Toward a logic for numerical approximations. - Regivan Hugo Nunes Santiago; Benedito Melo Acióly (RITA, 1996)

A normal form which preserves 1-tautologies and 0-contradictions in a class of residuum-based propositional fuzzy logics. - Benjamín René Callejas Bedregal; Regivan H. N. Santiago; Anne Magály de Paula Canuto (FUZZ-IEEE, 2004)

Implementing Local Intervals in CASL. - Regivan Hugo Nunes Santiago; Anamaria Martins Moreira; Katiane R. Lopes (SBMF, 2005)

Formal Aspects of Correctness and Optimality of Interval Computations. - Regivan Hugo Nunes Santiago; Benjamín René Callejas Bedregal; Benedito Melo Acióly (Formal Aspects Comput., 2006)

The Best Interval Representation of Fuzzy S-Implications and Automorphisms. - Benjamín R. C. Bedregal; Regivan Hugo Nunes Santiago; Renata Hax Sander Reiser; Graçaliz Pereira Dimuro (FUZZ-IEEE, 2007)

Mathematical morphology for two valued gray-scale images with undefined information. - Marcia Maria de Castro Cruz; Regivan Hugo Nunes Santiago; Adrião Duarte Dória Neto (ISMM (2), 2007)

Interval Valued QL-Implications. - Renata Hax Sander Reiser; Graçaliz Pereira Dimuro; Benjamín R. C. Bedregal; Regivan Hugo Nunes Santiago (WoLLIC, 2007)

Interval Additive Generators of Interval T-Norms. - Graçaliz Pereira Dimuro; Benjamín R. C. Bedregal; Renata Hax Sander Reiser; Regivan Hugo Nunes Santiago (WoLLIC, 2008)

On interval fuzzy S-implications. - Benjamín R. C. Bedregal; Graçaliz Pereira Dimuro; Regivan Hugo Nunes Santiago; Renata Hax Sander Reiser (Inf. Sci., 2010)

Natural topology via fuzzy metric. - Fágner L. Santana; Regivan Hugo Nunes Santiago (FUZZ-IEEE, 2011)

A Framework for Interval Quantization and Application to Interval Based Algorithms in Digital Signal Processing. - Fabiana T. Santana; Fágner L. Santana; Ana Maria G. Guerreiro; Adrião Duarte Dória Neto; Regivan H. N. Santiago (Fundam. Informaticae, 2011)

Interval additive generators of interval t-norms and interval t-conorms. - Graçaliz Pereira Dimuro; Benjamín René Callejas Bedregal; Regivan Hugo Nunes Santiago; Renata Hax Sander Reiser (Inf. Sci., 2011)

The law x ≤ I(y; x) and the three main classes of fuzzy implications. - Anderson Paiva Cruz; Benjamín R. C. Bedregal; Regivan Hugo Nunes Santiago (FUZZ-IEEE, 2012)

On fuzzy ideals of fuzzy lattice. - Ivan Mezzomo; Benjamín R. C. Bedregal; Regivan Hugo Nunes Santiago (FUZZ-IEEE, 2012)

Classification of Pharmaceutical Solid Excipients Using Self-Organizing Maps. - Giovani Ângelo S. da Nóbrega; Marco V. M. Navarro; Túlio A. de Lima e Moura; Daiane Soares; José Alfredo F. Costa; Edilene P. Lavor; Regivan H. N. Santiago (IDEAL, 2012)

Fuzzy Implication Classes Satisfying a Boolean-Like Law. - Anderson Paiva Cruz; Benjamín R. C. Bedregal; Regivan H. N. Santiago (AGOP, 2013)

Strongly prime fuzzy ideals over noncommutative rings. - Flaulles Boone Bergamaschi; Regivan H. N. Santiago (FUZZ-IEEE, 2013)

Fuzzy quaternion numbers. - Ronildo P. A. Moura; Flaulles Boone Bergamaschi; Regivan H. N. Santiago; Benjamín René Callejas Bedregal (FUZZ-IEEE, 2013)

