Jeffrey Shallit

collaborators

2 papers

math.CO2025

The Narayana Morphism and Related Words

Jeffrey Shallit

The Narayana morphism $ν$ maps $0 \to 01$ , $1 \to 2$ , $2 \to 0$ and has a fixed point $n = n_{0} n_{1} n_{2} \dots = 0120010120120 \dots$ . In this…

math.NT2025

The Hurt-Sada Array and Zeckendorf Representations

Jeffrey Shallit

Wesley Ivan Hurt and Ali Sada both independently proposed studying an infinite array where the $0$ 'th row consists of the non-negative integers $0, 1, 2, \dots$ in increasing order.…