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研究生: 龎詩倩
Pang, Shih-cheng
論文名稱: 仿射魏爾群的龐加萊級數
Poincare Series of Affine Weyl Groups
指導教授: 黃柏嶧
Huang, Po-Yi
學位類別: 碩士
Master
系所名稱: 理學院 - 數學系應用數學碩博士班
Department of Mathematics
論文出版年: 2009
畢業學年度: 97
語文別: 英文
論文頁數: 26
中文關鍵詞: 仿射魏爾群龐加萊級數
外文關鍵詞: Poincare polynomials, affine Weyl groups
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  • 在這篇論文裡,我們會介紹考克斯特群,龐加萊級數及仿射魏爾群。然後算出二維與三維仿射魏爾群的龐加萊級數。

    In this thesis, we introduce the Coxeter groups, the Poincar´e polynomials (or Poincar´e series) and affine
    Weyl groups. Then we compute the Poincar´e series of affine Weyl groups fA2, fB2, fG2, fA3, fB3, and fC3.

    1 Introduction 4 2 Preliminaries 6 3 Poincare Polynomials 9 4 Affine Weyl Groups 11 5 The Geometrical Meaning of The Lengths of Reflections 16 6 Results 20

    [1] L. C. Grove, and C. T. Benson, Finite Reflection Groups, 2nd ed., Springer-Verlag, New York, 1985.
    [2] James E. Humphreys, Reflection Groups and Coxeter Groups, Cambridge University Press, Cambridge,
    1990.
    [3] Anders Bj¨orner, and Francesco Brenti, Combinatorics of Coxeter Groups, Springer Science+Business
    Media, 2005.

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    校外:2009-07-27公開
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