Alexander-Whitney mapping

См. также в других словарях:

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Contributors — ▪ 2000       Adams, Andy. Editor and Publisher, Sumo World. Author of Sumo; Sumo World Record Book. • sports and games: Judo; Wrestling: Sumo       Ahn, Ki suk. Assistant Editor, Shindonga of Donga Ilbo. • biographies (in part)       Alder,… …   Universalium

• performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical.       The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …   Universalium

• Floer homology — is a mathematical tool used in the study of symplectic geometry and low dimensional topology. First introduced by Andreas Floer in his proof of the Arnold conjecture in symplectic geometry, Floer homology is a novel homology theory arising as an… …   Wikipedia

• Chern class — In mathematics, in particular in algebraic topology and differential geometry, the Chern classes are characteristic classes associated to complex vector bundles. Chern classes were introduced by Shiing Shen Chern (1946). Contents 1 Basic… …   Wikipedia

• List of geneticists — This is a list of people who have made notable contributions to genetics. The growth and development of genetics represents the work of many people. This list of geneticists is therefore by no means complete. Contributors of great distinction to… …   Wikipedia

• Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer.       The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …   Universalium

• B-17 Flying Fortress — Infobox Aircraft name= B 17 Flying Fortress caption= This TB 17G was assigned various USAAF training commands type= Strategic bomber national origin = United States manufacturer= Boeing first flight= 28 July 1935cite web |url=… …   Wikipedia

• Cohomology — In mathematics, specifically in algebraic topology, cohomology is a general term for a sequence of abelian groups defined from a co chain complex. That is, cohomology is defined as the abstract study of cochains, cocycles, and coboundaries.… …   Wikipedia

• XF-12 Rainbow — infobox Aircraft name = XF 12 Rainbow type = Strategic reconnaissance manufacturer = Republic Aviation caption = designer = Alexander Kartveli first flight = 4 February 1946 introduced = December 1945 retired = June 1952 produced = number built …   Wikipedia

• Gazetteer — A gazetteer is a geographical dictionary or directory, an important reference for information about places and place names (see: toponomy), used in conjunction with a map or a full atlas.Aurousseau, 61.] It typically contains information… …   Wikipedia