Hyperbolicity on Graph OperatorsMéndez-Bermúdez, J.; Reyes, Rosalío; Rodríguez, José; Sigarreta, José · Symmetry · 2018

Gromov hyperbolic graphsBermudo, Sergio; Rodríguez, José M.; Sigarreta, José M.; Vilaire, Jean-Marie · Discrete Mathematics · 2013

Inequalities on the inverse degree indexRodríguez, José M.; Sánchez, José L.; Sigarreta, José M. · Journal of Mathematical Chemistry · 2019

Alliance polynomial of regular graphsCarballosa, Walter; Rodríguez, José M.; Sigarreta, José M.; Torres-Nuñez, Yadira · Discrete Applied Mathematics · 2017

Planarity and Hyperbolicity in GraphsCarballosa, Walter; Portilla, Ana; Rodríguez, José M.; Sigarreta, José M. · Graphs and Combinatorics · 2015

Graphs with small hyperbolicity constantBermudo, Sergio; Rodríguez, José M.; Rosario, Omar; Sigarreta, José M. · Electronic Notes in Discrete Mathematics · 2014

Spectral properties of geometric–arithmetic indexRodríguez, José M.; Sigarreta, José M. · Applied Mathematics and Computation · 2016