#12150: upgrade defect() of a finite word to work correctly with any involutive
antimorphism as generalized reversal mapping
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Reporter: sstarosta | Owner: sstarosta
Type: enhancement | Status: new
Priority: trivial | Milestone: sage-4.8
Component: combinatorics | Keywords: finite word, defect,
palindrome, pseudopalindrome
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Description changed by sstarosta:
Old description:
> Update defect() method of a finite word to calculate the defect for
> generalized palindromes.
>
> Details: the defect is the difference between the maximum number of
> palindromic factors in a word and their actual count. If we count
> generalized palindromes (or f-palindromes, theta-palindromes,
> pseudopalindromes...), the upper bound needs to be corrected according to
> [1].
>
> [1] Š. Starosta, On Theta-palindromic Richness, Theoret. Comp. Sci. 412
> (2011) 1111-1121, DOI: 10.1016/j.tcs.2010.12.011
New description:
Update defect() method of a finite word to calculate the defect for
generalized palindromes.
Details: the defect is the difference between the maximum number of
palindromic factors in a word and their actual count. If we count
generalized palindromes (or f-palindromes, theta-palindromes,
pseudopalindromes...), the upper bound needs to be corrected according to
(Š. Starosta, On Theta-palindromic Richness, Theoret. Comp. Sci. 412
(2011) 1111-1121, DOI: 10.1016/j.tcs.2010.12.011).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12150#comment:1>
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