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研究生: 周明慧
Ming-Huei Chou
論文名稱: 等價編碼及等價因子
Equivalent Codes and Equivalent Divisors
指導教授: 李華介
Li, Hua-Chieh
學位類別: 碩士
Master
系所名稱: 數學系
Department of Mathematics
論文出版年: 2006
畢業學年度: 94
語文別: 英文
論文頁數: 35
中文關鍵詞: 等價因子編碼
英文關鍵詞: equivalent, divisor, geometric Goppa code
論文種類: 學術論文
相關次數: 點閱:159下載:4
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  • 一個geometric Goppa code是和決定它的因子息息相關的,在這份論文中,我們發現在某個條件下:兩個因子若是等價若且為若各自決定的geometric Goppa codes會等價。

    A geometric Goppa code is associated with a divisor.
    Under certain conditions, we prove that two geometric Goppa codes are equivalent
    if and only if the associated divisors are equivalent.

    Chapter 1. Introduction.................................1 Chapter 2. Basic Properties of Divisors and Weil Differentials...........................................3 2.1 Divisors.............................3 2.2 Weil Differentials.........................8 Chapter 3. Codes..............................13 3.1 Introduction to Codes...................13 3.2 Geometric Goppa Codes..................15 Chapter 4. Main Results.............................22 4.1 Equivalent Codes.............................22 4.2 Equality of Geometric Goppa Codes..............23 4.3 Equivalent Codes and Equivalent Divisors.....29 Bibligoraphy......................................32

    Carlos Munuera and Ruud Pellikaan,
    ``Equality of geometric Goppa codes and equivalence of divisors,''
    {\sl Journ. Pure Appl. Algebra,} vol. 90, pp. 229--252, 1993.
    Henning Stichtenoth,
    ``Algebraic Function Field and Codes,'' Springer-Verlag, New York, 1993.
    Judy L. Walker,
    ``Codes and curves,''Springer, 1999.
    Chao-Ping, Xing,
    ``When are two geometric Goppa codes equal ?''
    {\sl IEEE Transctions of information theory,} vol. 38, No. 3, May 1992.

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