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Jordi Recasens Ferres

Publications

Books and Chapters of books

  1. Recasens, J. Sobre la representació i generació de relacions d'indistingibilitat. PhD dissertation. Edicions UPC. 1995.
  2. Jacas, J., Recasens, J. A topological approach to some cluster methods. in B.Bouchon-Meunier, R.R.Yager, L.A.Zadeh Eds. Uncertainty in Knowledge Bases. Lecture Notes in Computer Science 521. Springer Verlag. 1991. (479-487).
  3. Jacas, J., Recasens, J. On some kinds of probabilistic relations. B.Bouchon-Meunier, L.Valverde, R.R.Yager Eds.Intelligent Systems with uncertainty. Elsevier. 1993. (171-178).
  4. Jacas, J., Recasens, J. Fuzzy Betweenness Relations. B.Bouchon-Meunier, R.R.Yager, L.A.Zadeh Eds. Fuzzy Logic and Soft Computing. World Scientific. 1995. (283-290).
  5. Bonet, E., Jacas, J., Recasens, J., Salillas, J. Matemàtiques especials. Edicions de la UOC (Universitat Oberta de Catalunya). 1996.
  6. Boixader, D., Jacas, J., Recasens, J. Fuzzy equivalence relations: advanced material. Dubois, Prade Eds. Fundamentals of Fuzzy Sets. Kluwer 1999. (261-290).
  7. Boixader, D., Recasens, J. Resemblance Relations and Fuzzy Weak Orderings. R. John, R. Birkenhead Eds.Developments in Soft Computing. Advances in Soft Computing. Physica-Verlag. Springer. (2001). 41-47.
  8. Jacas, J., Recasens, J., Salillas, J. Matemáticas especiales. Ediciones de la UOC (Universitat Oberta de Catalunya). 2001.
  9. Hernández, E., Recasens, J. A General Framework for Induction of Decisión Trees under Uncertainty. Lawry, J., Shanahan, J., Ralescu, A. Eds. Modelling with Words. LNAI 2873. Springer (2003). 26-43.
  10. Lawry J, Recasens, J. A random set model for fuzzy labels. Nielsen, T.D., Zhang, N.L. Eds. Symbolic and Quantitative Approaches to Reasoning with Uncertainty. LNAI 2711. Springer (2003). 357-369.
  11. Recasens, J. Theory of Evidence with Imperfect Information. J. Lawry, E. Miranda, A. Bugarín, S. Li, M.A. Gil, P. Grzegorzewski, O. Hryniewicz Eds. Soft Methods for Integrated Uncertainty Modelling. Advances in Soft Computing. Springer Verlag. 2006. (267-274).
  12. Recasens, J. Indistinguishability Operators. Modelling Fuzzy Equalities and Fuzzy Equivalence Relations Series: Studies in Fuzziness and Soft Computing, Vol. 260. 2010. Springer Verlag. ISBN 978-3-642-16221-3.
  13. Recasens, J. A small course on Indistinguishability Operators Internal report.
  14. Boixader, D., Recasens, J. Powers with Respect to t-Norms and t-Conorms and Aggregation Functions. T. Calvo, J. Torrens Eds. Fuzzy Logic and Information Fusion. Studies in Fuzziness and Soft Computing, Vol 339. 2016.Springer Verlag 41-47. 

Papers

  1. Jacas, J., Recasens, J. Fixed points and generators of fuzzy relations. J. Math. Anal. Appl 186 (1994) 21-29.
  2. Jacas, J., Recasens, J. Fuzzy T-transitive relations: eigenvectors and generators. Fuzzy Sets and Systems 72(1995) 147-154.
  3. Jacas, J., Monreal, A., Recasens, J. A model for CAGD using fuzzy logic. International Journal of Approximate Reasoning 16 (1997) 289-308.
  4. Recasens, J. On a geometric combinatorial problem. Discrete Mathematics 184 (1998) 273-279.
  5. Jacas, J., Recasens, J. One dimensional indistinguishability operators. Fuzzy Sets and Systems 109 (2000) 447-451.
  6. Boixader, D., Jacas, J., Recasens, J. Upper and lower approximation of fuzzy sets. Int. J. of General Systems 29(2000) 555-568.
