The number of order-preserving maps of fences and crowns
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Publication:1182061
DOI10.1007/BF00383399zbMath0749.05005MaRDI QIDQ1182061
James D. Currie, Terry I. Visentin
Publication date: 27 June 1992
Published in: Order (Search for Journal in Brave)
Exact enumeration problems, generating functions (05A15) Combinatorics of partially ordered sets (06A07) Asymptotic enumeration (05A16)
Related Items (11)
The number of order-preserving maps between fences and crowns ⋮ The rank of the inverse semigroup of partial automorphisms on a finite fence ⋮ Generating sets of an infinite semigroup of transformations preserving a zig-zag order ⋮ On the semigroup of all partial fence-preserving injections on a finite set ⋮ The rank of the inverse semigroup of all partial automorphisms on a finite crown ⋮ Congruences on infinite semigroups of transformations preserving a zig-zag order ⋮ Enumeration of order preserving maps ⋮ The rank of the semigroup of all order-preserving transformations on a finite fence ⋮ The formula for the number of order-preserving selfmappings of a fence ⋮ Regular semigroups of partial transformations preserving a fence N ⋮ Counting the number of isotone selfmappings of crowns
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