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Results tagged with non-positive-curvature
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user 42307
5
votes
0
answers
144
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Fourier analysis for the discrete cube in CAT(0) spaces?
Is there a meaningful Fourier analysis of mappings from the discrete cube into CAT(0) spaces?
Examples for what I have in mind:
Fix a CAT(0) space $X$, a mapping $f:\{-1,1\}^n \to X$, and $\emptyse …
- 401
2
votes
0
answers
46
views
Reference request: stability of the barycenter under the logarithm map in Hadamard spaces
Let $X$ be an Hadamard space.
For $p\in X$ let $\log_p:X\to T_pX$ be the logarithm map that maps points in $X$ to the corresponding points in the tangent space $T_pX$.
Let $μ$ be a Borel probability d …
- 401