The existence of almost translation invariant ultrafilters on any semigroup

Papazyan, Talin

doi:10.1090/S0002-9939-1989-0987613-9

The existence of almost translation invariant ultrafilters on any semigroup
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Proc. Amer. Math. Soc. 107 (1989), 1133-1135 Request permission

Abstract:

We present a short ultrafilter proof of a result which has applications in combinatorial number theory and which has previously relied on the theory of compact semigroups.

References

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