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  • 1 Université de Liège Inst. de Mathématiques B-4000 Liège Belgique B-4000 Liège Belgique
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Closure algebras have been intensively studied in literature ([2], [3], [11], ...) but, up to now, little interest has been devoted to subalgebras of closure algebras. In this paper, the methods of [16] are adapted to characterize closure algebras with a distributive, or a Boolean, subalgebra lattice.