3 papers
cs.DM2026
A Characterization of Geodetic Graphs in Terms of their Embedded Even Graphs
Carlos E. Frasser
The problem of finding the general classification of geodetic graphs is still open. We believe that one of the obstacles to attain this goal is that geodetic graphs lack a structur…
cs.DM2025
Block Designs and K-Geodetic Graphs: A Survey
Carlos E. Frasser
K-geodetic graphs (K capital) are defined as graphs in which each pair of nonadjacent vertices has at most K paths of minimum length between them. A K-geodetic graph is geodetic if…
math.HO2024
A Course of Algebra (PART I)
Carlos E. Frasser
The following is an exposition of a course of algebra that Prof. Aleksandr Aleksandrovich Zykov (1922-2013) distributed among the participants of his seminar in graph theory not fa…