2 papers
math.GM2024
Soft convex structures
José Sanabria, Adolfo Pimienta, Semiramis Zambrano
In this manuscript the idea of soft convex structures is given and some of their properties are investigated. Also, soft convex sets, soft concave sets and soft convex hull operato…
math.FA2024
The property and local spectral theory
Elvis Aponte, Lourival Lima, José Sanabria
In this paper, we introduce and study the spectral property . This property means that the difference between the approximate point spectrum and the upper semi-Fredholm spec…