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PROPERTIES AND CONSTRUCTION OF UNIQUE MAXIMAL FACTORIZATION FAMILIES FOR STRINGS
We say a family $\mathcal{W}$ of strings over an alphabet is an UMFF if every string has a unique maximal factorization over $\mathcal{W}$ . Foundational work by Chen, Fox and Lyndon established properties of the Lyndon circ-UMFF, which is based on lexicographic ordering. Commencing with the circ-UM...
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Published in: | International journal of foundations of computer science 2008-08, Vol.19 (4), p.1073-1084 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | We say a family
$\mathcal{W}$
of strings over an alphabet is an UMFF if every string has a unique maximal factorization over
$\mathcal{W}$
. Foundational work by Chen, Fox and Lyndon established properties of the Lyndon circ-UMFF, which is based on lexicographic ordering. Commencing with the circ-UMFF related to V-order, we then proved analogous factorization families for a further 32 Block-like binary orders. Here we distinguish between UMFFs and circ-UMFFs, and then study the structural properties of circ-UMFFs. These properties give rise to the complete construction of any circ-UMFF. We prove that any circ-UMFF is a totally ordered set and a factorization over it must be monotonic. We define atom words and initiate a study of u, v-atoms. Applications of circ-UMFFs arise in string algorithmics. |
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ISSN: | 0129-0541 1793-6373 |
DOI: | 10.1142/S0129054108006133 |