dx.doi.org/10.57713/kallipos-1048
Handle http://hdl.handle.net/11419/14183
Bibliographic Reference: Marmaridis, N. (2024). Basic Galois Theory [Undergraduate textbook]. Kallipos, Open Academic Editions. https://dx.doi.org/10.57713/kallipos-1048
Language: English
Consists of:
1. Rings and Polynomials
2. Divisibility
3. Unique Factorization Domains and Polynomial Rings
4. Field Extensions
5. Algebraic Extensions
6. Separable Extensions, Normal Extensions
7. Galois Extensions
8. Finite Galois Extensions
9. Symmetric Polynomials and Applications
10. Fundamental Theorem of Galois Theory
11. Galois Groups and Polynomials
12. Geometric Constructions and Galois Theory
13. Galois Groups of Polynomials as Subgroups of Symmetric Groups
Number of pages 588
Version:
Publication Origin: Kallipos, Open Academic Editions
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