The term orderings which are compatible with composition II

  • Authors:
  • Jinwang Liu;Zhuojun Liu;Mingsheng Wang

  • Affiliations:
  • Department of Mathematics, Xiangtan Teachers College, Hunan, 411201, China;Institute of Systems Sciences, AMSS, Chinese Academy of Science, Beijing 100080, China;State Laboratory for Information Security, Institute of Software, Chinese Academy of Sciences, Beijing 100080, China

  • Venue:
  • Journal of Symbolic Computation
  • Year:
  • 2003

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Abstract

Polynomial composition is the operation of replacing the variables of a polynomial with other polynomials. Let be a term ordering, if for all terms p and q, p q implies that p o t (Θ) q o lt (Θ), then we say that composition by Θ is compatible with the term ordering. In (J. Symb. Comput. 25 (1998) 643), Hong proposed the question of how to test if a term ordering is compatible with composition. In this paper, by using elementary rational row operations for matrices, we obtain a decision procedure for Hong's question.