Abstract
In this paper, we study the convergence of infinite product of strongly quasi-nonexpansive mappings on geodesic spaces with curvature bounded above by one. Our main applications behind this study are to solve convex feasibility by alternating projections, and to solve minimizers of convex functions and common minimizers of several objective functions. To prove our main results, we introduce a new concept of orbital Δ-demiclosed mappings which covers finite products of strongly quasi-nonexpansive, Δ-demiclosed mappings, and hence is applicable to the convergence of infinite products.
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