"Operator algebras" . "Espaces de Hilbert" . "Morita duality" . . . . . . "2000" . "Hilbert space" . . "Categories of operator modules, (Morita equivalence and projective modules)" . "Categories of operator modules, (Morita equivalence and projective modules)" . . "Alg\u00E8bres d'op\u00E9rateurs" . . "Text" . . .