6-立方体中Hamilton圈的计数
Enumeration of Hamiltonian Cycles in 6-cube
摘要:
求6-立方体中有向哈密尔顿圈的个数2 H6是高德纳的《计算机编程的艺术》第43节中的问题;下面对各种建议的估计进行了调查。7.2.1.1我们计算出精确值:H6= 14,754,666,508,334,433,250,560 =6*2^4* 217,199 * 1,085,989 * 5,429,923。计算出6-立方体自同构的圈数Aut 6为147,365,405,634,413,085
英文摘要:
Finding the number 2H6 of directed Hamiltonian cycles in 6-cube is problem 43 in Section 7.2.1.1 of Knuth's ' The Art of Computer Programming'; various proposed estimates are surveyed below. We computed exact value: H6=14,754,666,508,334,433,250,560=6*2^4*217,199*1,085,989*5,429,923. Also the number Aut6 of those cycles up to automorphisms of 6-cube was computed as 147,365,405,634,413,085
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