THÈSE Nicolas VASSET

THÈSE Nicolas VASSET THÈSE Nicolas VASSET

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p ∈ M V ∋ p M, gµν ηµν M = R 4 ds 2 = −dt 2 + dr 2 + r 2 (dθ 2 + 2 θdϕ 2 ). M, ηµν ( ˜ M, ηµν) ˜ ˜ηµν = Ω −2 ηµν, Ω R 4 d˜s 2 = −dT 2 + dR 2 + 2 R(dθ 2 + 2 θdϕ 2 ). T R −π < T + R < π, −π < T − R < π, 0 ≤ R. ˜ M

R × S 3 S 3 × R R T θ ϕ M R = 0, T = ±π i − i + i 0 I − I + Ω Ω(i 0 ) = Ω(I − ) = Ω(I + ) = 0 ˜ ∇µΩ = 0 I − I + ˜ ∇µ r = cste t = cste π 4 R 4

p ∈ M <br />

V ∋ p <br />

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M, gµν<br />

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ηµν <br />

M = R 4 <br />

ds 2 = −dt 2 + dr 2 + r 2 (dθ 2 + 2 θdϕ 2 ). <br />

M, ηµν<br />

( ˜ M, ηµν) ˜ <br />

˜ηµν = Ω −2 ηµν, <br />

Ω R 4 <br />

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d˜s 2 = −dT 2 + dR 2 + 2 R(dθ 2 + 2 θdϕ 2 ). <br />

T R <br />

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−π < T + R < π, <br />

−π < T − R < π, <br />

0 ≤ R. <br />

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˜ M

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