Kanafani-Zahar Aïda, Liban : le vivre ensemble. Hsoun 1994-2000, Paris, Geuthner, 2004, 204 p (préface de Jean-Paul Willaime).

Jean-Paul Delahaye 2000

How can we know if a proof is correct? People often imagine that it suffices for a mathematician to make the effort to read it carefully, line by line, after having taken note of the definitions and known results that might be of use. If certain questions are unresolved, as to be sure some are, we would known precisely which ones, and the work of the researcher would consist uniquely of resolvi...

“Change of editorship” Paul A.J.M. Boon, Albert P. Aldenkamp [Seizure 13 (4) (2004) 203–204]

ଝ The Editors would like to draw your attention to the fact that Paul A.J.M. Boon's affiliations were listed incorrectly in the above editorial. The publisher apologises for this error and reproduces the corrected affiliations below:

Le Centre de Reanimation respiratoire de l'Hopital Claude-Bernard, Paris.

Faire vivre un référentiel métier dans l'industrie : le système de gestion de connaissances ICARE

Résumé. La gestion des connaissances, enjeu majeur pour l’industrie, est entrée dans une phase concrète de déploiement. La conjonction d’une maturité des organisations dans la maîtrise de leur métier, la consolidation de méthodes et les outils évolutifs pour faire vivre un patrimoine de connaissances favorisent l’émergence de projets significatifs et leur diffusion opérationnelle au sein de gra...

Jean - Paul Fermand and Jean - Claude Brouet

In the majority o f chronic lymphocytic leukemias (CLL), proliferative B lymphocytes are thought to be frozen in vivo at a given maturat ion stage (1). Recently, several studies have emphasized that CLL cells could be driven to different iate into plasma cells in vitro (with or without proliferation) upon t r iggering by mitogens (2, 3, 4) or T cel l -der ived factors (5, 6). Th u s far, howeve...