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geordief's latest activity
G
geordief
replied to the thread
I
Intrinsic curvature
.
So I take your (and,presumably eveyone else's) word that the tangent planes of a sphere (and presumably of any "uneven sphere" ) can be...
Sunday, 10:05 AM
G
geordief
replied to the thread
I
Intrinsic curvature
.
@A.T. Without recourse to parallel transport?
Sunday, 8:32 AM
G
geordief
posted the thread
I
Intrinsic curvature
in
Special and General Relativity
.
The intrinsic curvature of a 2d sphere is measured (as far as I can tell) by the means of its tangent planes that lie in the 3d...
Sunday, 7:50 AM
G
geordief
replied to the thread
I
Question about Parallel Transport
.
Very pleased if that is the case as I have been trying to understand this concept for the last 10 years. I wonder if I can now try...
Thursday, 3:15 PM
G
geordief
replied to the thread
I
Question about Parallel Transport
.
If the turret of the tank is attached to the body by a mount that uses 100% non friction ball bearings ** and we send the tank around...
Thursday, 12:13 PM
G
geordief
posted the thread
I
Question about Parallel Transport
in
Special and General Relativity
.
In this video I can see a person walking around lines of curvature on a sphere with an arrow strapped to his waist. His task is to...
Thursday, 11:00 AM
G
geordief
replied to the thread
I
Non-orthogonal bases
.
Thanks very much for those answers So a tool it is but non orthogonal axes do occur in real applications.(the crystals seem obvious now...
Sep 18, 2025
G
geordief
posted the thread
I
Non-orthogonal bases
in
General Math
.
Suppose ,instead of the usual x,y coordinate system with an I basis vector along the x -axis and a corresponding j basis vector along...
Sep 18, 2025
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