  7. Boixader, D., Jacas, J., Recasens, J. The length and Betweennes Relations of Indistinguishability Operators. Int. J. Uncertainty, Fuzziness and Knowledge-based Systems 7 (1999) 203-212.
  8. Boixader, D., Jacas, J., Recasens, J. Searching for meaning in defuzzification. Int. J. Uncertainty, Fuzziness and Knowledge-based Systems 7 (1999) 475-482.
  9. Boixader, D., Jacas, J., Recasens, J. Transitive closure and betweenness relations. Fuzzy Sets and Systems 120(2001) 415-422.
  10. De Soto, A. R., Recasens, J. Modelling a Linguistic Variable as a Hierarchical Family of Partitions induced by an Indistinguishability Operator. Fuzzy Sets and Systems 121 (2001) 57-67.
  11. Hernández, E., Recasens, J. A reformulation of entropy in the presence of indistinguishability operators. Fuzzy Sets and Systems 128. (2002) 185-196.
  12. Jacas, J., Recasens, J. Maps and Isometries between indistinguishability operators. Soft Computing 6 (2002). 14-20.
  13. Hernández, E., Recasens, J. On Possibilistic and Probabilistic Approximations of Unrestricted Belief Functions Based on the Concept of Fuzzy T-Preorder. Int. J. Uncertainty, Fuzziness and Knowledge-based Systems 10 (2002). 185-200.
  14. Hernández, E., Recasens, J. Generating Indistinguishability Operators from Prototypes. Int J. of Intelligent Systems17 (2002). 1131-1142.
  15. Recasens, J. Lawry, J. Normalizing Possibility Distributions using t-norms. Int. J. Uncertainty, Fuzziness and Knowledge-based Systems 11 (2003). 343-360.
  16. Jacas, J, Recasens, J. Aggregation of T-Transitive Relations. Int J. of Intelligent Systems 18 (2003). 1193-1214.
  17. Demirci, M., Recasens, J. Fuzzy Groups, Fuzzy Functions and Fuzzy Equivalence Relations. Fuzzy Sets and Systems 144 (2004) 441-458.
  18. Jacas, J., Recasens, J. The Group of Isometries of an Indistinguishability Operator. Fuzzy Sets and Systems 146 (2004) 27-41.
  19. Hernández, E., Recasens, J. Indistinguishability Relations in Dempster-Shafer Theory of Evidence. International Journal of Approximate Reasoning 37 (2004) 145-187.
  20. Jacas, J., Recasens, J. Aggregation Operators based on Indistinguishability Operators. Int. J. of Intelligent Systems 21 (2006) 857-873.
  21. Jacas, J., Recasens, J. ET-Lipschitzian and ET-Kernel Aggregation Operators. International Journal of Approximate Reasoning 46 (2007) 511-524.
  22. Garmendia, L., Recasens, J. Approximation of Proximities by Aggregating T-indistinguishability Operators. Mathware & Soft Computing 14 (2007) 171-181.
  23. Recasens, J. A Geometrical Approach to Aggregation. Acta Universitatis Matthiae Belii 14 (2007) 51-59.
  24. Recasens, J., Boixader, D. A map characterizing the fuzzy points and columns of a T-indistinguishability operator. Int. J. Uncertainty, Fuzziness and Knowledge-based Systems 16 (2008) 129-145.
  25. Recasens, J. The Structure of Decomposable Indistinguishability Operators. Information Sciences. 178 (2008) 4094-4104.
  26. Recasens, J. Aggregation Operators and Lipschitzian Conditions. Mathware & Soft Computing. 15 (2008) 143-157.
  27. Recasens, J. Maximal Fuzzy Maps. Information Sciences. 179 (2009) 130-139.
  28. Garmendia, L., Recasens, J. How to make T-transitive a Proximity Relation. IEEE Transactions on Fuzzy Systems.17 (2009) 200-207.
  29. Garmendia, L., González del Campo, R., López, V., Recasens, J. An Algorithm to Compute the Transitive Closure, a Transitive Approximation and a Transitive Opening of a Fuzzy Proximity. Mathware & Soft Computing 16(2009), 175-191.
  30. Mayor, G., Recasens, J. Finite-Valued Indistinguishability Operators. International Journal of Approximate Reasoning (2011), 1018-1033.
