A introductory lecture on mathematical fuzzy logic given, in french, at the Mathematic Department Institut Camille Jordan of the Univeristy Lyon 1 -France-, $22^{th}$ September 2005. Logique Multi-Valeur: une introduction (French) also in english Multi-valued Logic An overview (English)
A presentation given at the conference Topological and Algebraic Methods in Non-Classical Logic -TANCL- in Barcelona, $15^{th}-18^{th}$ June 2005. LPi Logic with Fixed Point Operator
A poster presented at Computer Science Logic and 8th Kurt Gödel Colloquium, Vienna, Austria $25^{th} – 30^{th}$ August 2003. I introduce a class of commutative $f$-rings with strong unit and with a sort of weak divisibility property, called $f$-quasifields, and…
This is a talk presenting dome results on geometrical dualities for MV-algebras. The article is dedicated to the memory of Leo Esakia. The talk was delivered at the Studia Logica conference Ordered Groups and Lattices in Algebraic Logic, Tbilisi, Georgia. $22^{d}$ September,…
This is the most updated version of a talk presenting the result contained here. The talk was given in plenary session at Topology, Algebra, and Category in Logic -TACL- V, Marseille, 28$^{th}$ July. 2011 The unification type of Łukasiewicz logic…