Consider Euclidean space in D = 2. Show by direct computation that the Riemann or,

Linear Algebra: A Modern Introduction
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Chapter1: Vectors
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4. Consider Euclidean space in D = 2. Show by direct computation that the Riemann curvature
tensor,
Horvp-roro HP
RA
рuz = ангир - ,Г³
up +r
vanishes in:
a) Cartesian coordinates, such that ds² = dx² + dy².
b) polar coordinates, such that ds² = dr² + r²d0². You can use the fact that the only
non-vanishing Christoffel symbols are
I 00= -r,
since these were computed in a recent example class.
[Hint: Notice that the Riemann tensor has a single independent component in D = 2, due to its
symmetries.]
Tºrº
=
r9
Or
=
Transcribed Image Text:4. Consider Euclidean space in D = 2. Show by direct computation that the Riemann curvature tensor, Horvp-roro HP RA рuz = ангир - ,Г³ up +r vanishes in: a) Cartesian coordinates, such that ds² = dx² + dy². b) polar coordinates, such that ds² = dr² + r²d0². You can use the fact that the only non-vanishing Christoffel symbols are I 00= -r, since these were computed in a recent example class. [Hint: Notice that the Riemann tensor has a single independent component in D = 2, due to its symmetries.] Tºrº = r9 Or =
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