  31. Recasens, J. Permutable Indistinguishability Operators, Perfect Vague Groups and Fuzzy Subgroups. Information Sciences 196 (2012), 129-142.
  32. Boixader, D., Recasens, J. Indistingishability Operators with Respect to Different t-norms. Int. J. Uncertainty, Fuzziness and Knowledge-based Systems. 20 (2012) 167-183.
  33. Boixader, D., Recasens, J. Transitivity of Fuzzy Relations under Discretization. Information Sciences 237 (2013) 261-270.
  34. Mattioli, G., Recasens, J. Structural Analysis of Indistinguishability Operators and Related Concepts. Information Sciences 241 (2013) 85-100.
  35. R. González-del-Campo, R., Garmendia, L., Recasens, J. Transitive Closure of Interval-valued Fuzzy Relations. International Journal of Computational Intelligence Systems 6 (2013) 648-657.
  36. Mattioli, G., Recasens, J. Approximating Arbitrary Fuzzy Subsets by Extensional Ones. IEEE Transactions on Fuzzy Systems 23 (2015) 617-626.
  37. Carmona, N., Elorza, J., Recasens, J. Bragard, J. Permutable Fuzzy Consequence and Interior Operators and their Connection with Fuzzy Relations. Information Sciences 310 (2015) 36-51.
  38. Boixader, D., Recasens, J. Generation and Characterization of Fuzzy T-preorders. Applied Artificial Intelligence Journal 29 (2015) 514-530.
  39. De Soto, A. R., Recasens, J. Some sets of Indistinguishability Operators as Multiresolution Families. Information Sciences 319 (2015) 38-55.
  40. Boixader, D., Recasens, J. Characterization of unidimensional averaged similarities. Journal of Applied Logic 23 (2017) 16-26.
  41. Massenet, S., Recasens, J., Torrens, J. Fuzzy implication functions based on powers of continuous t-norms. International Journal of Approximate Reasoning 83 (2017) 265-279.
  42. Garmendia L., R. González-del-Campo, R., Recasens, J. Partial Orderings for Hesitant Fuzzy Sets. International Journal of Approximate Reasoning 84 (2017) 159-167.
  43. Boixader, D, Recasens, J. Reduction of Attributes in Averaged Similarities. Information Sciences 426 (2018) 117-130.
  44. Boixader, D., Recasens, J. Fuzzy Actions. Fuzzy Sets and Systems 339 (2018) 17-30.
  45. Boixader, D, Recasens, J. Extensionality with respect to Indistinguishabillity Operators. Int. J. Uncertainty, Fuzziness and Knowledge-based Systems. 26 (2018) 217-232.
  46. Recasens, J. Planning holidays with fuzzy c-means. Mathware & Soft Computing Magazine.25(2) (2018) 14.
  47. Armengol, E., Boixader, D., García-Cerdaña, A., Recasens, J. T-generable indistinguishability operators and their use for feature selection and classification. Fuzzy Sets and Systems 360 (2019) 33-48.
  48. Massenet, S., Recasens, J., Torrens, J. Some characterizations of T-power based implications. Fuzzy Sets and Systems 359 (2019) 42-62.
  49. Boixader, D., Recasens, J. On the Relationship between Fuzzy Subgroups and Indistinguishability Operators. Fuzzy Sets and Systems 373 (2019) 149-163.
  50. Bejines, C., Chasco, M.J., Elorza, J., Recasens, J. Preserving fuzzy subgroups and indistinguishability operators. Fuzzy Sets and Systems 373 (2019) 164-179.
  51. Massenet, S., Recasens, J., Torrens, J. Corrigendum to “Fuzzy implication functions based on powers of continuous t-norms” [Int. J. Approx. Reason. 83 (2017) 265-297]. International Journal of Approximate Reasoning 104 (2019) 144-147.
  52. Recasens, J. On a Conjecture Concerning Positive Semi-definiteness. Theoretical Computer Science 791 (2019) 112-115.
  53. Recasens, J., Tomás, M.S. Positive Definite Indistinguishability Operators. Fuzzy Sets and Systems 384 (2020) 23-33.
  54. Fuster-Parra, P., Martín, J., Recasens, J., Valero, O.  T-equivalences: the metric behaviour revisited. Mathematics 2020 8 495 (2020).