On properties of fuzzy ideals. - Flaulles Boone Bergamaschi; Regivan H. N. Santiago (IFSA/NAFIPS, 2013)

Operations on bounded fuzzy lattices. - Ivan Mezzomo; Benjamín René Callejas Bedregal; Regivan H. N. Santiago (IFSA/NAFIPS, 2013)

α-ideals of fuzzy lattices. - Ivan Mezzomo; Benjamín René Callejas Bedregal; Regivan Hugo Nunes Santiago (IFSA/NAFIPS, 2013)

Fuzzy a-Ideals of Product Operator on Bounded Fuzzy Lattices. - Ivan Mezzomo; Benjamín René Callejas Bedregal; Regivan Hugo Nunes Santiago; Renata Hax Sander Reiser (WEIT, 2013)

Interval representations, Łukasiewicz implicators and Smets-Magrez axioms. - Benjamín René Callejas Bedregal; Regivan Hugo Nunes Santiago (Inf. Sci., 2013)

Uniformly strongly prime fuzzy ideals. - Flaulles Boone Bergamaschi; Regivan H. N. Santiago (FUZZ-IEEE, 2014)

Rotation of triangular fuzzy numbers via quaternion. - Ronildo P. A. Moura; Flaulles Boone Bergamaschi; Regivan Hugo Nunes Santiago; Benjamín R. C. Bedregal (FUZZ-IEEE, 2014)

Fuzzy clustering algorithm with H-operator applied to problems with interval-based data. - Liliane R. da Silva; Ronildo P. A. Moura; Anne M. P. Canuto; Regivan Hugo Nunes Santiago; Benjamín R. C. Bedregal (FUZZ-IEEE, 2014)

Typical Hesitant Fuzzy Negations. - Benjamín R. C. Bedregal; Regivan H. N. Santiago; Humberto Bustince; Daniel Paternain; Renata Reiser (Int. J. Intell. Syst., 2014)

On the Boolean-like Law I(x, I(y, x)) = 1. - Anderson Paiva Cruz; Benjamín R. C. Bedregal; Regivan Hugo Nunes Santiago (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2014)

On (G, N)-implications derived from grouping functions. - Graçaliz Pereira Dimuro; Benjamín R. C. Bedregal; Regivan Hugo Nunes Santiago (Inf. Sci., 2014)

Analysing some R-Implications and its application in fuzzy mathematical morphology. - Alexsandra Oliveira Andrade; Roque Mendes Prado Trindade; Deise Santana Maia; Regivan Hugo Nunes Santiago; Ana Maria Guimarães Guerreiro (J. Intell. Fuzzy Syst., 2014)

Generalized Distance and an Example of Fuzzy Metric. - Fágner L. Santana; Fabiana T. Santana; Regivan H. N. Santiago (IFSA-EUSFLAT, 2015)

Construction of Typical Hesitant Triangular Norms regarding Xu-Xia-partial Order. - Hélida Salles Santos; Benjamín R. C. Bedregal; Regivan H. N. Santiago; Humberto Bustince; Edurne Barrenechea Tartas (IFSA-EUSFLAT, 2015)

Gradual Complex Numbers. - Emmanuelly Sousa; Regivan H. N. Santiago (IFSA-EUSFLAT, 2015)

Analysis of fuzzy morphology in spore counts of mycorrhizal fungi. - Alexsandra Oliveira Andrade; Roque Mendes Prado Trindade; Vanessa B. F. Neves; Alecio S. Barros; Isadora B. Soares; Reginaldo Pereira Costa; Divino Levi Miguel; Regivan H. N. Santiago; Ana Maria G. Guerreiro (NAFIPS/WConSC, 2015)

The counting of mycorrhizal fungi spores using fuzzy mathematical morphology. - Alexsandra Oliveira Andrade; Roque Mendes Prado Trindade; Vanessa B. F. Neves; Deise Santana Maia; Divino Levi Miguel; Regivan H. N. Santiago; Ana Maria G. Guerreiro (NAFIPS/WConSC, 2015)

