1984
DOI: 10.14492/hokmj/1381757712
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A note on an isometric imbedding of upper half-space into the anti de Sitter space

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Cited by 3 publications
(6 citation statements)
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“…The computation of the volume V n+1 (P ) is performed in a different model of DH n+1 1 built on the Minkowski space, which is based on a well known model of H n+1 1 (see Matsuda [4]). Some of the new properties of the model are explored in Section 3.…”
Section: Strategy Overviewmentioning
confidence: 99%
See 1 more Smart Citation
“…The computation of the volume V n+1 (P ) is performed in a different model of DH n+1 1 built on the Minkowski space, which is based on a well known model of H n+1 1 (see Matsuda [4]). Some of the new properties of the model are explored in Section 3.…”
Section: Strategy Overviewmentioning
confidence: 99%
“…1 For n ≥ 1, Matsuda [4] used an upper half-space U n+1 to partially represent H n+1 . A similar representation of the de Sitter space was given by Nomizu [7].…”
Section: A New Model For Dh N+1mentioning
confidence: 99%
“…n ) 1/2 /x 1 and an isometric embedding of U n into the anti-de Sitter space (see Matsuda [7] for the corresponding formula f for the isometric embedding), and eventually get the same extension of R n−1,1 that is also conformally equivalent to the extension of the anti-de Sitter space except at a codimension 1 region. This also suggests that the extension of anti-de Sitter is conformally equivalent to the double de Sitter space except at a codimension 1 region (recall Remark 8.1 that the extension of anti-de Sitter space is also topologically S n−1 × S 1 , the same as the double de Sitter space DS n 1 ).…”
Section: An Extension Of R Pqmentioning
confidence: 99%
“…In this paper the term "double cover" is used loosely to only refer to the open part of a space, usually with the boundary points ignored, and also the metrics on the two covers need not agree 7. The sign of ℓ(x) has more to do with the linear space (R n,1 or R n,1 − ) the sheet is embedded in than with the sheet itself, but for now this definition of ℓ(x) is convenient and enough for our purposes.…”
mentioning
confidence: 99%
“…(vi) M = U~ = {(ui, ■ ■ ■ ,un); un > 0} with metric ds2_ = (-du\ + du?, + ■ ■ ■ + du2n)/(cun)2 (c ¿ 0), and G = I°(U~) (see Matsuda [3]). …”
mentioning
confidence: 99%