Acta mathematica scientia,Series B ›› 1994, Vol. 14 ›› Issue (2): 174-178.
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Wu Shiquan
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Abstract: In this paper, we represent semiorders with height at most one by ordered paritions and give an analytic formula for enumerating the semiorders of an n-set. Problem 2. 21, posed by K. P. Bogart in[7], is closed for semiorders and interval orders with height at most one and cardinality n.
Wu Shiquan. REPRESENTATIONS AND ENUMERATIONS OF SEMIORDERS WITH HEIGHT ONE[J].Acta mathematica scientia,Series B, 1994, 14(2): 174-178.
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