Affine functions on CAT(kappa) spaces
classification
🧮 math.MG
keywords
affinefunctionfunctionskappaspacesadmittingcanonicalembedding
read the original abstract
We study CAT(kappa) spaces X admitting affine functions. We show that there exists a canonical isometric embedding X -> Y x H where H is a Hilbert space, such that every affine function f: X -> R factors as f'o p, where p is the projection to H and f' is an affine function on H.
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