On Extensions over Semigroups and Applications

Applying a theorem according to Rhemtulla and Formanek, we partially solve an open problem raised by Hochman with an affirmative answer. Namely, we show that if G is a countable torsion-free locally nilpotent group that acts by homeomorphisms on X, and S ⊂ G is a subsemigroup not containing...

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Bibliographic Details
Main Authors: Wen Huang, Lei Jin, Xiangdong Ye
Format: Article
Language:English
Published: MDPI AG 2016-06-01
Series:Entropy
Subjects:
Online Access:http://www.mdpi.com/1099-4300/18/6/230