On properties of Uniformly Strongly Prime fuzzy ideals. - Flaulles Boone Bergamaschi; Regivan H. N. Santiago (NAFIPS/WConSC, 2015)

Types of fuzzy ideals in fuzzy lattices. - Ivan Mezzomo; Benjamín René Callejas Bedregal; Regivan Hugo Nunes Santiago (J. Intell. Fuzzy Syst., 2015)

An Interval-Based Framework for Fuzzy Clustering Applications. - Liliane R. da Silva; Ronildo P. A. Moura; Anne M. P. Canuto; Regivan H. N. Santiago; Benjamín R. C. Bedregal (IEEE Trans. Fuzzy Syst., 2015)

Some properties of Generalized Mixture functions. - Antonio Diego Silva Farias; Regivan H. N. Santiago; Benjamín R. C. Bedregal (FUZZ-IEEE, 2016)

The image reduction process based on Generalized Mixture functions. - Antonio Diego Silva Farias; Valdigleis S. Costa; Regivan H. N. Santiago; Benjamín R. C. Bedregal (NAFIPS, 2016)

A residuated function in a class of Mealy type L-Valued finite automaton. - Antonio Diego Silva Farias; Valdigleis S. Costa; Regivan H. N. Santiago; Benjamín R. C. Bedregal (NAFIPS, 2016)

On Interval Dynamic Logic. - Regivan H. N. Santiago; Benjamín R. C. Bedregal; Alexandre Madeira; Manuel A. Martins 001 (SBMF, 2016)

A Method for Image Reduction Based on a Generalization of Ordered Weighted Averaging Functions. - Antonio Diego Silva Farias; Valdigleis S. Costa; Luiz Ranyer de Araújo Lopes; Benjamín R. C. Bedregal; Regivan H. N. Santiago (CoRR, 2016)

A generalized distance based on a generalized triangle inequality. - Fágner L. Santana; Regivan H. N. Santiago (Inf. Sci., 2016)

Generalized quasi-metric on strings. - Fágner L. Santana; Regivan H. N. Santiago; Benjamín R. C. Bedregal; Daniel Paternain; Humberto Bustince (Inf. Sci., 2016)

Closure properties for fuzzy recursively enumerable languages and fuzzy recursive languages. - Antonio Diego Silva Farias; Luiz Ranyer de Araújo Lopes; Benjamín René Callejas Bedregal; Regivan H. N. Santiago (J. Intell. Fuzzy Syst., 2016)

(T, N)-implications. - Jocivania Pinheiro; Benjamín R. C. Bedregal; Regivan H. N. Santiago; Hélida S. Santos (FUZZ-IEEE, 2017)

Directional and Ordered Directional Monotonicity of Generalized and Bounded Generalized Mixture Functions. - Antonio Diego Silva Farias; Claudio Callejas; Regivan H. N. Santiago; Benjamín R. C. Bedregal (FUZZ-IEEE, 2018)

naBL-algebras based on overlaps and their conjugates. - Rui Paiva 001; Regivan H. N. Santiago; Benjamín R. C. Bedregal; Umberto Rivieccio (FUZZ-IEEE, 2018)

(N′, T, N)-Implications. - Jocivania Pinheiro; Benjamín R. C. Bedregal; Regivan H. N. Santiago; Hélida Salles Santos (FUZZ-IEEE, 2018)

Crisp Fuzzy Implications. - Jocivania Pinheiro; Benjamín R. C. Bedregal; Regivan H. N. Santiago; Hélida Salles Santos (NAFIPS, 2018)

(T, N)-Implications and Some Functional Equations. - Jocivania Pinheiro; Benjamín R. C. Bedregal; Regivan H. N. Santiago; Hélida Salles Santos; Graçaliz Pereira Dimuro (NAFIPS, 2018)

The Category of Semi-BCI Algebras. - Jocivania Pinheiro; Rui Paiva 001; Regivan H. N. Santiago (NAFIPS, 2018)

Dynamic Ordered Weighted Averaging Functions for Complete Lattices. - Antonio Diego Silva Farias; Regivan H. N. Santiago; Benjamín R. C. Bedregal (CoRR, 2018)

