本帖最后由 deducemath 于 2011-4-25 20:52 编辑
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9 C) I, T5 R/ o6 g关于 2、战栗(Shivers) ,网上有篇妙文详细分析游戏中的一个谜题。原始链接已损坏,还好我几年前将网页保存下来。下面跟大家共享:
& p" t9 A, L5 ]# m6 `2 CAdventure Games, Permutations, and Spreadsheets
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G. Birkhoff and S. MacLane, A Survey of Modern Algebra, revised edition, The MacMillan Company, New York, 1953.7 G2 g) U& s J0 _$ v& O1 E5 E8 O
I. N. Herstein, Topics in Algebra, 2nd edition, John Wiley & Sons, Inc., New York, 1975.9 m: L* A! h h( t
E. Spitznagel, Jr., A New Look at the Fifteen Puzzle, Mathematics Magazine, Vol. 40 (1967) 171-174.- S9 N2 x: e# f) Q# A4 f, Z) c5 I
S.K. Stein, Mathematics: The Man-Made Universe, W.H. Freeman and Company, New York, 1976, Third Edition.
0 v7 n! b4 I: lR.M. Wilson, Graph Puzzles, Homotopy, and the Alternating Group, Journal of Combinatorial Theory (B) 16 (1974) 86-96.
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Acknowledgment. I would like to thank my good friend George Mackiw for his encouragement and support in writing this article. |