Authors: Tootkaboni, M. Akbari1 akbari@shahed.ac.ir
Superior Title: New York Journal of Mathematics. 2013, Vol. 19, p669-688. 20p.
Subject Terms: *TOPOLOGY, *COMPACTIFICATION (Mathematics), *SEMIGROUP algebras, *ULTRAFILTERS (Mathematics), *C*-algebras
Authors: Zelenyuk, Yuliya1 yuliya.zelenyuk@wits.ac.za
Superior Title: New York Journal of Mathematics. 2013, Vol. 19, p439-442. 4p.
Subject Terms: *COMPACTIFICATION (Mathematics), *STONE-Cech compactification, *DISCRETE groups, *ABELIAN groups, *FC-groups