单词 | pseudo-distance |
释义 | > as lemmaspseudo-distance pseudo-distance n. Brit. /ˌs(j)uːdə(ʊ)ˈdɪst(ə)ns/ , U.S. /ˌsudoʊˈdɪst(ə)ns/ Geometry a quantity in a non-Euclidean space or a space of more than three dimensions, analogous to distance in two- or three-dimensional Euclidean space.ΚΠ 1890 Cent. Dict. Pseudodistance, the distance in non-Euclidean geometry. 1935 Trans. Amer. Math. Soc. 38 139 The properties of pseudo-distance given in Theorem 20. 1992 R. H. Wasserman Tensors & Manifolds xv. 213 A distance function, d, on a set defines a Hausdorff topology. If we drop the property d(p,q > 0 if p ≠ q, then d, called a pseudodistance function, still defines a topology on M. < as lemmas |
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