Ahmadi Kakavandi, Bijan; Amini, Massoud Non-linear ergodic theorems in complete non-positive curvature metric spaces. (English) Zbl 1269.47045 Bull. Iran. Math. Soc. 37, No. 3, 11-20 (2011). The paper presents extensions of nonlinear ergodic theorems for continuous non-expansive semigroups from Hilbert spaces to Hadamard spaces. Reviewer: Dumitru Motreanu (Perpignan) Cited in 5 Documents MSC: 47H25 Nonlinear ergodic theorems 53C23 Global geometric and topological methods (à la Gromov); differential geometric analysis on metric spaces 54E35 Metric spaces, metrizability Keywords:Hadamard space; continuous nonexpansive semigroup; invariant mean; asymptotic center; nonlinear ergodic theorem PDFBibTeX XMLCite \textit{B. Ahmadi Kakavandi} and \textit{M. Amini}, Bull. Iran. Math. Soc. 37, No. 3, 11--20 (2011; Zbl 1269.47045)