J-SPACES AND C-NORMAL SPACES: AN ALGEBRAIC PERSPECTIVE

Ali Taherifar

Abstract


In this article, algebraic characterisations of J-spaces and C-normal spaces are exhibited. The concept of a Z-connected ideal in C(X) is presented and characterised by means of certain connected subsets of X. We define a class of JC-spaces and characterise its members via Z-connected ideals. Two more classes of ideals in C(X), namely the coz-free and F-free ideals, are instituted. These types of ideals are used to establish conditions under which a given space would be a strong J-space. We introduce a notion of a J-lattice and show that the lattice, CL(X), of closed subsets of X is a J-lattice if and only if X is a J-space.

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