Joan Torrens

Orcid: 0000-0002-5066-2913

According to our database1, Joan Torrens authored at least 156 papers between 1992 and 2020.

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Bibliography

2020
A new approach to Zadeh's <i>Z</i>-numbers: Mixed-discrete Z-numbers.
Inf. Fusion, 2020

On the Use of Conjunctors With a Neutral Element in the Modus Ponens Inequality.
Int. J. Comput. Intell. Syst., 2020

Modus tollens with respect to uninorms: <i>U</i>-Modus Tollens.
Int. J. Approx. Reason., 2020

2019
Polynomial constructions of fuzzy implication functions: The quadratic case.
Inf. Sci., 2019

Corrigendum to "Fuzzy implication functions based on powers of continuous t-norms" [Int. J. Approx. Reason. 83 (2017) 265-279].
Int. J. Approx. Reason., 2019

The modularity condition for uninorms revisited.
Fuzzy Sets Syst., 2019

The non-contradiction principle related to natural negations of fuzzy implication functions.
Fuzzy Sets Syst., 2019

Some characterizations of <i>T</i>-power based implications.
Fuzzy Sets Syst., 2019

Equivalence and characterization of probabilistic and survival implications.
Fuzzy Sets Syst., 2019

Uninorm based residual implications satisfying the Modus Ponens property with respect to a uninorm.
Fuzzy Sets Syst., 2019

Revisiting a Functional Inequality on Fuzzy Implication Functions Related to the Inclusion of Fuzzy Sets.
Proceedings of the Artificial Intelligence Research and Development, 2019

Some Remarks About Polynomial Aggregation Functions.
Proceedings of the New Trends in Aggregation Theory, 2019

2018
Characterization of a Class of Fuzzy Implication Functions Satisfying the Law of Importation With Respect to a Fixed Uninorm - Part II.
IEEE Trans. Fuzzy Syst., 2018

Characterization of a Class of Fuzzy Implication Functions Satisfying the Law of Importation With Respect to a Fixed Uninorm - Part I.
IEEE Trans. Fuzzy Syst., 2018

How to modify a fuzzy implication function to satisfy a desired property.
Int. J. Approx. Reason., 2018

The distributivity equation for uninorms revisited.
Fuzzy Sets Syst., 2018

On Linear and Quadratic Constructions of Fuzzy Implication Functions.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems. Theory and Foundations, 2018

Generalized Modus Ponens for (U, N)-implications.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems. Theory and Foundations, 2018

On the T-power Inverse Invariance Property on Fuzzy Implication Functions.
Proceedings of the 2018 IEEE International Conference on Fuzzy Systems, 2018

2017
Characterization of Fuzzy Implication Functions With a Continuous Natural Negation Satisfying the Law of Importation With a Fixed t-Norm.
IEEE Trans. Fuzzy Syst., 2017

Fuzzy implication functions based on powers of continuous t-norms.
Int. J. Approx. Reason., 2017

The migrativity equation for uninorms revisited.
Fuzzy Sets Syst., 2017

From three to one: Equivalence and characterization of material implications derived from co-copulas, probabilistic S-implications and survival S-implications.
Fuzzy Sets Syst., 2017

On fuzzy implication functions defined using powers of continuous t-norms.
Proceedings of the Joint 17th World Congress of International Fuzzy Systems Association and 9th International Conference on Soft Computing and Intelligent Systems, 2017

Aggregation functions given by polynomial functions.
Proceedings of the 2017 IEEE International Conference on Fuzzy Systems, 2017

On some new relations between copulas and fuzzy implication functions.
Proceedings of the 2017 IEEE International Conference on Fuzzy Systems, 2017

On the Aggregation of Zadeh's Z-Numbers Based on Discrete Fuzzy Numbers.
Proceedings of the Aggregation Functions in Theory and in Practice, 2017

On Some Classes of RU-Implications Satisfying U-Modus Ponens.
Proceedings of the Aggregation Functions in Theory and in Practice, 2017

Using Uninorms and Nullnorms to Modify Fuzzy Implication Functions.
Proceedings of the Aggregation Functions in Theory and in Practice, 2017

2016
On two construction methods of copulas from fuzzy implication functions.
Prog. Artif. Intell., 2016

A model based on subjective linguistic preference relations for group decision making problems.
Inf. Sci., 2016

RU and (U, N)-implications satisfying Modus Ponens.
Int. J. Approx. Reason., 2016

On the distributivity property for uninorms.
Fuzzy Sets Syst., 2016

A characterization of a class of uninorms with continuous underlying operators.
Fuzzy Sets Syst., 2016

A New Vision of Zadeh's Z-numbers.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems, 2016

A New Look on the Ordinal Sum of Fuzzy Implication Functions.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems, 2016

