2 papers
math.CO2025
Improved lower bounds on the maximum size of graphs with girth 5
Jan Goedgebeur, Jorik Jooken, Gwenaël Joret +1
We present a new algorithm for improving lower bounds on , the maximum size (number of edges) of an -vertex graph of girth at least 5. The core of our algorit…
math.CO2024
Computational methods for finding bi-regular cages
Jan Goedgebeur, Jorik Jooken, Tibo Van den Eede
An -graph is a (simple, undirected) graph of girth with vertices of degrees and where . Given , we seek the -graphs…