This is a preview. Log in through your library . Abstract In this paper we consider a function which continuously maps a closed interval of the real line into itself. It is shown that a particular ...
The following theorem is proved. Let G be a topological abelian group and E a subset of G for which there exist k elements a1,..., ak such that (E+a1) ⋃ ... ⋃ (E+ak) = G. Let further V be a ...
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