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Counting Idempotent Relations
Counting Idempotent Relations
Kammüller, Florian
Fak. 4 Elektrotechnik und Informatik
This article introduces and motivates idempotent relations. It summarizes characterizations of idempotents and their relationship to transitive relations and quasi-orders. Finally it presents a counting method for idempotent relations and lists the results for up to 6 points.