Investigating the impact of selection criteria in dynamic ensemble selection methods. - Jose Augusto S. Lustosa Filho; Anne M. P. Canuto; Regivan Hugo Nunes Santiago (Expert Syst. Appl., 2018)

On the characterizations of fuzzy implications satisfying I(x, I(y, z))=I(I(x, y), I(x, z)). - Anderson Paiva Cruz; Benjamín R. C. Bedregal; Regivan H. N. Santiago (Int. J. Approx. Reason., 2018)

A study of (T, N)-implications and its use to construct a new class of fuzzy subsethood measure. - Jocivania Pinheiro; Benjamín R. C. Bedregal; Regivan H. N. Santiago; Hélida Salles Santos (Int. J. Approx. Reason., 2018)

Combining multiple algorithms in classifier ensembles using generalized mixture functions. - Valdigleis S. Costa; Antonio Diego Silva Farias; Benjamín R. C. Bedregal; Regivan H. N. Santiago; Anne Magály de Paula Canuto (Neurocomputing, 2018)

Gradual Complex Numbers and Their Application for Performance Evaluation Classifiers. - Emmanuelly L. Souza; Regivan H. N. Santiago; Anne M. P. Canuto; Rômulo de O. Nunes (IEEE Trans. Fuzzy Syst., 2018)

Fuzzy Bi-implications Generated by t-norms and Fuzzy Negations. - Antonio Diego Silva Farias; Claudio Callejas; João Marcos 001; Benjamín R. C. Bedregal; Regivan H. N. Santiago (IFSA/NAFIPS, 2019)

Semi-BCI Algebras. - Regivan H. N. Santiago; Benjamín R. C. Bedregal; João Marcos 001; Carlos Caleiro; Jocivania Pinheiro (J. Multiple Valued Log. Soft Comput., 2019)

On interval dynamic logic: Introducing quasi-action lattices. - Regivan H. N. Santiago; Benjamín R. C. Bedregal; Alexandre Madeira; Manuel A. Martins 001 (Sci. Comput. Program., 2019)

Fuzzy Primeness in Quantales. - Flaulles Boone Bergamaschi; Regivan H. N. Santiago (Decision Making under Constraints, 2020)

Fuzzy Mathematical Morphology and Applications in Image Processing. - Alexsandra Oliveira Andrade; Flaulles Boone Bergamaschi; Roque Mendes Prado Trindade; Regivan Hugo Nunes Santiago (NAFIPS, 2020)

Agnesi Quasi-fuzzy Numbers. - Flaulles Boone Bergamaschi; Natan Jesus; Regivan H. N. Santiago; Alesxandra Oliveira (NAFIPS, 2020)

Reversal Fuzzy Switch Graphs. - Suene Campos; Regivan H. N. Santiago; Manuel A. Martins 001; Daniel Figueiredo 001 (SBMF, 2020)

Residuated implications derived from quasi-overlap functions on lattices. - Rui Paiva 001; Benjamín R. C. Bedregal; Regivan H. N. Santiago (CoRR, 2020)

A Study on Constrained Interval Arithmetic. - Flaulles Boone Bergamaschi; Regivan Hugo Nunes Santiago (NAFIPS, 2021)

Fuzzy sets complement-based Gated Recurrent Unit. - Mikel Ferrero-Jaurrieta; Graçaliz Pereira Dimuro; Zdenko Takác; Regivan H. N. Santiago; Javier Fernández 002; Humberto Bustince (WILF, 2021)

(S, N, T)-Implications. - Fernando Neres; Benjamín R. C. Bedregal; Regivan H. N. Santiago (CoRR, 2021)

On closure properties of L-valued linear languages. - Valdigleis S. Costa; Benjamín R. C. Bedregal; Regivan H. N. Santiago (Fuzzy Sets Syst., 2021)

Inflationary BL-algebras obtained from 2-dimensional general overlap functions. - Rui Paiva 001; Regivan H. N. Santiago; Benjamín R. C. Bedregal; Umberto Rivieccio (Fuzzy Sets Syst., 2021)

