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Functors and enumeration for ordered sets. (English) Zbl 0568.06001

Contributions to general algebra 3, Proc. Conf., Vienna 1984, 341-353 (1985).
[For the entire collection see Zbl 0559.00002.]
This paper gives some generalizations of A. Joyal’s functorial enumeration theory [Adv. Math. 42, 1-82 (1981; Zbl 0491.05007)] for ordered sets.
Reviewer: J.Cigler

MSC:

06A06 Partial orders, general
05A15 Exact enumeration problems, generating functions