Interaction properties of relational periodsArticle
Authors: Vesa Halava 1; Tero Harju 1; Tomi Kärki 1
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Vesa Halava;Tero Harju;Tomi Kärki
1 Turku Centre for Computer Science
We consider relational periods where the relation is a compatibility relation on words induced by a relation on letters. We introduce three types of periods, namely global, external and local relational periods, and we compare their properties by proving variants of the theorem of Fine and Wilf for these periods.