Residuated implications derived from quasi-overlap functions on lattices. - Rui Eduardo Brasileiro Paiva; Benjamín R. C. Bedregal; Regivan H. N. Santiago; Thiago V. V. Batista (Int. J. Approx. Reason., 2021)

Lattice-valued overlap and quasi-overlap functions. - Rui Paiva 001; Regivan H. N. Santiago; Benjamín R. C. Bedregal; Eduardo Silva Palmeira (Inf. Sci., 2021)

Introducing fuzzy reactive graphs: a simple application on biology. - Regivan H. N. Santiago; Manuel A. Martins 001; Daniel Figueiredo 001 (Soft Comput., 2021)

Relating Kleene Algebras with Pseudo Uninorms. - Benjamín R. C. Bedregal; Regivan H. N. Santiago; Alexandre Madeira; Manuel A. Martins 001 (DaLí, 2022)

Fuzzy-Valued Distance Between Fuzzy Numbers Based on a Generalized Extension Principle. - Juscelino Araújo; Benjamín R. C. Bedregal; Regivan H. N. Santiago (IPMU (1), 2022)

On a New Contrapositivisation Technique for Fuzzy Implications Constructed from Triangular Conorms. - Fernando Neres; Benjamín R. C. Bedregal; Regivan H. N. Santiago (IPMU (1), 2022)

On a New Contrapositivisation Technique for Fuzzy Implications Constructed from Grouping Functions. - Fernando Neres; Regivan H. N. Santiago; Benjamín R. C. Bedregal (NAFIPS, 2022)

On Monotonicities of Interval Valued Functions. - Ana Shirley Monteiro; Regivan H. N. Santiago; Martin Papco; Radko Mesiar; Humberto Bustince (CoRR, 2022)

On abstract homogeneous interval-valued functions. - Ana Shirley Monteiro; Regivan H. N. Santiago; Radko Mesiar; Marisol Gómez; Martin Papco; Mikel Ferrero-Jaurrieta; Humberto Bustince (CoRR, 2022)

Extension of Quasi-Overlap and Quasi-Grouping Functions Defined on Bounded Lattices Via Retractions. - Ana Shirley Monteiro; Regivan H. N. Santiago; Benjamín R. C. Bedregal; Juscelino Araújo; Eduardo Silva Palmeira (CoRR, 2022)

ℱ-homogeneous functions and a generalization of directional monotonicity. - Regivan H. N. Santiago; Mikel Sesma-Sara; Javier Fernández 002; Zdenko Takác; Radko Mesiar; Humberto Bustince (Int. J. Intell. Syst., 2022)

Replacing pooling functions in Convolutional Neural Networks by linear combinations of increasing functions. - Iosu Rodríguez-Martínez; Julio Lafuente; Regivan H. N. Santiago; Graçaliz Pereira Dimuro; Francisco Herrera; Humberto Bustince (Neural Networks, 2022)

Introduction to reversal fuzzy switch graph. - Suene Campos; Regivan H. N. Santiago; Manuel A. Martins 001; Daniel Figueiredo 001 (Sci. Comput. Program., 2022)

Aggregation of Individual Rankings Through Fusion Functions: Criticism and Optimality Analysis. - Humberto Bustince; Benjamín R. C. Bedregal; María Jesús Campión; Ivanosca A. da Silva; Javier Fernández 002; Esteban Induráin; Armajac Raventós-Pujol; Regivan H. N. Santiago (IEEE Trans. Fuzzy Syst., 2022)

Extension of Restricted Equivalence Functions and Similarity Measures for Type-2 Fuzzy Sets. - Laura De Miguel; Regivan H. N. Santiago; Christian Wagner 002; Jonathan M. Garibaldi; Zdenko Takác; Antonio-Francisco Roldán-López-de-Hierro; Humberto Bustince (IEEE Trans. Fuzzy Syst., 2022)

