2 papers
math.CO2026
Counting Isomorphism Classes of Spanning Trees of Complete Bipartite Graphs
Peter Johnson, Shayne Nochumson
Spanning trees of complete bipartite graphs exhibit a rich interaction between degree sequences and graph structure. In this paper, we obtain lower bounds on the number of isomorph…
math.CO2025
Yet Another Species of Forbidden-distances Chromatic Number
Aaron Abrams, Peter Johnson
This 2001 paper introduces a new type of chromatic number for point sets.