My Opera is a blog and photo sharing community with millions of members. Join now to follow à œà °Ã'€à ¸à ½à °'s blog and get your own. ... my.opera.com/Sereniya/blog/show.dml/4728691?cid=12076461 - Cached
by TR Hamlett - 1990 - Cited by 1 - Related articles Given a topological space (X,à „) an ideal ℠on X and A⊆X, à ˆ(A) is defined as ⋃{Uâˆˆà „:UâˆÂ'A∈℠}. A topology, denoted Ã... www.doaj.org/doaj?func=abstract&id=291839 - Cached