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二次域Q(7~(1/2))的单位给出的三角数及相关的不定方程问题 被引量:1

Problems of Triangular Numbers Given by the Units of Quadratic Field Q(7~(1/2)) and Related Diophantine Equations
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摘要 研究了二次域Q(7~(1/2))中单位Vn+Un(7~(1/2))=(8+3(7~(1/2)))n所给出的两个递归数列{Vn},{Un}中的三角数问题,找到了{Vn},{Un}中的所有的三角数.作为应用,给出了与其相关的两个不定方程的整数解. This paper researches the problems of triangular numbers in two recurrent sequences {Vn } and {Um } which are given by the units Vn +Un Q(√7)= (8+3 √7)n of quadratic field Q(√7), and finds out all triangular numbers in {Vn } and {Un }. As applications, all integer solutions of two related Diophantine equations are obtained.
出处 《武汉大学学报(理学版)》 CAS CSCD 北大核心 2012年第5期447-450,共4页 Journal of Wuhan University:Natural Science Edition
基金 贵州省科学技术厅、贵州师范大学联合科技基金资金资助(黔科合J字LKS[2011]15号) 国家自然科学基金资助项目(11001061,61070243,41161065)
关键词 三角数 二次域 单位 递归数列 不定方程 triangular numbers quadratic field unit recurrent sequence diophantine equations
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参考文献8

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二级参考文献9

  • 1Hoggatt V. E., Problem 3 [C]// Proceedings of the Washington State University Conference on Number Theory, Washington: Washington State University Press, 1971.
  • 2Cohn J. H. E., On square Fibonacci numbers [J], J. London Math. Soc., 1964, 39:537- 540.
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  • 7Luo M., On triangular Lucas numbers, applications of Fibonacci numbers [C]//Vol. 4, Proceedings of the Fourth International Conference on Fibonacci Numbers and Their Applications, Netherlands: Kluwer Academic Publishers, 1991:231-240.
  • 8McDaniel W. L., Triangular numbers in the Pell sequence [J], The Fibonacci Quarterly, 1996, 34:105-107.
  • 9Prasad V. S. R. and Rao B. S., Triangular numbers in the associated Pell sequence and Diophantine equations x^2(x + 1)^2 = 8y^2 ± 4 [J], Indian J. Pure Appl. Math., 2002, 33(11):1643-1648.

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