2 papers
math.OC2024
Existence and uniqueness of solutions for Leontief's Input-Output Model, graph theory and sensitivity analysis
José Carlos Bellido, Luis Felipe Prieto-Martínez
We provide a complete study of existence and uniqueness (uniqueness up to multiples in the case ) of non-negative and non-trivial solutions fo…
math.MG2023
The concept of center as an equivariant map and a proof of an analogue of the center conjecture for equifacetal simplices
Luis Felipe Prieto-Martínez
Several authors have remarked the convenience of understanding the different notions of center appearing in Geometry (centroid of a set of points, incenter of a triangle, center of…