2 papers
math.GM2026
The -matrix group inverse problem for recoverable complete networks
Angeles Carmona, Andrés M. Encinas, Sweta Patra +1
This study investigates the conditions under which the group inverse of a singular, irreducible, symmetric -matrix retains the -matrix property. By concentrating on a structu…
math.CO2025
A Spectral Approach to Kemeny's Constant
Aida Abiad, Ãngeles Carmona, Andrés M. Encinas +2
Kemeny's constant quantifies the expected time for a random walk to reach a randomly chosen vertex, providing insight into the global behavior of a Markov chain. We present a novel…