On a Generalization of the Modus Ponens: U-conditionality.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems, 2016

A New Look on Fuzzy Implication Functions: FNI-implications.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems, 2016

Modus Tollens on Fuzzy Implication Functions Derived from Uninorms.
Proceedings of the Fuzzy Logic and Information Fusion, 2016

2015
Fuzzy Implications: Past, Present, and Future.
Proceedings of the Springer Handbook of Computational Intelligence, 2015

A survey on the existing classes of uninorms.
J. Intell. Fuzzy Syst., 2015

New types of contrapositivisation of fuzzy implications with respect to fuzzy negations.
Inf. Sci., 2015

A characterization of discrete uninorms having smooth underlying operators.
Fuzzy Sets Syst., 2015

Using discrete fuzzy numbers in the aggregation of incomplete qualitative information.
Fuzzy Sets Syst., 2015

Migrative uninorms and nullnorms over t-norms and t-conorms.
Fuzzy Sets Syst., 2015

An overview of fuzzy logic connectives on the unit interval.
Fuzzy Sets Syst., 2015

Some interesting properties of the fuzzy linguistic model based on discrete fuzzy numbers to manage hesitant fuzzy linguistic information.
Appl. Soft Comput., 2015

A consensus model for group decision-making problems with subjective linguistic preference relations.
Proceedings of the 2015 IEEE International Conference on Fuzzy Systems, 2015

Residual implications derived from uninorms satisfying Modus Ponens.
Proceedings of the 2015 Conference of the International Fuzzy Systems Association and the European Society for Fuzzy Logic and Technology (IFSA-EUSFLAT-15), 2015

N-contrapositivisation of fuzzy implication functions.
Proceedings of the 2015 Conference of the International Fuzzy Systems Association and the European Society for Fuzzy Logic and Technology (IFSA-EUSFLAT-15), 2015

Residual Implications from Discrete Uninorms. A Characterization.
Proceedings of the Enric Trillas: A Passion for Fuzzy Sets, 2015

Subjective Linguistic Preference Relations and Their Application in Group Decision Making.
Proceedings of the 8th International Summer School on Aggregation Operators (AGOP 2015), 2015

Implications Satisfying the Law of Importation with a Given Uninorm Revisited.
Proceedings of the 8th International Summer School on Aggregation Operators (AGOP 2015), 2015

Defining Copulas from Fuzzy Implication Functions.
Proceedings of the 8th International Summer School on Aggregation Operators (AGOP 2015), 2015

2014
A new linguistic computational model based on discrete fuzzy numbers for computing with words.
Inf. Sci., 2014

Aggregation functions on the set of discrete fuzzy numbers defined from a pair of discrete aggregations.
Fuzzy Sets Syst., 2014

Kernel aggregation functions on finite scales. Constructions from their marginals.
Fuzzy Sets Syst., 2014

Some Remarks on the Fuzzy Linguistic Model Based on Discrete Fuzzy Numbers.
Proceedings of the Intelligent Systems'2014, 2014

Implications Satisfying the Law of Importation with a Given Uninorm.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems, 2014

2013
Residual implications on the set of discrete fuzzy numbers.
Inf. Sci., 2013

An extension of the migrative property for uninorms.
Inf. Sci., 2013

On fuzzy implications: An axiomatic approach.
Int. J. Approx. Reason., 2013

On the vertical threshold generation method of fuzzy implication and its properties.
Fuzzy Sets Syst., 2013

A construction method of semicopulas from fuzzy negations.
Fuzzy Sets Syst., 2013

Discrete uninorms with smooth underlying operators.
Proceedings of the 8th conference of the European Society for Fuzzy Logic and Technology, 2013

Coimplications in the set of discrete fuzzy numbers.
Proceedings of the 8th conference of the European Society for Fuzzy Logic and Technology, 2013

An extension of Yager's implications.
Proceedings of the 8th conference of the European Society for Fuzzy Logic and Technology, 2013

Constructing non-functionally expressible fuzzy implications.
Proceedings of the 8th conference of the European Society for Fuzzy Logic and Technology, 2013

Constructing implication functions from fuzzy negations.
Proceedings of the 8th conference of the European Society for Fuzzy Logic and Technology, 2013

Aggregation of Incomplete Qualitative Information.
Proceedings of the Aggregation Functions in Theory and in Practise, 2013

Implications Satisfying the Law of Importation with a Given T-norm.
Proceedings of the Aggregation Functions in Theory and in Practise, 2013

Migrativity of Uninorms over T-norms and T-conorms.
Proceedings of the Aggregation Functions in Theory and in Practise, 2013

2012
On the characterization of Yager's implications.
Inf. Sci., 2012

Intersection of Yager's implications with QL and D-implications.
Int. J. Approx. Reason., 2012

