Article,

Finding all closed sets: A general approach

, and .
Order, 8 (3): 283--290 (1991)

Abstract

We present a unifying theoretical and algorithmic approach to the problems to determine all closed sets of a closure operator, to do this up to isomorphism, and to determine the elements of certain ideals of a power set. This will be done by generalizing the concept of closure operators using the interplay of several orders of a power set. AMS subject cla&katioos (1991). 06A15, 68RXX. Key words. Closure operator.

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