Let E be a real reflexive strictly convex Banach space which has uniformly Gâteaux differentiable norm. Let <InlineEquation ID="IEq1"> <EquationSource Format="TEX">$${\mathcal{S}=\{T(s): 0 \leq s \infty\}}$$</EquationSource> </InlineEquation> be a nonexpansive semigroup on E such that <InlineEquation ID="IEq2"> <EquationSource Format="TEX">$${Fix(\mathcal{S}) := \cap_{t\geq 0}Fix( T(t) ) \not= \emptyset}$$</EquationSource> </InlineEquation> , and f is a contraction on...</equationsource></inlineequation></equationsource></inlineequation>