Includes bibliographical references.

Description of all closed maximal regular ideals in subalgebras of the algebra (X ; A ; \sigma ) ; Galbed GelfandMazur algebras ; On Gelfand representation of topological algebras ; Relations between numerical range and spectrum the set of strongly positive elements ; Some considerations about two properties related to measures of non compactness in Banach spaces ; Regular inductive limits of locally complete spaces ; On some more characterizations of lgebras ; Matrix representations of Ambrose algebras ; Docile locally convex spaces ; On localizing topological algebras ; Topological algebras and alpha pectrum ; On some non convex topological algebras ; Bounded vectors for subnormality via a group of unbounded operators ; On the ^* tructures of an algebra ; Spectral mapping formula for Waelbroeck algebras and their subalgebras ; When a commutative unital lgebra has a dense principal ideal Mart Abel ; Mati Abel ; Jorma Arhippainen ; Thanassis Chryssakis ; Helga Fetter and Berta Gamboa de Buen ; Armando Garcia ; Rodia Hadjigeorgiou ; Marina Haralampidou ; Jerzy Kakol Stephen A Saxon and Aaron R Todd ; Anastasios Mallios ; Angel Martinez Melendez ; Mohamed Oudadess ; Franciszek Hugon Szafraniec ; Yannis Tsertos ; Armando Velazquez Gonzalez and Antoni Wawrzynczyk ; Wieslaw Zelazko