Recovery of cyclic words by their subwords

Fuente: arXiv
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Main Authors: Luchinin, Sergey, Puzynina, Svetlana, Rao, Michaël
Format: Preprint
Published: 2024
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author Luchinin, Sergey
Puzynina, Svetlana
Rao, Michaël
author_facet Luchinin, Sergey
Puzynina, Svetlana
Rao, Michaël
contents A problem of reconstructing words from their subwords involves determining the minimum amount of information needed, such as multisets of scattered subwords of a specific length or the frequency of scattered subwords from a given set, in order to uniquely identify a word. In this paper we show that a cyclic word on a binary alphabet can be reconstructed by its scattered subwords of length $\frac34n+4$, and for each $n$ one can find two cyclic words of length $n$ which have the same set of scattered subwords of length $\frac34n-\frac32$.
format Preprint
id arxiv_https___arxiv_org_abs_2412_03289
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Recovery of cyclic words by their subwords
Luchinin, Sergey
Puzynina, Svetlana
Rao, Michaël
Discrete Mathematics
Combinatorics
68R15
A problem of reconstructing words from their subwords involves determining the minimum amount of information needed, such as multisets of scattered subwords of a specific length or the frequency of scattered subwords from a given set, in order to uniquely identify a word. In this paper we show that a cyclic word on a binary alphabet can be reconstructed by its scattered subwords of length $\frac34n+4$, and for each $n$ one can find two cyclic words of length $n$ which have the same set of scattered subwords of length $\frac34n-\frac32$.
title Recovery of cyclic words by their subwords
topic Discrete Mathematics
Combinatorics
68R15
url https://arxiv.org/abs/2412.03289