Abstract
Let 
be a closed subset of a Banach space and 
an ultimately nonexpansive commutative semigroup of continuous selfmappings. If the 
-closure of 
is nonempty, then the closure of the orbit of any 
-closure point is a commutative topological group.
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Kiang, M. On the orbits of 
-closure points of ultimately nonexpansive mappings.
Fixed Point Theory Appl 2006, 96737 (2006). https://doi.org/10.1155/FPTA/2006/96737
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DOI: https://doi.org/10.1155/FPTA/2006/96737