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Galois, Théorie de --- Galois theory --- Corps algébriques. --- Extensions de corps (mathématiques) --- Algebraic fields --- Field extensions (Mathematics)
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Corps algébriques --- Extensions de corps (mathématiques) --- Algebraic fields. --- Field extensions (Mathematics) --- Corps de classe
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Algebra --- 512 --- 512 Algebra --- Field extensions (Mathematics) --- Extensions de corps (mathématiques) --- Field extensions (Mathematics). --- Corps et polynomes --- Extensions de corps (mathématiques)
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Ordered algebraic structures --- 512 --- Rings (Algebra) --- Surfaces, Ruled --- Ruled surfaces --- Geometry, Differential --- Algebraic rings --- Ring theory --- Algebraic fields --- Algebra --- Surfaces, Ruled. --- Rings (Algebra). --- 512 Algebra --- Extensions de corps (mathématiques) --- Field extensions (Mathematics) --- RINGS (Algebra) --- Geometrie algebrique --- Surfaces algebriques
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Groupes, Théorie des --- Group theory --- Field extensions (Mathematics) --- Extensions de corps (mathématiques) --- Galois, Théorie de --- Nombres, Théorie des --- Theorie des nombres --- P-adiques --- Theorie des nombres --- P-adiques
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Ordered algebraic structures --- Algebraic fields --- Field extensions (Mathematics) --- 512.623 --- #KOPO:Prof. R. Holvoet --- Extension fields (Mathematics) --- Algebraic number fields --- Algebraic numbers --- Fields, Algebraic --- Algebra, Abstract --- Algebraic number theory --- Rings (Algebra) --- General field theory --- 512.623 General field theory --- Extensions de corps (mathématiques) --- Valuation theory. --- Valuations, Théorie des. --- Corps algébriques --- Algebraic fields. --- Corps algébriques --- Valuations, Théorie des --- Corps et polynomes
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The first edition aimed to give a geodesic path to the Fundamental Theorem of Galois Theory, and I still think its brevity is valuable. Alas, the book is now a bit longer, but I feel that the changes are worthwhile. I began by rewriting almost all the text, trying to make proofs clearer, and often giving more details than before. Since many students find the road to the Fundamental Theorem an intricate one, the book now begins with a short section on symmetry groups of polygons in the plane; an analogy of polygons and their symmetry groups with polynomials and their Galois groups can serve as a guide by helping readers organize the various definitions and constructions. The exposition has been reorganized so that the discussion of solvability by radicals now appears later; this makes the proof of the Abel-Ruffini theo rem easier to digest. I have also included several theorems not in the first edition. For example, the Casus Irreducibilis is now proved, in keeping with a historical interest lurking in these pages.
Galois theory --- Galois, Théorie de --- Polynômes --- Nombres algébriques, Théorie des --- Extensions de corps (mathématiques) --- Field extensions (Mathematics) --- Polynomials --- Algebraic number theory --- Galois, Théorie de. --- Polynômes. --- Nombres algébriques, Théorie des. --- Group theory. --- Group Theory and Generalizations. --- Groups, Theory of --- Substitutions (Mathematics) --- Algebra --- Galois, Théorie de. --- Polynômes. --- Nombres algébriques, Théorie des. --- Extensions de corps (mathématiques)
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