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  • Partially ordered set  (1)
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  • Springer  (1)
  • Copernicus
  • Springer Nature
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  • 2015-2019
  • 1985-1989  (1)
  • 1930-1934
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  • 2017
  • 1986  (1)
  • 1931
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Order 3 (1986), S. 15-20 
    ISSN: 1572-9273
    Keywords: 06A10 ; Partially ordered set
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Let P be a partially ordered set. Define k = k (P) = max p∈ |{x ∈ P : p 〈 x or p = x}|, i.e., every element is comparable with at most k others. Here it is proven that there exists a constant c (c 〈 50) such that dim P 〈 ck(log k)2. This improves an earlier result of Rödl and Trotter (dim P ≤2 k 2+2). Our proof is nonconstructive, depending in part on Lovász' local lemma.
    Type of Medium: Electronic Resource
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