Aggregation of subjective evaluations based on discrete fuzzy numbers.
Fuzzy Sets Syst., 2012

Threshold generation method of construction of a new implication from two given ones.
Fuzzy Sets Syst., 2012

On some properties of threshold generated implications.
Fuzzy Sets Syst., 2012

Coimplications on Finite Scales.
Proceedings of the Advances on Computational Intelligence, 2012

On a Generalization of Yager's Implications.
Proceedings of the Advances on Computational Intelligence, 2012

On Migrative t-Conorms and Uninorms.
Proceedings of the Advances in Computational Intelligence, 2012

2011
On a new class of fuzzy implications: h-Implications and generalizations.
Inf. Sci., 2011

Aggregation techniques and applications: Selected papers from AGOP'2009 Dedicated to Jaume Casasnovas.
Fuzzy Sets Syst., 2011

The law of importation versus the exchange principle on fuzzy implications.
Fuzzy Sets Syst., 2011

Smooth t-subnorms on finite scales.
Fuzzy Sets Syst., 2011

Solutions of Equation I(x, y) = I(x, I(x, y)) for Implications Derived from Uninorms.
Proceedings of the Fuzzy Logic and Applications - 9th International Workshop, 2011

Implications generated from additive generators of representable uninorms: (h, e)-implications.
Proceedings of the IEEE Symposium on Foundations of Computational Intelligence, 2011

Fuzzy implications defined on the set of discrete fuzzy numbers.
Proceedings of the 7th conference of the European Society for Fuzzy Logic and Technology, 2011

Uninorms and nullnorms on the set of discrete fuzzy numbers.
Proceedings of the 7th conference of the European Society for Fuzzy Logic and Technology, 2011

A new method of generating fuzzy implications from given ones.
Proceedings of the 7th conference of the European Society for Fuzzy Logic and Technology, 2011

A Construction Method of Aggregations Functions on the Set of Discrete Fuzzy Numbers.
Proceedings of the Eurofuse 2011, 2011

On e-Vertical Generated Implications.
Proceedings of the Eurofuse 2011, 2011

Discrete Kernel Aggregation Functions.
Proceedings of the Eurofuse 2011, 2011

Defining Aggregation Functions from Negations.
Proceedings of the Eurofuse 2011, 2011

2010
A characterization of residual implications derived from left-continuous uninorms.
Inf. Sci., 2010

A characterization of (U, N), RU, QL and D-implications derived from uninorms satisfying the law of importation.
Fuzzy Sets Syst., 2010

Continuous R-implications generated from representable aggregation functions.
Fuzzy Sets Syst., 2010

Matrix representation of copulas and quasi-copulas defined on non-square grids of the unit square.
Fuzzy Sets Syst., 2010

Some Remarks on the Characterization of Idempotent Uninorms.
Proceedings of the Computational Intelligence for Knowledge-Based Systems Design, 2010

Some Remarks on the Solutions to the Functional Equation <i>I</i>(<i>x</i>, <i>y</i>) = <i>I</i>(<i>x</i>, <i>I</i>(<i>x</i>, <i>y</i>)) for <i>D</i>-Operations.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems. Theory and Methods, 2010

Smooth Aggregation Functions on Finite Scales.
Proceedings of the Computational Intelligence for Knowledge-Based Systems Design, 2010

Dual Representable Aggregation Functions and Their Derived S-Implications.
Proceedings of the Computational Intelligence for Knowledge-Based Systems Design, 2010

Discrete t-norms in a fuzzy mathematical morphology: Algebraic properties and experimental results.
Proceedings of the FUZZ-IEEE 2010, 2010

2009
The law of importation for discrete implications.
Inf. Sci., 2009

Idempotent uninorms on Finite Ordinal Scales.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2009

Conjecturing from consequences.
Int. J. Gen. Syst., 2009

S- and R-implications from uninorms continuous in ]0, 1[<sup>2</sup> and their distributivity over uninorms.
Fuzzy Sets Syst., 2009

Noisy Image Edge Detection Using an Uninorm Fuzzy Morphological Gradient.
Proceedings of the Ninth International Conference on Intelligent Systems Design and Applications, 2009

Fuzzy Implications and the Weak Law of Importation.
Proceedings of the Joint 2009 International Fuzzy Systems Association World Congress and 2009 European Society of Fuzzy Logic and Technology Conference, 2009

Image Analysis Applications of Morphological Operators based on Uninorms.
Proceedings of the Joint 2009 International Fuzzy Systems Association World Congress and 2009 European Society of Fuzzy Logic and Technology Conference, 2009

A Characterization of Residual Implications Derived from Uninorms.
Proceedings of the Joint 2009 International Fuzzy Systems Association World Congress and 2009 European Society of Fuzzy Logic and Technology Conference, 2009

