Signes avant-coureurs

Avant Propos

Avant-propos.

Kantorovitch's theorem gives su cient conditions for the convergence of Newton's method. We presenta full formalization of this theorem in the case of a real function. The work is accomplished inside the Coqproof assistant and it is based on the Reals library provided by the theorem prover. For the general case ofthe theorem we rst describe a way to represent concepts from multivari...

Description lexicale des signes

RÉSUMÉ. Cet article a pour objet la représentation formelle des lexiques des langues des signes. Les représentations existantes, basées sur la description systématique de paramètres, nous semblent trop rigides. Nous proposons un modèle flexible basé sur une approche géométrique et séquentielle. Nous discutons ensuite de sa représentation sous forme de graphes, permettant une mise en évidence cl...

Science Avant-Garde

o think that the neoimpressionists are painters who cover canvases with little multicolored spots is a rather widespread mistake, " wrote Paul Signac in his manifesto of their movement. " This mediocre dot method has nothing to do with the aesthetic of the painters we are defending here, nor with the technique of divisionism they use. " Signac was referring to, among others, Georges Seurat, who...

Langue des signes et schémas

One goal of TAL is about translation assistance. Researches on interpretation French/Sign language show that a direct interpretation words → signs gives often maladjusted results. A stage of deverbalisation allows to avoid the reefs of signed French. This stage can use drawn presentations: schemata, diagrams, exploited in all variety of their forms. For an automatic translation, to add this sta...