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.CO2012
On irreducible triangulations of punctured and pinched surfaces
M. J. Chávez, S. Lawrencenko, A. Quintero +1
A triangulation of a punctured or pinched surface is irreducible if no edge can be shrunk without producing multiple edges or changing the topological type of the surface. The fini…