Massanet, S.. , "Tidying up the Mess of classes of fuzzy implication functions". "The 10th International Summer School on Aggregation Operators (AGOP 2019)", Olomouc, Czech Republic, 2019. Invited conference.
Sebastia Massanet; Ana Pradera; Daniel Ruiz-Aguilera; Joan Torrens. , "U-Modus Ponens for (U,N)-implications". "Conference of the International Fuzzy Systems Association and the European Society for Fuzzy Logic and Technology (EUSFLAT 2019)", Praga, Czech Republic, 2019. Paper presentation.