2011
DOI: 10.37236/561
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General Results on the Enumeration of Strings in Dyck Paths

Abstract: Let $\tau$ be a fixed lattice path (called in this context string) on the integer plane, consisting of two kinds of steps. The Dyck path statistic "number of occurrences of $\tau$" has been studied by many authors, for particular strings only. In this paper, arbitrary strings are considered. The associated generating function is evaluated when $\tau$ is a Dyck prefix (or a Dyck suffix). Furthermore, the case when $\tau$ is neither a Dyck prefix nor a Dyck suffix is considered, giving some partial results. … Show more

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Cited by 8 publications
(5 citation statements)
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“…Manes, Sapounakis, Tasoulas and Tsikouras [21] introduced the concept of depth for a lattice path defined to be the difference between the height of the lowest position of the path and that of the starting point. In this paper, we also consider the depth statistic of a ballot permutation π defined to be the depth of the ballot path corresponding to π.…”
Section: Introductionmentioning
confidence: 99%
“…Manes, Sapounakis, Tasoulas and Tsikouras [21] introduced the concept of depth for a lattice path defined to be the difference between the height of the lowest position of the path and that of the starting point. In this paper, we also consider the depth statistic of a ballot permutation π defined to be the depth of the ballot path corresponding to π.…”
Section: Introductionmentioning
confidence: 99%
“…Many articles dealing with the number of occurrences of strings in Dyck paths have appeared in the literature (e.g., [3,6,7,8,9]). More general results on this subject are given in [4,5].…”
Section: Introductionmentioning
confidence: 99%
“…Σημειώνεται ότι η πλήρης γενίκευση των αποτελεσμάτων που καλύπτει όλες τις δυνατές μορφές του προτύπου τ αποτελεί ανοικτό πρόβλημα. Τα βασικά αποτελέσματα αυτού του Κεφαλαίου έχουν δημοσιευθεί στην εργασία [45]. Στο τέταρτο Κεφάλαιο, μελετάται το πρόβλημα της απαρίθμησης των εμφανίσεων ενός προτύπου τ μήκους 3 σε μονοπάτια Grand-Dyck.…”
Section: περίληψηunclassified
“…´Οπως προκύπτει, η στατιστική N τ εξαρτάται από κάποια βασικά χαρακτηριστικά του προτύπου τ, συγκεκριμένα, από το μήκος, το ύψος, το βάθος και την περιοδικότητά του. Τα βασικά αποτελέσματα αυτού του κεφαλαίου, έχουν δημοσιευθεί στην εργασία [45].…”
Section: 6)unclassified
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