Abstract

It is shown that any semilattice of bicompact G-extensions can be realized as a semilattice for a pseudocompact phase space with an action of a discrete group. The following examples are given: lattices of bicompact G-extensions which cannot be lattices of bicompact extensions of any Tikhonov space and a pseudocompact G-space with a discrete acting group whose semilattice of bicompact G-extensions has a countable number of minimal elements.

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