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A characterization of the Riordan Bell subgroup by C-sequences

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In this paper, we consider a new sequence called by the C-sequence of the Riordan array. It allows us to find a simple proof for several combinatorial identities. Further, we prove that a C-sequence characterizes Bell subgroup of the Riordan group.

Abstract

In this paper, we consider a new sequence called by the C-sequence of the Riordan array. It allows us to find a simple proof for several combinatorial identities. Further, we prove that a C-sequence characterizes Bell subgroup of the Riordan group.

참고문헌 (4)

  1. G.-S. Cheon, "Riordan group involutions", Lin. Alg.Appl, 428, pp.941~952 (2008)
  2. D. G. Rogers, "Pascal triangles, Catalan numbers and renewal arrays", Discrete Math, 22, pp.301~310 (1978)
  3. L. W. Shapiro, "Bijections and the Riordan group", Theoretical Computer Science, 307, pp.403~413 (2003)
  4. L. W. Shapiro, "The Riordan group", Discrete Appl. Math, 34, pp.229~239 (1991)

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