2008
On quasi-homogeneous copulas.
Kybernetika, 2008

On the representation of fuzzy rules.
Int. J. Approx. Reason., 2008

Modus ponens and modus tollens in discrete implications.
Int. J. Approx. Reason., 2008

Matrix representation of discrete quasi-copulas.
Fuzzy Sets Syst., 2008

Representation of discrete quasi-copulas through non-square matrices.
Proceedings of the Artificial Intelligence Research and Development, 2008

2007
Sklar's Theorem in Finite Settings.
IEEE Trans. Fuzzy Syst., 2007

A Survey on Fuzzy Implication Functions.
IEEE Trans. Fuzzy Syst., 2007

Distributivity of residual implications over conjunctive and disjunctive uninorms.
Fuzzy Sets Syst., 2007

Two types of implications derived from uninorms.
Fuzzy Sets Syst., 2007

MP and MT-implications on a Finite Scale.
Proceedings of the New Dimensions in Fuzzy Logic and Related Technologies. Proceedings of the 5th EUSFLAT Conference, 2007

A New Look on Discrete Quasi-copulas.
Proceedings of the New Dimensions in Fuzzy Logic and Related Technologies. Proceedings of the 5th EUSFLAT Conference, 2007

2006
Distributivity and Conditional Distributivity of a Uninorm and a Continuous t-Conorm.
IEEE Trans. Fuzzy Syst., 2006

Distributivity of strong implications over conjunctive and disjunctive uninorms.
Kybernetika, 2006

QL-implications versus D-implications.
Kybernetika, 2006

Relevancy transformation operators: Construction methods.
Int. J. Intell. Syst., 2006

2005
Copula-Like Operations on Finite Settings.
IEEE Trans. Fuzzy Syst., 2005

Aggregation operators with annihilator.
Int. J. Gen. Syst., 2005

On two types of discrete implications.
Int. J. Approx. Reason., 2005

Corrigendum to "The distributivity condition for uninorms and <i>t</i>-operators" [Fuzzy Sets and Systems, 128 (2002) 209-225].
Fuzzy Sets Syst., 2005

Distributive residual implications from uninorms.
Proceedings of the Joint 4th Conference of the European Society for Fuzzy Logic and Technology and the 11th Rencontres Francophones sur la Logique Floue et ses Applications, 2005

Construction of RET operators from aggregation functions.
Proceedings of the Joint 4th Conference of the European Society for Fuzzy Logic and Technology and the 11th Rencontres Francophones sur la Logique Floue et ses Applications, 2005

2004
Residual implications and co-implications from idempotent uninorms.
Kybernetika, 2004

S-implications and R-implications on a finite chain.
Kybernetika, 2004

On left and right uninorms on a finite chain.
Fuzzy Sets Syst., 2004

2003
On bisymmetric operators on a finite chain.
IEEE Trans. Fuzzy Syst., 2003

Distributive Idempotent Uninorms.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2003

Scalar Cardinalities of Finite Fuzzy Sets for t-Norms and t-Conorms.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2003

On locally internal monotonic operations.
Fuzzy Sets Syst., 2003

An axiomatic approach to fuzzy cardinalities of finite fuzzy sets.
Fuzzy Sets Syst., 2003

QL-implications on a finite chain.
Proceedings of the 3rd Conference of the European Society for Fuzzy Logic and Technology, 2003

2002
On the reversibility of uninorms and t-operators.
Fuzzy Sets Syst., 2002

The modularity condition for uninorms and t-operators.
Fuzzy Sets Syst., 2002

The distributivity condition for uninorms and t-operators.
Fuzzy Sets Syst., 2002

2001
On Left and Right Uninorms.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2001

2000
Generation of Weighting Triangles Associated with Aggregation Functions.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2000

Balanced Discrete Fuzzy Measures.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2000

1999
t-Operators.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 1999

t-Operators and uninorms on a finite totally ordered set.
Int. J. Intell. Syst., 1999

Balancing property of fuzzy measures.
Proceedings of the EUSFLAT-ESTYLF Joint Conference, 1999

1997
Algebraic Transformation of Unary Partial Algebras I: Double-Pushout Approach.
Theor. Comput. Sci., 1997

On Some Classes of Idempotent Operators.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 1997

1996
On Distributivity and Modularity in de Morgan Triplets.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 1996

1995
When is a Category of Many-Sorted Partial Algebras Cartesian-Closed?
Int. J. Found. Comput. Sci., 1995

Hypergraph rewriting using conformisms.
Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation, 1995

1993
On a class of operators for expert systems.
Int. J. Intell. Syst., 1993

1992
A Note on Information Systems Associated to Termal Algebras.
Proceedings of the IPMU '92, 1992


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