2 papers
math.AT2022
Covering-based numbers related to the LS-category of finite spaces
Manuel Cárdenas, Ramón Flores, Antonio Quintero +1
In this paper, Lusternik-Schinrelmann and geometric category of finite spaces are considered. We define new numerical invariants of these spaces derived from the geometric category…
math.CO2016
Contrast in Greyscales of Graphs
Natalia de Castro, María A. Garrido-Vizuete, Rafael Robles +1
A greyscale of a graph is a mapping from to the interval such that . This function induces another mapping on $…