  55. Calvo, T., Recasens, J. On the Representation of Local Indistinguishability Operators. Fuzzy Sets and Systems 410 (2021) 90-108.
  56. Recasens, J. On the Relationship between Positive Definite Matrices and t-norms. Fuzzy Sets and Systems 446 (2022) 26-37.
  57. Boixader, D., Recasens, J. Vague and Fuzzy t-norms and t-conorms.  Fuzzy Sets and Systems 433 (2022) 156-175.
  58. Boixader, D., Recasens, J. On the Degree of Transitivity of a Fuzzy Relation. Fuzzy Sets and Systems 440 (2022) 1-20.
  59. Elorza, J., Recasens, J. Consequence Operators, Interior Operators and Fuzzy Relations. Fuzzy Sets and Systems 450 (2022) 133-144.
  60. Recasens, J. Fifty Years of Similarity Relations: A Survey of Foundations and Applications. (2022 Best paper award) International Journal of General Systems 51(2022) 126-184.
  61. Recasens, J. MEMORIAL. Joan Jacas Moral (Barcelona, 27.8.1944 - Sant Just Desvern, 28.2.2022). Mathware & Soft Computing 28(1) (2023) 14-18.
  62. Boixader, D., Recasens, J. Localization Relations. Fuzzy Sets and Systems (2024).
  63. Calvo, T, Fuster-Parra, P, Recasens, J. Fg,p-generalized distances and multidistances and their aggregation. Submitted. 2024.

Proceedings

  1. Jacas, J., Recasens, J. A topological approach to some cluster methods. Proceedings 3rd Conference IPMU. Paris. (1990). 298-300.
  2. Jacas, J., Recasens, J. Morphisms of cluster methods. Proceedings 4th Conference IFSA. Brussels. (1991). 95-98.
  3. Jacas, J., Recasens, J. Eigenvectors and generators of fuzzy relations. Proceedings FUZZ'IEEE-92 Conference. San Diego. (1992). 687-694.
  4. Jacas, J., Recasens, J. On some kind of probabilistic relations. Proceedings 4th Conference IPMU. Palma de Mallorca. (1992). 365-368.
  5. Jacas, J., Recasens, J. Indistinguibilidades quasi-unidimensionales. Proceedings 2nd Congreso de Tecnología fuzzy de España. Madrid. (1992). 41-46.
  6. Jacas, J., Recasens, J. Fuzzy numbers and equality relations. Proceedings FUZZ'IEEE-93 Conference. San Francisco. (1993). 1298-1301.
  7. Jacas, J., Recasens, J. Números borrosos y relaciones de igualdad. Proceedings 3rd ESTYLF Conference. Santiago de Compostela. (1993). 169-176.
  8. Jacas, J., Recasens, J. Fuzzy betweenness relations. Proceedings 5th IPMU Conference. Paris. (1994). 199-204.
  9. Jacas, J., Recasens, J. Fuzzy T-transitive relations. Eigenvectors and generators. Proceedings EURO XIII-OR 36. Glasgow. (1994).
  10. Jacas, J., Recasens, J. Relaciones de indistinguibilidad descomponibles. Proceedings del 4th ESTYLF Conference. Blanes. (1994). 169-176.
  11. Jacas, J., Recasens, J. Decomposable indistinguishability operators. Proceedings 6th IFSA Conference. Sao Paulo (1995). 539-541.
  12. Jacas, J., Monreal. A., Recasens, J. Relaciones de igualdad borrosas: aplicación a un sistema "fuzzy" para CAGD. Proceedings 5th ESTYLF Conference. Murcia. (1995). 295-298.
  13. Jacas, J., Recasens, J. Construction of fuzzy transitive relations: an application to fuzzy arithmetic. Proceedings of the 3rd Hispano-Polish Symposium on System Analysis and Computer Science. IIIA. Bellaterra. (1995). 20-20.
  14. Jacas, J., Recasens, J. One dimensional Indistinguishability operators. Proceedings 6th IPMU Conference. Granada (1996). 377-382.
  15. Boixader, D., Jacas, J., Recasens, J. Hacia una semántica de la defuzzificación. Proceedings 6th ESTYLF Conference. Oviedo (1996). 41-46.
