On the distinctness of decimations of generalized l-sequences

  • Authors:
  • Hong Xu;Wen-Feng Qi

  • Affiliations:
  • Department of Applied Mathematics, Zhengzhou Information, Engineering University, Zhengzhou, China;Department of Applied Mathematics, Zhengzhou Information, Engineering University, Zhengzhou, China

  • Venue:
  • SETA'06 Proceedings of the 4th international conference on Sequences and Their Applications
  • Year:
  • 2006

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Abstract

For an odd prime number p and positive integer e, let ${\underline{a}}$ be an l-sequence with connection integer pe. Goresky and Klapper conjectured that when pe∉{5,9,11,13}, all decimations of ${\underline{a}}$ are cyclically distinct. For any primitive sequence ${\underline{u}}$ of order n over ℤ/(pe), call ${\underline{u}}(\rm mod;2)$ a generalized l-sequence. In this article, we show that almost all decimations of any generalized l-sequence are also cyclically distinct.