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asv
asv
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In any Hadamard space, projection into convex sets is non-expansive; see CorollaryProposition 2.54(4) in Metric spaces of non-positive curvature by Bridson and Haefliger.

In any Hadamard space, projection into convex sets is non-expansive; see Corollary 2.5 in Metric spaces of non-positive curvature by Bridson and Haefliger.

In any Hadamard space, projection into convex sets is non-expansive; see Proposition 2.4(4) in Metric spaces of non-positive curvature by Bridson and Haefliger.

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Mohammad Ghomi
Mohammad Ghomi
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In any Hadamard space, projection into convex sets is non-expansive; see Corollary 2.5 in Metric spaces of non-positive curvature by Bridson and Haefliger.