KM-Fuzzy Approach Space. - Juan Martínez-Moreno; Antonio-Francisco Roldán-López-de-Hierro; Concepción Roldán (IFSA/EUSFLAT Conf., 2009)

Factors influencing university drop out rates. - Francisco Araque; Concepción Roldán; Alberto Salguero (Comput. Educ., 2009)

A fuzzy regression model based on distances and random variables with crisp input and fuzzy output data: a case study in biomass production. - Concepción Roldán; Antonio-Francisco Roldán-López-de-Hierro; Juan Martínez-Moreno (Soft Comput., 2012)

Some applications of the study of the image of a fuzzy number: Countable fuzzy numbers, operations, regression and a specificity-type ordering. - Antonio-Francisco Roldán-López-de-Hierro; Juan Martínez-Moreno; Concepción Roldán (Fuzzy Sets Syst., 2014)

Multidimensional coincidence point results for compatible mappings in partially ordered fuzzy metric spaces. - Antonio-Francisco Roldán-López-de-Hierro; Juan Martínez-Moreno; Concepción Roldán; Y. J. Cho (Fuzzy Sets Syst., 2014)

Coincidence point theorems on metric spaces via simulation functions. - Antonio-Francisco Roldán-López-de-Hierro; Erdal Karapinar; Concepción Roldán-López-de-Hierro; Juan Martínez-Moreno (J. Comput. Appl. Math., 2015)

Multidimensional fixed point theorems under (ψ, φ)-contractive conditions in partially ordered complete metric spaces. - Antonio-Francisco Roldán-López-de-Hierro; Juan Martínez-Moreno; Concepción Roldán; Y. J. Cho (J. Comput. Appl. Math., 2015)

A fuzzy regression approach using Bernstein polynomials for the spreads: Computational aspects and applications to economic models. - Antonio-Francisco Roldán-López-de-Hierro; Juan Martínez-Moreno; Concepción Aguilar-Peña; Concepción Roldán-López-de-Hierro (Math. Comput. Simul., 2016)

A family of fuzzy distance measures of fuzzy numbers. - Concepción Aguilar-Peña; Antonio-Francisco Roldán-López-de-Hierro; Concepción Roldán-López-de-Hierro; Juan Martínez-Moreno (Soft Comput., 2016)

Estimation of a Fuzzy Regression Model Using Fuzzy Distances. - Antonio-Francisco Roldán-López-de-Hierro; Juan Martínez-Moreno; Concepción Aguilar-Peña; Concepción Roldán-López-de-Hierro (IEEE Trans. Fuzzy Syst., 2016)

A fuzzy regression model based on finite fuzzy numbers and its application to real-world financial data. - Gerry Alfonso; Antonio-Francisco Roldán-López-de-Hierro; Concepción Roldán (J. Comput. Appl. Math., 2017)

Two novel methodologies for considering aggregation functions by implicit equations and minimization problems. - Ainara López-Maestresalas; Humberto Bustince; Javier Fernández 002; Radko Mesiar; Concepción Roldán (Eur. J. Oper. Res., 2018)

On a new methodology for ranking fuzzy numbers and its application to real economic data. - Antonio-Francisco Roldán-López-de-Hierro; Concepción Roldán; Francisco Herrera (Fuzzy Sets Syst., 2018)

A novel fuzzy methodology applied for ranking trapezoidal fuzzy numbers and new properties. - Antonio-Francisco Roldán-López-de-Hierro; Antonio Márquez Montávez; Concepción Roldán (Int. J. Comput. Math., 2020)

Affine construction methodology of aggregation functions. - Antonio-Francisco Roldán-López-de-Hierro; Concepción Roldán; Humberto Bustince; Javier Fernández 002; Iosu Rodríguez; Habib Fardoun; Julio Lafuente (Fuzzy Sets Syst., 2021)

A fuzzy methodology for approaching fuzzy sets of the real line by fuzzy numbers. - Antonio-Francisco Roldán-López-de-Hierro; Miguel Ángel Tíscar; Concepción Roldán; Humberto Bustince (Fuzzy Sets Syst., 2022)

Multi-criteria decision making involving uncertain information via fuzzy ranking and fuzzy aggregation functions. - Antonio-Francisco Roldán-López-de-Hierro; Miguel Sánchez; Concepción Roldán (J. Comput. Appl. Math., 2022)

Type-$(2,k)$ Overlap Indices. - Antonio-Francisco Roldán-López-de-Hierro; Concepción Roldán; Miguel Ángel Tíscar; Zdenko Takác; Regivan H. N. Santiago; Graçaliz Pereira Dimuro; Javier Fernández 002; Humberto Bustince (IEEE Trans. Fuzzy Syst., 2023)

On the notion of fuzzy dispersion measure and its application to triangular fuzzy numbers. - Antonio-Francisco Roldán-López-de-Hierro; Humberto Bustince; María del Mar Rueda; Concepción Roldán; Laura De Miguel; Carlos Guerra (Inf. Fusion, 2023)

From type-(2, k) grouping indices to type-(2, k) Jaccard indices. - Antonio-Francisco Roldán-López-de-Hierro; Concepción Roldán; Carlos Guerra; Javier Fernández 002; Anderson Paiva Cruz; Ronei Marcos de Moraes; Humberto Bustince (Fuzzy Sets Syst., 2025)

Fuzzy dissimilarities and the fuzzy Choquet integral of triangular fuzzy numbers on [0, 1]. - Antonio-Francisco Roldán-López-de-Hierro; Anderson Paiva Cruz; Regivan H. N. Santiago; Concepción Roldán; Diego García-Zamora; Fernando Neres; Humberto Bustince (Fuzzy Sets Syst., 2025)