Polynomial Regression on Riemannian Manifolds
Polynomial Regression on Riemannian Manifolds
Polynomial Regression on Riemannian Manifolds
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Have simple formula for cometric g ij (the kernel)<br />
Parallel transport in terms of covectors, cometric:<br />
d<br />
dt β l = 1 2 g ilg in<br />
,j g jm (α m β n − α n β m ) − 1 2 gmn ,l α m β n<br />
Curvature more complicated (Mario’s Formula):<br />
2R ursv = −g ur,sv − g rv,us + g rs,uv + g uv,rs + 2Γ rv<br />
ρ Γ us<br />
σ g ρσ − 2Γ rs<br />
ρ Γ uv<br />
σ g ρσ<br />
+ g rλ,u g λµ g µv,s − g rλ,u g λµ g µs,v + g uλ,r g λµ g µs,v − g uλ,r g λµ g µv,s<br />
+ g rλ,s g λµ g µv,u + g uλ,v g λµ g µs,r − g rλ,v g λµ g µs,u − g uλ,s g λµ g µv,r .<br />
<str<strong>on</strong>g>Polynomial</str<strong>on</strong>g> <str<strong>on</strong>g>Regressi<strong>on</strong></str<strong>on</strong>g> <strong>on</strong> <strong>Riemannian</strong> <strong>Manifolds</strong> 27