Intro -- Contents -- Preface -- List of participants -- Description of all closed maximal regular ideals in subalgebras of the algebra C(X -- A -- σ) -- Galbed Gelfand-Mazur 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 Q-algebras -- Matrix representations of Ambrose algebras -- Docile locally convex spaces -- On localizing topological algebras -- Topological algebras and α-spectrum -- On some non convex topological algebras -- Bounded vectors for subnormality via a group of unbounded operators -- On the C* -structures of an algebra -- Spectral mapping formula for Waelbroeck algebras and their subalgebras -- When a commutative unital F-algebra has a dense principal ideal.