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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Order 1 (1984), S. 29-34 
    ISSN: 1572-9273
    Keywords: Primary 06A10 ; secondary 05C60 ; 20B25 ; Poset ; Peck poset ; Sperner property ; automorphism group ; quotient poset ; edge-reconstruction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract An elementary, self-contained proof of a result of Pouzet and Rosenberg and of Harper is given. This result states that the quotient of certain posets (called unitary Peck) by a finite group of automorphisms retains some nice properties, including the Sperner property. Examples of unitary Peck posets are given, and the techniques developed here are used to prove a result of Lovász on the edge-reconstruction conjecture.
    Type of Medium: Electronic Resource
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