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一类指数丢番图方程的解及m=3的Goormaghtigh猜想
Solutions of a family exponential Diophantine equation and the solutions of Goormaghtigh’s conjecture for m=3
【摘要】 用渐近连分数的性质和Pell方程的解类特点,得到了指数丢番图方程x2+Ax+B=yn-1/y-1的解(x,y,n)的性质及其较为精确的上界,证明了y<C1(A,B)n+C2(A,B),这里C1(A,B),C2(A,B)是仅与A,B有关的可有效计算的常数.
【Abstract】 By using the new results of continued fractions and Pell equation,a general result on the solutions of Diophantine equation x2+Ax+B=yn-1/y-1 is given,and it is prove that if(x,y,n) is a solution of equation(3),then y<C1(A,B)n+C2(A,B),where C1(A,B),C2(A,B) are effectively computable constants with A,B.
【关键词】 指数丢番图方程;
渐近连分数;
Pell方程;
Goormaghtigh猜想;
例外解;
上界;
【Key words】 exponential Diophantine equation; continued fractions; Pell equation; Goormaghtigh’s conjecture; exceptional solution; upper bound;
【Key words】 exponential Diophantine equation; continued fractions; Pell equation; Goormaghtigh’s conjecture; exceptional solution; upper bound;
【基金】 四川省教育厅自然科学基金资助项目(2006C057);阿坝师专校级科研课题资助
- 【文献出处】 浙江大学学报(理学版) ,Journal of Zhejiang University(Science Edition) , 编辑部邮箱 ,2007年05期
- 【分类号】O156.7
- 【下载频次】47