Aleksi Vanhatalo

collaborators

2 papers

math.CO2025

Mapped Exponent and Asymptotic Critical Exponent of Words

Eva Foster, Aleksi Saarela, Aleksi Vanhatalo

We study how much injective morphisms can increase the repetitiveness of a given word. This question has a few possible variations depending on the meaning of ``repetitiveness''. W…

math.CO2024

A Connection Between Unbordered Partial Words and Sparse Rulers

Aleksi Saarela, Aleksi Vanhatalo

$Partial words$ are words that contain, in addition to letters, special symbols $♢$ called $holes$ . Two partial words of $a = a_{0} \dots a_{n}$ and $b=b_0 \…