Dmitry Kosolobov, Mikhail Rubinchik and Arseny M. Shur
Finding Distinct Subpalindromes Online
| Abstract: | 
| We exhibit an online algorithm finding all distinct palindromes inside a given string in time Θ(n log |Σ|) over an ordered alphabet and in time Θ(n |Σ|) over an unordered alphabet. Using a reduction from a dictionary-like data structure, we prove the optimality of this algorithm in the comparison-based computation model. | 
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