3 papers
cs.FL2025
The Tribonacci constant and finite automata
Jeffrey Shallit
We show that there is no automaton accepting the Tribonacci representations of and in parallel, where is the Tribonacci constant, and $x= \lfloor n ψ\rfloo…
math.NT2025
On the -adic valuations of values of Legendre polynomials
Max A. Alekseyev, Tewodros Amdeberhan, Jeffrey Shallit +1
We prove an explicit formula for the -adic valuation of the Legendre polynomials evaluated at a prime , and generalize an old conjecture of the third author. We also…
math.CO2024
Christoffel Matrices and Sturmian Determinants
Christophe Reutenauer, Jeffrey Shallit
We discuss certain matrices associated with Christoffel words, and show that they have a group structure. We compute their determinants and show a relationship between the Zolotare…