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math.CO2023
More characterizations of morphic words
Golnaz Badkobeh, Pascal Ochem
An interesting phenomenon in combinatorics on words is when every recurrent word satisfying some avoidance constraints has the same factor set as a morphic word. An early example i…
math.CO2023
Critical exponent of binary words with few distinct palindromes
L'ubomíra Dvořáková, Pascal Ochem, Daniela Opočenská
We study infinite binary words that contain few distinct palindromes. In particular, we classify such words according to their critical exponents. This extends results by Fici and…