Google Answers: Stiefel Manifold, Differential Geometric Log Map

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Q: Stiefel Manifold, Differential Geometric Log Map ( No Answer, 0 Comments )

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Subject: Stiefel Manifold, Differential Geometric Log Map
Category: Science > Math
Asked by: nomi75-ga
List Price: $2.00

Posted: 22 Dec 2004 16:00 PST
Expires: 21 Jan 2005 16:00 PST
Question ID: 446205

How to compute log map on stiefel manifold i.e. Given Y(0) and Y(1) as
two nxp orthonormal matrices representing two points on stiefel
manifold and geodesic flow Y(t)=Q*exp(A*t)*I_nxP, with Y(0)=Q*I_nxp,
I_nxp being nxp identity matrix, how to find direction of flow A from
Y(0) to Y(1).

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