panache
发表于 2025-3-21 18:18:14
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Dawdle
发表于 2025-3-21 23:45:39
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枯燥
发表于 2025-3-22 01:15:35
Book 20072nd edition(general) translations and general distances of X, euclidean and hyperbolic geometries are characterized. For these spaces X also the sphere geometries of Möbius and Lie are studied (besides euclidean and hyperbolic geometry), as well as geometries where Lorentz transformations play the key role. Th
monopoly
发表于 2025-3-22 08:30:02
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outset
发表于 2025-3-22 11:53:03
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Cubicle
发表于 2025-3-22 15:16:58
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Cubicle
发表于 2025-3-22 21:07:33
Translation Groups,hers we shall use later on, see the section . of this book. Instead of . (.) we will write . or, occasionally, .. The laws above are then the following: . for all . ∈ ., λ ∈ ℝ, and .:= . > 0 for all . ∈ .{0}. Instead of (.) we mostly will speak of ., hence tacitly assuming that . is equipped with a
我没有强迫
发表于 2025-3-23 00:51:04
-Projective Mappings, Isomorphism Theorems, we do not exclude the case that there exist infinite linearly independent subsets of . or .. One of the important results of this chapter is that the hyperbolic geometries (.(.)), (.(.)) over . = (.), . = (.), respectively, . the group of hyperbolic motions, are isomorphic (see p. 16f) if, and only
无所不知
发表于 2025-3-23 05:05:13
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faculty
发表于 2025-3-23 08:47:04
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