p-means centrality. - Ricardo Lopes de Andrade; Leandro Chaves Rêgo (Commun. Nonlinear Sci. Numer. Simul., 2019)

Energy disruptive centrality with an application to criminal network. - Ricardo Lopes de Andrade; Leandro Chaves Rêgo; Ticiana L. Coelho da Silva; José Antônio Fernandes de Macêdo; Wellington C. P. Silva (Commun. Nonlinear Sci. Numer. Simul., 2021)

A proposal for the EI index for fuzzy groups. - Ricardo Lopes de Andrade; Leandro Chaves Rêgo (Soft Comput., 2023)

Quantifying intragroup and intergroup connections in non-disjoint groups in social networks: A comprehensive analysis incorporating edges' and nodes' weights. - Ricardo Lopes de Andrade; Leandro Chaves Rêgo (Inf. Sci., 2024)