Document Type : Research Paper


Department of Mathematics, Wuyi University, Guangdong 529020, P.R.China


In this paper, using pre-semi-open L-sets and their inequality, a new notion of PS-compactness is introduced in L-topological spaces, where L is a complete De Morgan algebra. This notion does not depend on the structure of the basis lattice L and L does not need any distributivity.


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