- Alexander sphere
- Математика: сфера Александера
Универсальный англо-русский словарь. Академик.ру. 2011.
Alexander sphere
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Alexander horned sphere — The Alexander horned sphere is one of the most famous pathological examples in mathematics discovered in 1924 by J. W. Alexander. It is the particular embedding of a sphere in 3 dimensional Euclidean space obtained by the following construction,… … Wikipedia
Sphère cornue d'Alexander — En mathématiques, et plus précisément en topologie, la sphère cornue d Alexander est un célèbre exemple de surface pathologique ; elle fut découverte en 1923 par J. W. Alexander. Sommaire … Wikipédia en Français
Alexander Kluge — (born February 14 1932 in Halberstadt, in the vicinity of Magdeburg, Germany) is a noted film director and author. Early lifeAfter growing up during the Second World War, he studied law, history and music at the universities of Marburg and… … Wikipedia
Alexander's trick — Alexander s trick, also known as the Alexander trick, is a basic result in geometric topology, named after J. W. Alexander.tatementTwo homeomorphisms of the n dimensional ball D^n which agree on the boundary sphere S^{n 1}, are isotopic.More… … Wikipedia
Alexander Wendt — (1958 ) est l’une des figures de proue de l application de la théorie du constructivisme social au champ des relations internationales. Wendt et d’autres chercheurs tels que Nicholas Onuf, Peter J. Katzenstein, Michael Barnett, Kathryn Sikkink,… … Wikipédia en Français
Alexander of Abonoteichos — • The most notorious imposter of the second century of the Christian era Catholic Encyclopedia. Kevin Knight. 2006. Alexander of Abonoteichos Alexander of Abonoteichos … Catholic encyclopedia
Alexander Robey Shepherd — (1835 – 1902), better known as Boss Shepherd, was one of the most controversial and influential civic leaders in the history of Washington, D.C., and one of the most powerful big city political bosses of the Gilded Age. He was head of the DC… … Wikipedia
Alexander duality — In mathematics, Alexander duality refers to a duality theory presaged by a result of 1915 by J. W. Alexander, and subsequently further developed, particularly by P. S. Alexandrov and Lev Pontryagin. It applies to the homology theory properties of … Wikipedia
Alexander polynomial — In mathematics, the Alexander polynomial is a knot invariant which assigns a polynomial with integer coefficients to each knot type. James Waddell Alexander II discovered this, the first knot polynomial, in 1923. In 1969, John Conway showed a… … Wikipedia
Alexander, James Waddell, II — ▪ American mathematician born September 19, 1888, Sea Bright, New Jersey, U.S. died September 23, 1971, Princeton, New Jersey American mathematician and a founder of the branch of mathematics originally known as analysis situs, now called… … Universalium
Alexander III — 1. died 1181, Italian ecclesiastic: pope 1159 81. 2. (Aleksandr Aleksandrovich) 1845 94, czar of Russia 1881 94. * * * I born Sept. 2, 1241 died March 18/19, 1286, near Kinghorn, Fife, Scot. King of Scotland (1249–86). Son of Alexander II, he… … Universalium
