单词 | topological |
释义 | topologicaladj. 1. Of or pertaining to topology (esp. in sense 2). ΘΚΠ the world > the earth > earth sciences > geography > [adjective] > physical geography > topology or topography topographicala1586 topographic1632 topological1715 topologic1872 topo1970 1715 M. Davies Εἰκων Μικρο-βιβλικὴ 183 Another noted Historian..publish'd two Topological Pamphlets, containing the Description of Britanny and Ireland. 1716 Athenæ Britannicæ III. Diss. Physick 37 Ancient Chiron..the most direct Predecessor, at least in the topological Line, of the Great Hippocrates. 1836 Foreign Q. Rev. 17 286 Except the following somewhat ingenious topological (not phrenological) explanation of Richter's genius. 1903 Times 4 Apr. 7/2 The Azores..have a topological importance. 2. Mathematics. Of or pertaining to topology; such as is dealt with by topology (sense 3); topological invariant, something invariant under a topological mapping; topological mapping or transformation = homoeomorphism n. 2; topological space [translating German topologisch raum (F. Hausdorff Grundzüge der Mengenlehre (1914) vii. 213); the sense is due to M. Fréchet ( Compt. Rend. (1925) CLXXX. 421)] , an abstract space together with a topology (sense 3c) on it. ΘΚΠ the world > relative properties > number > geometry > [adjective] > branches of stereometrical1656 Apollonian1704 Euclidean1714 isoperimetrical1743 stereotomical1828 stereotomic1860 stereometric1862 graphic1865 parabolic1872 metageometrical1882 pangeometrical1882 Riemannian1889 synthetic1889 polygonometric1890 Lobachevskian1896 topological1913 the world > relative properties > number > geometry > geometric space > [noun] > topological manifoldness1873 manifold1878 submanifold1898 function space1912 topological space1913 sheaf1955 the world > relative properties > number > arithmetic or algebraic operations > transformation > [noun] > correspondence > preserving relations or elements inclusion1870 orthomorphosis1885 isomorphism1892 identity1910 homoeomorphism1918 homomorphism1935 topological mapping or transformation1939 isometry1941 Möbius transformation1941 injection map(ping)1950 monomorphism1954 bijection1963 surjection1964 1913 Amer. Jrnl. Math. 35 189 (heading) On some topological properties of plane curves and a theorem of Möbius. 1926 Proc. Sect. Sci. K. Akad. van Wetenschappen te Amsterdam XXIX. 462 Any normal, not absolutely closed topological space ℛ can be extended to a normal topological space R = ℛ + ξ by adjunction of a non isolated point ξ. 1939 M. H. A. Newman Elem. Topol. Plane Sets of Points iii. 51 The correlation is called a homoeomorphism between the spaces, or a topological mapping of the one space on the other. 1946 E. Lehmer tr. L. S. Pontryagin Topol. Groups iii. 53 For any two elements p and q of the group G there exists a topological transformation f(x) of the space G into itself which transforms p into q. 1956 E. M. Patterson Topol. i. 2 The fundamental type of equivalence in topology is called topological equivalence or homeomorphism. 1961 A. E. Farley tr. Alexandroff Elem. Concepts Topol. 16 A simple closed curve (i.e., the topological image of a circle). 1968 E. T. Copson Metric Spaces vii. 92 Properties of a metric space which depend only on its open sets..are called topological properties. 1975 I. Stewart Concepts Mod. Math. x. 144 Straightness is not a topological property. Derivatives topoˈlogic adj. ΘΚΠ the world > the earth > earth sciences > geography > [adjective] > physical geography > topology or topography topographicala1586 topographic1632 topological1715 topologic1872 topo1970 1872 M. Collins in Lett. & Friendships I. 113 I might go on with topologic lore, Until you voted me an awful bore. 1903 Cornhill Mag. Feb. 259 The topologic compass keeps his prow true. topoˈlogically adv. ΘΚΠ the world > the earth > earth sciences > geography > [adverb] > physical geography > topology or topography topographically1625 topologically1716 the world > relative properties > number > geometry > [adverb] geometrically1555 trigonometrically1666 topologically1915 stereometrically1928 1716 M. Davies Diss. Physick 12 in Athenæ Britannicæ III They were distinguish'd topologically or Geographically. 1915 Trans. Amer. Math. Soc. 16 153 A manifold..topologically equivalent to the boundary of an n-dimensional complex. 1938 Mind 47 126 Tests are gauged ‘topologically’ by the extent to which they succeed in grouping together men who are also grouped together in respect of their performances in life. 1969 R. B. Fuller Operating Man. Spaceship Earth v. 67 All the system's paths must be topologically and circularly interrelated. 1975 I. Stewart Concepts Mod. Math. x. 156 Now topologically a dog is a sphere (assuming it keeps its mouth shut and neglecting internal organs) because all we have to do is shrink its legs and fatten it up a bit. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019). < adj.1715 |
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