Avil\'es, Antonio
Abstract
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We study when a map between two subsets of a Boolean domain W can be extended to an automorphism of W. Under many hypotheses, if the underlying Boolean algebra is complete or if the sets are finite or Boolean domains, the necessary and suficient condition is that it preserves the Boolean distance between every couple of points.
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We study when a map between two subsets of a Boolean domain W can be extended to an automorphism of W. Under many hypotheses, if the underlying Boolean algebra is complete or if the sets are finite or Boolean domains, the necessary and suficient condition is that it preserves the Boolean distance between every couple of points.
Key concepts: Boolean algebras canonically defined, Complete Boolean algebra, Two-element Boolean algebra, Free Boolean algebra, Stone's representation theorem for Boolean algebras, Boolean expression, Parity function, Boolean algebra