Rings and fields

  • 作者: Ellis, Graham.
  • 出版: Oxford [England] :New York : Clarendon Press ;Oxford University Press 1992.
  • 稽核項: 1 online resource (viii, 169 pages) :illustrations.
  • 叢書名: Oxford science publications
  • 標題: Veldentheorie. , Rings (Algebra) , MATHEMATICS Algebra -- Intermediate. , AlgebraIntermediate. , Ringen (wiskunde) , Electronic books. , MATHEMATICS , Algebraic fields. , Anneaux (Algèbre) , Corps algébriques.
  • ISBN: 058529447X , 9780585294476
  • ISBN: 0198534558 , 019853454X
  • 試查全文@TNUA:
  • 附註: Includes bibliographical references (page 166) and index. 0. Preliminaries. Definition of rings and fields. Vector spaces. Bases. Equivalence relations. Axiom of choice -- 1. Diophantine equations: Euclidean domains. Euclidean domain of Gaussian integers. Euclidean domains as unique factorization domains -- 2. Construction of projective planes: splitting fields and finite fields. Existence and uniqueness of splitting fields and of finite fields of prime power order -- 3. Error codes: primitive elements and subfields. Existence of primitive elements in finite fields. Subfields of finite fields. Computation of minimum polynomials -- 4. Construction of primitive polynomials: cyclotomic polynomials and factorization. Basic properties of cyclotomic polynomials. Berlekamp's factorization algorithm -- 5. Ruler and compass constructions: irreducibility and constructibility. Product formula for the degree of composite extensions. Irreducibility criteria for polynomials over the rationals. The field of constructible real numbers -- 6. Pappus' theorem and Desargues' theorem in projective planes: Wedderburn's theorem. Proof of Wedderburn's theorem -- 7. Solution of polynomials by radicals: Galois groups. Basic definitions and results in Galois groups. Discriminants -- 8. Introduction to groups. Group axioms. Subgroup lattice. Class equation. Cauchy's theorem. Transitive permutation groups. Soluble groups -- 9. Cryptography: elliptic curves and factorization. Euler's function. Discrete logarithms. Elliptic curves. Pollard's method of factorizing integers. Elliptic curve factorization of integers.
  • 電子資源: https://dbs.tnua.edu.tw/login?url=https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=22933
  • 系統號: 005292281
  • 資料類型: 電子書
  • 讀者標籤: 需登入
  • 引用網址: 複製連結