  16. Boixader, D., Jacas, J., Recasens, J. Upper and lower approximation of fuzzy sets. Proceedings 7th IFSA Conference. Praga. (1997) 111-116.
  17. Boixader, D., Jacas, J., Recasens, J. Similarity-based approach to defuzzification. Proceedings FUZZ'IEEE-97 Conference. Barcelona (1997) 761-765.
  18. Boixader, D., Jacas, J., Recasens, J. Aproximaciones superior e inferior de conjuntos borrosos. Proceedings 7th ESTYLF Conference. Tarragona (1997) 1-6.
  19. Boixader, D., Jacas, J., Recasens, J. A characterization of the columns of a T-indistinguishability operator. Proceedings FUZZ'IEEE-98 Conference. Anchorage (1998) 808-812.
  20. Boixader, D., Jacas, J., Recasens, J. Transitive closure and betweenness relations. Proceedings 8th IPMU Conference. Paris (1998) 490-494.
  21. Boixader, D., Jacas, J., Recasens, J. Caracterización de las columnas de un operador de indistinguibilidad. Proceedings 8th ESTYLF Conference. Pamplona (1998) 47-51.
  22. Hernández, E., Recasens, J. Un modelo lingüístico para la descripción de conceptos. Proceedings 8th ESTYLF Conference. Pamplona (1998) 103-107.
  23. Boixader, D., Jacas, J., Recasens, J. Clausura transitiva y relaciones de betweenness. Proceedings 8th ESTYLF Conference. Pamplona (1998) 151-155.
  24. Recasens, J., de Soto, A. R. Particiones, Indistinguibilidades y Variables Lingüísticas. Proceedings 8th ESTYLF Conference. Pamplona (1998) 245-250.
  25. Hernández, E., Recasens, J. Un model lingüístic per la descripció de conceptes. Proceedings 1st CCIA Conference. Tarragona (1998) 181-184.
  26. Hernández, E., Recasens, J. Observational entropy: entropy in the context of indistinguishability operators. Proceedings Joint EUSFLAT-ESTYLF Conference. Palma de Mallorca (1999) 203-206.
  27. De Soto, A. R., Recasens, J. Inmersión de W-particiones en un espacio producto. Proceedings Joint EUSFLAT-ESTYLF Conference. Palma de Mallorca (1999) 207-210.
  28. Jacas, J., Recasens, J. On the construction of M-transitive relations. Proceedings Joint EUSFLAT-ESTYLF Conference. Palma de Mallorca (1999) 211-214.
  29. Boixader, D., Jacas, J., Recasens, J., De Soto, A. R. W-particiones y operadores de indistinguibilidad. Proceedings 9th ESTYLF Conference. Sevilla (2000) 73-77.
  30. Hernández, E., Recasens, J. A fuzzy sequential covering algorithm for the generation of rules. Proceedings 9th ESTYLF Conference. Sevilla (2000) 319-322.
  31. Boixader, D., Jacas, J., Recasens, J. A new map closely related to the structure of a T-indistinguishability operator. Proceedings 9th IPMU Conference. Madrid. (2000) 841-848.
  32. Hernández, E., Recasens, J. Entropy and Indistinguishability: observational entropy. Proceedings 9th IPMU Conference. Madrid. (2000) 870-875.
  33. Boixader, D., Recasens, J. Resemblance Relations and Fuzzy Weak Orderings. Proceedings RASC2000 Conference. (2000). Leicester.
  34. Jacas, J., Recasens, J. Maps between indistinguishability operators. Proceedings Joint IFSA/NAFIPS Conference. Vancouver. (2001). 1171-1175.
  35. Jacas, J., Recasens, J. The Group of Isometries of an Indistinguishability Operator. Proceedings EUSFLAT 2001 Conference. Leicester. (2001). 356-359.
  36. Hernández, E., Recasens, J. Growing Decision Trees in the Presence of Indistinguishability: Observational Decision Trees. Proceedings EUSFLAT 2001 Conference. Leicester. (2001). 75-78.
  37. Jacas, J. Recasens, J. Fuzzified properties of fuzzy relations. Proceedings 10th IPMU Conference. Annecy. (2002). 157-161.
