2 papers
math.CO2026
On the Number of Rational Power Factors in a Finite Word
Shuo Li, Yuan Song
Let be a finite word of length . In this paper, we study the maximum possible number of distinct rational power factors in a finite word. A rational power is a word of the f…
math.CO2026
A Tighter Upper Bound for the Number of Distinct Squares in Circular Words
Shuo Li, Yuan Song
A \emph{square} is a word of the form , where is a nonempty finite word. Given a finite word of length , let denote the corresponding \emph{circular word}, i.e…