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論文名稱 Title |
在某些區域的多米諾骨牌拼圖 The Domino Tiling of Some Regions |
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系所名稱 Department |
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畢業學年期 Year, semester |
語文別 Language |
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學位類別 Degree |
頁數 Number of pages |
36 |
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研究生 Author |
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指導教授 Advisor |
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召集委員 Convenor |
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口試委員 Advisory Committee |
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口試日期 Date of Exam |
2016-07-28 |
繳交日期 Date of Submission |
2016-09-01 |
關鍵字 Keywords |
斐波納契數列、完美匹配、路徑、多米諾骨牌拼圖、阿茲特克鑽石 Aztec Diamond, domino tiling, path, perfect matching, Fibonacci number |
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統計 Statistics |
本論文已被瀏覽 5752 次,被下載 223 次 The thesis/dissertation has been browsed 5752 times, has been downloaded 223 times. |
中文摘要 |
多米諾骨牌是一個二格骨牌,由兩個全等的正方形以邊相連組成。多米諾骨牌拼圖是在歐幾里德平面的格子區域中,由多個不重疊的多米諾骨牌鑲嵌而成,這裡我們以M(R)來表示在區域 中的多米諾骨牌拼圖數量。將格子區域中的每個正方形視為一個點、兩個相鄰的正方形構成一個邊,令為G(R),那多米諾骨牌拼圖能對應到G(R)的完美匹配。 1961年,Temperley 和 Fisher [13] 給出一個公式來計算m列n行的矩形區域之拼圖方法數。在一個區域的拼圖方法數會依不同區域形狀而影響。有很多特殊區域可以對應到一些特別的數列。在本文中,我們將討論一些特殊區域的多米諾骨牌拼圖與非交錯路徑之間的對應關係,同時也給出了的多米諾骨牌拼圖方法數。 在第二章中,我們將介紹一些特殊區域中的多米諾骨牌拼圖。例如2列n行矩形區域的拼圖數量可以對應於斐波納契數列[7]。D. E. Knuth找到環狀方形區域的拼圖數量[6]。此外,Aztec Diamond區域 、Aztec Triangle區域的拼圖方法數會依序對應到不交錯的Schroder數列[9]以及Aztec Diamond的延伸區域之拼圖方法數會對應Delannoy數列[10]。 在第三章中,我們重新歸納Aztec Diamond和Schroder路徑之間對應[5]。並且證明在一般情況下,任何區域的多米諾骨牌拼圖和非交叉的路徑之間的一對一映成關係。 |
Abstract |
A domino is a polyomino of order 2 which is a polygon made of two equal-sized squares connected edge-to-edge. A domino tiling of a region R in the Euclidean plane is a tessellation of the region by non-overlapping dominoes, and the number of ways of the domino tiling in the R region is denoted by M(R). Equivalently, it is a perfect matching in the dual graph formed by placing a vertex at the center of each square of the region and connecting two vertices when they correspond to adjacent squares. In 1961, Temperley and Fisher [11] gave a formula to count the number of ways to cover an m × n rectangle. The number of the domino tilings of a region is very sensitive to the shape of the region. There are special results generated by opponent regions. In the thesis, we will give a viewpoint of bijection between domino tiling and nonintersecting lattice paths as well as give the formula for those special regions. In Chapter 2, we will introduce the results having been proved of domino tiling with simple regions, for instances: the region Fn which corresponds to Fibonacci number in 2009 [6], the square ring Fm,n developed by Donald E. Knuth in 2011 [5], the Aztec Diamond ADn, the agumented Aztec Diamond Dn corresponding to Delannoy number [10] and the region Sn corresponding to Schr¨oder number [2]. In Chapter 3, we reprove a bijection between the Aztec diamond and disjoint Schr¨oder paths. Within giving a generalized bijection, we can find the bijection between the nonintersecting lattice paths and domino tiling in any region R. |
目次 Table of Contents |
致謝 i 摘要 ii Abstract iii Contents iv List of Figures vi 1 Introduction 1 1.1 Basic notations 1 1.2 The main results of the thesis 3 2 The known results 5 2.1 The region 2 × n with Fibonacci numbers 5 2.2 The square Ring Fm,n with Fibonacci numbers 6 2.3 The Aztec Diamond 9 2.4 The augmented Aztec Diamond 9 2.5 The region Sn with the Schr¨oder numbers 10 3 Necessary and sufficient conditions 12 3.1 The bijection with the lattice paths 12 3.2 General proof 16 Bibliography 25 |
參考文獻 References |
Bibliography [1] R. A. Brualdi, and S. Kirkland, Aztec diamonds and diagraphs, and Hankel determinants of Schr¨oder numbers, J. Combin. Theory Ser. B 94 (2005), 334-351. [2] M. Ciucu, Perfect matchings of cellular graphs, J. Algebraic Combinatorics 5 (1996), 87-103. [3] N. Elkies, G. Kuperberg, M. Larsen, and J. Propp, Alternating-sign matrices and domino tilings (Part I), J. Algebraic Combinatorics 1 (1992), 111-132. [4] S.-P. Eu, and T.-S. Fu, A simple proof of the Aztec diamond theorem, Electr.J. of Combinatorics 12 (2005). [5] D. E. Knuth, Tiling a square ring with dominoes, Mathematics Magazine 4 (2011), 154-155. [6] M. Katz, and C. Stenson, Tiling a (2×n)-board with squares and dominoes, Journal of Integer Sequences 12 (2009), 09.2.2. [7] E. H. Kuo, Applications of graphical condensation for enumerating matchings and tilings, Theoret. Comput. Sci. 319 (2004), 29-57. [8] R. P. Stanley, Enumerative Combinatorics, Vol. 2, Cambridge University Press, Cambridge, 1999. [9] R. Tauraso, A new domino tiling sequence, Journal of Integer Sequences 7 (2004), 04.2.3. [10] H. Sachs, and H. Zernitz, Remark on the dimer problem, Discrete Appl. Math. 51 (1994), 171-179. [11] H. N. V. Temperley, and M. E. Fisher, Dimer problem in statistical mechanics-an exact result, Philos. Mag. 6 (1961), 1061-1063. |
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