  38. Lawry, J., Recasens, J. Normalización de distribuciones posibilísticas mediante t-normas. Proceedings 10th ESTYLF Conference. León. (2002). 241-246.
  39. Jacas, J., Recasens, J. Graduación de Propiedades en Relaciones Borrosas. Proceedings 10th ESTYLF Conference. León. (2002). 327-331.
  40. Hernández, E., Recasens, J. Relaciones de Indistinguibilidad en el marco de la Teoría de la Evidencia. Proceedings 10th ESTYLF Conference. León. (2002). 367-372.
  41. Jacas, J., Recasens, J. Aggregation of T-transitive Relations using OWA Operators. Proceedings IFSA 2003 Conference. Istanbul. (2003). 85-88.
  42. Jacas, J., Recasens, J. Aggregating non-finite families of t-transitive relations Proceedings EUSFLAT 2003 Conference. Zittau. (2003). 429-432.
  43. Lawry, J., Recasens, J. A Random set Model for Fuzzy Labels. Proceedings ECSQARU2003 Conference. Aalborg. (2003). 357-369.
  44. Jacas, J., Recasens, J. Indistinguishability Operators Generated by Prototypes. Proceedings IPMU2004. Perugia. (2004). 635-640.
  45. Jacas, J., Recasens, J. Indistinguishability Operators Generated by Fuzzy Numbers. Proceedings FUZZ'IEEE2004. Budapest. (2004). 1567-1571.
  46. Jacas, J., Recasens, J. Preórdenes Duales, Operadores de Clausura y Contextos Borrosos. Proceedings ESTYLF2004. Jaén. (2004). 125-128.
  47. Jacas, J., Recasens, J. A Similarity-based Approach to Aggregation. Proceedings FUZZ'IEEE2005. Reno. (2005). 658-662.
  48. Hernández, E., Recasens, J. Indistinguishability in Cooperative Games. Proceedings EUSFLAT2005. Barcelona. (2005). 739-744.
  49. Jacas, J., Recasens, J. Aggregating with Indistinguishability Operators. Proceedings EUSFLAT2005. Barcelona. (2005). 303-308.
  50. Recasens, J. Study of the Systems with Uncertainty in Presence of a Fuzzy Similarity. V Jornada de Seguimiento de Proyectos en Tecnologías Informáticas. I Congreso Español de Informática. Granada. (2005). 112-115.
  51. Jacas, J., Recasens, J. Linguistic Modifiers, Fuzzy Maps and the Lipschitzian Condition. Proceedings IPMU2006. Paris. (2006). 2415-2421.
  52. Hernández, E., Recasens, J. Modelling T-indistinguishability in Game Theory. Prooceedings IPMU2006. Paris. (2006). 1652-1659.
  53. Jacas, J., Recasens, J. A Calculation of Fuzzy Points. FUZZ'IEEE2006. Vancouver. (2006).
  54. Recasens, J. Theory of Evidence with Imperfect Information. SMPS2006. Bristol. (2006). In J. Lawry, E. Miranda, A. Bugarín, S. Li, M.A. Gil, P. Grzegorzewski, O. Hryniewicz Eds. Soft Methods for Integrated Uncertainty Modelling. Advances in Soft Computing. Springer. 267-274.
  55. Jacas, J., Recasens, J. Aplicaciones borrosas maximales y extensionalidad. Proceedings ESTYLF2006. Ciudad Real. (2006). 129-134.
  56. Jacas, J., Recasens, J. Aggregation Operators and the Lipschitzian Condition. Proceedings FUZZ'IEEE2007. London. (2007). 1060-1065.
  57. Garmendia, L., J., Recasens, J. Finding close T-indistinguishability Operators to a given Proximity. Proceedings EUSFLAT2007. Ostrava. (2007) Vol 2, 351-357.
  58. Jacas, J., Recasens, J. ET-Lipschitzian Aggregation Operators. Proceedings EUSFLAT2007. Ostrava. (2007). Vol 1, 127-133.
  59. Garmendia, L., Recasens, J. Approximating Proximities by Similarities. IPMU2008. Málaga. (2008). 1332-1335.
  60. Garmendia, L., González, R., Recasens, J. An Algorithm to Compute the Transitive Closure, a Transitive Approximation and a Transitive Opening of a Proximity. FLINS2008. Madrid. (2008).
