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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/32851

    Title: Groebner basis and invariants
    Other Titles: Groebner基底與不變量
    Authors: 朱建帆;Chu, Chien-fan
    Contributors: 淡江大學數學學系碩士班
    胡守仁;Hu, Shou-jen
    Keywords: 一個理想上的Groebner基底;Buchberger的運算法;不變量環;Reynolds算子;Poincare級數;Hilbert-Serre定理;Molien定理;Hironaka分解;Groebner basis for an ideal;Buchberger's algorithm;ring of invariant;Reynolds operator;Poincare series;Hilbert-Serre theorem;Molien theorem;Hironaka decomposition
    Date: 2009
    Issue Date: 2010-01-11 02:51:46 (UTC+8)
    Abstract: 在這篇論文中,我們將會學習Groebner基底和不變量環的一些基本性質。我們將給予一些例題去說明如何利用Groebner基底來解聯立方程式,並將Groebner基底應用在理想元素的隸屬問題以及求兩個理想的交集。我們也將它使用在不變量環的一些性質,這些性質主要描述說當給定一個有限群後,它的不變量環生成元可利用 Groebner基底來求出關係。
    In this thesis, we shall study some basic properties of Groebner basis and ring of invariants. We shall give some examples to show the use of Groebner basis in solving polynomial equation, determining ideal memberships and intersection of ideals. We shall also discuss basic theories on ring of invariant. Some examples on the construction of generators for a ring of invariant of finite group will be given. Relations among the generators will be found by using Groebner basis.
    This thesis is divided into three sections. Section 1 is about basic properties of Groebner basis, then talk about elimination and extension theorems which is used in solving
    polynomial equation. Section 2 is about how to construct the ring of invariant when giving a finite group. In the last section, we shall give some examples on calculation of ring of invariant. In particular, we discuss the invariants of the symmetry group of a cube. We also
    give an example to show how to compute explicitly ring of invariant of an abelian group. Groebner basis calculation is implemented in many computer algebra systems, such as Maple, MATHEMATICA, Cocoa etc. In this thesis, we use Maple to do our calculations.
    Appears in Collections:[數學學系暨研究所] 學位論文

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