scientific article; zbMATH DE number 679814
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Publication:4311859
zbMath0819.20071MaRDI QIDQ4311859
Publication date: 24 August 1995
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Catalan numbersfull transformation semigroupsnumber of elementsorder-preserving mappingsdecreasing mappings
Binomial coefficients; factorials; (q)-identities (11B65) Semigroups of transformations, relations, partitions, etc. (20M20) Asymptotic results on counting functions for algebraic and topological structures (11N45)
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Finitary 2-categories associated with dual projection functors ⋮ Categorification of the Catalan monoid.
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