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Algebraic equations 代数方程

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Algebraic equations 代数方程

最 低 价:¥366.10

定 价:¥406.80

作 者:EdgarDehn 著

出 版 社:

出版时间:2004-6-1

I S B N:9780486439006

价格
366.10元

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内容简介

  Meticulous and complete, this presentation of Galois' theory of algebraic equations is geared toward upper-level undergraduate and graduate students. The theories of both Lagrange and Galois are developed in logical rather than historical form, and they are given a more thorough exposition than is customary. For this reason, and also because the author concentrates on concrete applications of algebraic theory, Algebraic Equations is an excellent supplementary text, offering students a concrete introduction to the abst principles of Galois theory. Of further value are the many numerical examples throughout the book, which appear with complete solutions. A third of the text focuses on the basic ideas of algebraic theory, giving detailed explanations of integral functions, permutations, and of groups, in addition to a very clear exposition the symmetric group and its functions. A study of the theory oT Lagrange follows, using Lagrange's solvent as a basis for the solution of the general quadratic, cubic, and biquadratic equations. After a discussion of various groups (including isomorphic, transitive, and Abelian groups), a detailed study of Galois theory covers the properties of the Galoisian function, resolvent, and group, the general equation, reductions of the group, natural irrationality, and other features. The book concludes with the application of Galoisian theory to the solution of such special equations as Abelian, cyclic, metacyclic, and quintic equations.

作者简介

目录

LIST OF THEOREMS
LIST OF ADOPTED CONVENTIONS
Ⅰ. INTEGRAL FUNCTION
 1. Interpolation
 2. Division
 3. Reduction
 4. Primitive function
 5. Linear factors
Ⅱ. EQUATIONS AND PERMUTATIONS
 6. Discovery of Lagrange
 7. Solution of cubic
 8. Connection with permutations
Ⅲ. ALGEBRA OF PERMUTATIONS
 9. Notation
 10. Degree
 11. Combination
 12. Order
 13. Association
 14. Inverse
 15. Identity
Ⅳ. GROUP AND SUBGROUP
 16. Group
 17. Subgroup
 18. Conjugate subgroups
 19. Rule of transforms
 20. Normal subgroup
Ⅴ. SYMMETRIC GROUP AND ITS FUNCTIONS
 21. Generator
 22. Symmetric sum
 23. Computation of symmetric sum
 24. Another computation
 25. Resultant
 26. Resultant as determinant
 27. Discriminant
Ⅵ. COMPOSITION OF SYMMETRIC GROUP
 28. Composition-series
 29. Alternating function
 30. Alternating group
 31. Composition of S and A
 32. Subgroups of S and A
 33. Group on functions
Ⅶ. THEORY OF LAGRANGE
 34. Resolvent equation
 35. Lagrange's Theorem
 36. Lagrange's Theorem, Continued
 37. Plan of Lagrange
 38. Lagrange's solvent
 39. Special case of solvents
 40. Limits of Lagrange's plan
Ⅷ. GENERAL EQUATIONS
 41. Quadratic equation
 42. Cubic equation
 43. Cubic equation, Continued
 44. Cubic equation, Continued
 45. Cubic equation, Continued
 46. Biquadratie equation
 47. Biquadratic equation, Continv, ed
 48. Biquadratic equation, Continued
Ⅸ. MORE ABOUT GROUPS
 49. Isomorphic groups
 50. Transitive group
 51. Imprimitive group
 52. Quotient-group
 53. Subgroups of quotient-group
 54. Maximum normal subgroup
 55. Constancy of composition-factors
 56. Abelian group
 57. Theorem of Cauchy
 58. Metacyclic group
 Note on abst group
Ⅹ. DOMAIN
 59. Algebraic domain
 60. Algebraic domain, Continued.
 61. Coniugate domains
 62. Conjugate domains, Continued
 63. Normal domain
Ⅺ. THEORY OF GALOIS
 64. Special equation
 65. Galoisian function
 66. Galoisian resolvent
 67. Galoisian group
 68. Properties of Galoisian group
……
Ⅻ. SPECIAL EQUATIONS
INDEX

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