A Determinant of Stirling Cycle Numbers Counts Unlabeled Acyclic Single-Source Automata

We show that a determinant of Stirling cycle numbers counts unlabeled acyclic single-source automata. The proof involves a bijection from these automata to certain marked lattice paths and a sign-reversing involution to evaluate the determinant. We also give a formula for the number of acyclic...

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Bibliographic Details
Main Author: David Callan
Format: Article
Language:English
Published: Discrete Mathematics & Theoretical Computer Science 2008-04-01
Series:Discrete Mathematics & Theoretical Computer Science
Online Access:http://www.dmtcs.org/dmtcs-ojs/index.php/dmtcs/article/view/657