Akbulut cork — In topology an Akbulut cork is a structure is frequently used to show that in four dimensions, the smooth h cobordism theorem fails. It was named after Selman Akbulut.The basic idea of the Akbulut cork is that when attempting to use the h… … Wikipedia
List of Michigan State University people — Liberty Hyde Bailey. Class of 1882. This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries … Wikipedia
Sphère exotique — En mathématiques, et plus précisément en topologie différentielle, une sphère exotique est une variété différentielle M qui est homéomorphe, mais non difféomorphe, à la n sphère euclidienne standard. Autrement dit, M est une sphère du point de… … Wikipédia en Français
List of Turkish people — This is a list of notable Turkish people. Actors/actresses * İsmail Ferhat Özlü * Güllü Agop * Tarık Akan Actor * Azra Akın Model, Miss World 2002 * Barış Akarsu * Filiz Akın – Actress * Fatih Akın, film director * Metin Akpınar – Actor * Derya… … Wikipedia
Cahit Arf — Infobox Scientist name = Cahit Arf caption = birth date = birth date|1910|10|11|mf=y birth place = Selanik (Thessaloniki) nationality = death date = death date and age|1997|12|26|1910|10|11|mf=y death place = Bebek, Istanbul field = Mathematics… … Wikipedia
Cahit Arf — auf der Rückseite des türkischen 10 Lira Scheins Cahit Arf (* 11. Oktober 1910 in Thessaloniki; † 26. Dezember 1997 in Istanbul) war ein türkischer Mathematiker. Er ist bekannt für die Arf Invariante einer Quadratischen For … Deutsch Wikipedia
Cahit Arf — (11 octobre 1910 26 décembre 1997) était un mathématicien turc. Il est né à Salonique, qui se trouvait alors dans l Empire ottoman, et est mort à Istanbul en Turquie. Il a soutenu son doctorat à l université de Göttingen sous… … Wikipédia en Français
Exotic sphere — In differential topology, a mathematical discipline, an exotic sphere is a differentiable manifold M that is homeomorphic but not diffeomorphic to the standard Euclidean n sphere. That is, M is a sphere from the point of view of all its… … Wikipedia
Dolgachev surface — In mathematics, Dolgachev surfaces are certain simply connected elliptic surfaces, introduced by Dolgachev (1981). They can be used to give examples of an infinite family of homeomorphic simply connected compact 4 manifolds no two of which are… … Wikipedia
List of mathematicians (A) — NOTOC A * A., Choudum S. (India, 1947 ) * Aalen, Odd (Norway, 1947 ) * Abakanowicz, Bruno (Russia/Poland/Lithuania, 1852 1900) * Abdelkader, Mostafa A. (Egypt, ? ) * Abel, Niels Henrik (Norway, 1802 1829) * Abelson, Harold (USA, ? ) * al Abharī,… … Wikipedia