%0 Journal Article %T The Kuratowski-Mr車wka characterization and weak forms of compactness %A NEIRA %A CLARA M. %J Revista Colombiana de Matem芍ticas %D 2009 %I Universidad Nacional de Colombia and Sociedad Colombiana de Matem芍ticas %X for cardinals 百>\aleph0, characterizations of the kuratowski-mr車wka type of initial 百-compactness and final 百-compactness are given. moreover, a categorical characterization of 百-compactness is given in terms of a closure operator depending on an ultrafilter over 百. %K kuratowski-mr車wka characterization of compact spaces %K closure operator %K weak form of compactness. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0034-74262009000100002&lng=en&nrm=iso&tlng=en