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A NOTE ON ISOTONE MATRIX AND LINEAR DISCREPANCY

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In this paper, we first represent the pairs of posets and corresponding isotones as poset matrices, and a new well-defined parameter in the theory of posets, called the `outbandwidth', is given by poset matrices. Next, we show that the linear discrepancy of a poset is derived from the outbandwidth.

Abstract

In this paper, we first represent the pairs of posets and corresponding isotones as poset matrices, and a new well-defined parameter in the theory of posets, called the `outbandwidth', is given by poset matrices. Next, we show that the linear discrepancy of a poset is derived from the outbandwidth.

참고문헌 (9)

  1. P. Fishburn, "Linear discrepancy and band- width", Order, 18, pp.237~245 (2001)
  2. G.-B. Chae, "Irreducible posets of linear discrep- ancy 1 and 2", FJMS, 22(2), pp.217~226 (2006)
  3. S.-M. Kim, "The linear discrepancy of the product of three chains of size 2n", FJMS, 30, pp.285~298 (2008)
  4. D. M. Howard, "Irreducible width 2 posets of linear discrepancy 3", Order, 25, pp.105~119 (2008)
  5. D. M. Howard, "A Characterization of Partially Ordered Sets with Linear Discrepancy Equal to 2", Order, 24, pp.139~153 (2007)
  6. S. Hong, "Linear Discrepancy of the Product of Two Chains", Order, 22, pp.63~72 (2005)
  7. Ng, S.-L, "A characterisation of posets that are nearly antichains", Order, 21, pp.1~5 (2004)
  8. P. Tanenbaum, "Linear discrepancy and weak discrepancy of partially ordered sets", Order, 18, pp.201~225 (2001)
  9. M. Cheong, "ld(3 £ 3 £ 3) = 15", ~

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