Abstract Homogeneous Functions and Consistently Influenced/Disturbed Multi-Expert Decision Making. - Regivan H. N. Santiago; Benjamín R. C. Bedregal; Graçaliz Pereira Dimuro; Javier Fernández 002; Humberto Bustince; Habib M. Fardoun (IEEE Trans. Fuzzy Syst., 2022)

On Generalized Mixture Functions. - Antonio Diego Silva Farias; Valdigleis da Silva Costa; Luiz Ranyer A. Lopes; Regivan Hugo Nunes Santiago; Benjamín R. C. Bedregal (TFSS, 2022)

On Fuzzy Implications Derived from General Overlap Functions and Their Relation to Other Classes. - Jocivania Pinheiro; Hélida S. Santos; Graçaliz Pereira Dimuro; Benjamín R. C. Bedregal; Regivan H. N. Santiago; Javier Fernández 002; Humberto Bustince (Axioms, 2023)

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 Typical Hesitant Fuzzy Languages and Automata. - Valdigleis S. Costa; Benjamín R. C. Bedregal; Regivan H. N. Santiago (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2023)

Aggregation-based operations for reversal fuzzy switch graphs. - Suene Campos; Regivan H. N. Santiago; Manuel A. Martins 001; Daniel Figueiredo 001 (Fuzzy Sets Syst., 2023)

Bi-aggregated contrapositivisation: A new contrapositivisation technique for fuzzy implications. - Fernando Neres; Benjamín R. C. Bedregal; Regivan H. N. Santiago (Fuzzy Sets Syst., 2023)

On a new contrapositivisation technique for fuzzy implications constructed from quasi-overlap and quasi-grouping functions. - Fernando Neres; Benjamín R. C. Bedregal; Regivan H. N. Santiago (Int. J. Approx. Reason., 2023)

Developing Constrained Interval Operators for Fuzzy Logic with Interval Values. - Jocivania Pinheiro; Regivan H. N. Santiago; Benjamín R. C. Bedregal; Flaulles Boone Bergamaschi (Axioms, 2023)

On conditional monotonicities of interval-valued functions. - Ana Shirley Monteiro; Regivan H. N. Santiago; Martin Papco; Radko Mesiar; Humberto Bustince (Comput. Appl. Math., 2024)

Admissible OWA operators for fuzzy numbers. - Diego García-Zamora; Anderson Paiva Cruz; Fernando Neres; Regivan H. N. Santiago; Antonio-Francisco Roldán-López-de-Hierro; Rui Paiva 001; Graçaliz Pereira Dimuro; Luis Martínez 001; Benjamín R. C. Bedregal; Humberto Bustince (Fuzzy Sets Syst., 2024)

On retractions and extension of quasi-overlap and quasi-grouping functions defined on bounded lattices. - Ana Shirley Monteiro; Regivan H. N. Santiago; Benjamín R. C. Bedregal; Eduardo Silva Palmeira; Juscelino Araújo (J. Intell. Fuzzy Syst., 2024)

The alpha-ordering for a wide class of fuzzy sets of the real line: the particular case of fuzzy numbers. - Fernando Neres; Regivan H. N. Santiago; Antonio-Francisco Roldán-López-de-Hierro; Anderson Paiva Cruz; Zdenko Takác; Javier Fernández 002; Humberto Bustince (Comput. Appl. Math., 2024)

On the admissibility of the alpha-order for fuzzy numbers. - Diego García-Zamora; Anderson Paiva Cruz; Fernando Neres; Antonio-Francisco Roldán-López-de-Hierro; Regivan H. N. Santiago; Humberto Bustince (Comput. Appl. Math., 2024)

Abstract homogeneity on partially ordered Sets. - Ana Shirley Monteiro; Regivan H. N. Santiago; Martin Papco; Radko Mesiar; Humberto Bustince; Javier Fernández 002; Mikel Ferrero-Jaurrieta; Cédric Marco-Detchart (Comput. Appl. Math., 2025)

Generalized Extension Principle and fuzzy number functions. - Juscelino Araújo; Benjamín R. C. Bedregal; Regivan H. N. Santiago (Comput. Appl. Math., 2025)