  61. Garmendia, L., J., Recasens, J. Estructura de las Similaridades. ESTYLF2008. Langreo-Mieres. (2008). 211-215.
  62. Garmendia, L., J., Recasens, J. Aproximación de Proximidades por Similitudes. ESTYLF2008. Langreo-Mieres. (2008). 217-220.
  63. Casabó, J., Jacas, J., Recasens, J. La Hoja de Cálculo: Un Entorno para la Enseñanza y Estudio de Relaciones Borrosas. ESTYLF2008. Langreo-Mieres. (2008). 401-404.
  64. Recasens, J. Aggregation Operators and Ruled Surfaces. CCIA2008. Sant Martí d'Empúries, Girona. (2008).
  65. Jacas, J., Monreal, A., Recasens, J. Similarity Based Fuzzy Interpolation Applied to CAGD IFSA-EUSFLAT 2009. Lisboa (2009). 1696-1701.
  66. González del Campo, R., Garmendia, L., Recasens, J. Transitive Closure of Interval-valued Relations IFSA-EUSFLAT 2009. Lisboa (2009). 837-842.
  67. Garmendia, L., González, R., Recasens, J. An algorithm to compute the transitive closure, a transitive approximation and a transitive opening of a proximity FLINS 2008 Madrid (2009).
  68. Boixader, D., Recasens, J. Approximate Fuzzy Preorders and Equivalences FUZZ'IEEE 2009 Jeju island. Korea (2009).
  69. Boixader, D., Recasens, J. Reflexividad y T-Transitividad Aproximadas ESTYLF2010. Punta Umbría. Huelva. (2010). 127-132.
  70. Monreal, A., Recasens, J., Jacas, J. Sistema Fuzzy aplicado al CAGD basado en Relaciones de SimilitudESTYLF2010. Punta Umbría. Huelva. (2010). 67-72.
  71. Mayor, G, Recasens, J. Finitely valued indsitinguishability operators IPMU2010. Dortmund. (2010). LNAI 6178. 39-48.
  72. Boixader, D., Recasens, J. Approximating fuzzy preorders and equivalences. A similarity based approach WCCI-FUZZ'IEEE2010. Barcelona. (2010).
  73. Boixader, D., Recasens, J. Introducing Strong T-transitivity in Approximate Fuzzy Preorders and EquivalencesNAFIPS2010. Vancouver. (2010).
  74. Boixader, D., Recasens, J. Transitive Openings EUSFLAT 2011 Aix-les-Bains. (2011). 493-497.
  75. Boixader, D., Recasens, J. Discretization of fuzzy transitive relations FUZZ'IEEE 2011 Taiwan. (2011).
  76. Mattioli, G., Recasens, J. Dualities and Isomorphisms between Indistinguishabilities and Related ConceptsFUZZ'IEEE 2011 Taiwan. (2011).
  77. Mattioli, G., Recasens, J. Isomorfismos entre indistinguibilidades, conjuntos de extensionales y aproximaciones superiores e inferiores ESTYLF2012. Valladolid (2012). 65-70.
  78. Garmendia, L., Recasens, J., Salvador, A. A recursive algorithm to compute a basis of a similarity ESTYLF2012. Valladolid (2012). 71-76.
  79. Boixader, D., Recasens, J. Un método para calcular openings transitivos ESTYLF2012. Valladolid (2012). 43-47.
  80. R. De Soto, A., Recasens, J. Several methods to build Multiresolution Indistinguishability Systems IEEE-GrC. Hangzhou (2012).
  81. R. Boixader, D., Recasens, J. A Decomposition Theorem for T-indistinguishability Operators. The Continuous Strict Archimedean Case FUZZ'IEEE 2012. Brisbane (2012).
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  86. Mattioli, G., Recasens, J. Comparison of Different Algorithms of Approximation by Extensional Fuzzy SubsetsAGOP2013. Pamplona (2013).
  87. Recasens, J. Aggregation Operators and Quadric Hypersurfaces AGOP2013. Pamplona (2013).
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  98. Massanet, S., Recasens, J., Torrens, J. Funciones de implicación borrosas basadas en potencias CAEPIA (LODISCO) 2016 Salamanca (2016) 511-520.
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