2 papers
math.GM2026
Fibonacci numbers along residue classes and convolutions
Helmut Prodinger
The sequence and its convolutions have (for ) been studied in a recent paper at the arxiv [arXiv:2603.08636]. The instance with general is more involved and use…
math.CO2025
Horton-Strahler numbers for binary butterfly trees: exact analysis
Helmut Prodinger
Peca suggested in a recent paper on the arxiv to consider binary butterfly trees and their Horton-Strahler numbers. The trees are obtained by glueing two binary trees together in a…