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pullback divisor

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  • Ample line bundle — In algebraic geometry, a very ample line bundle is one with enough global sections to set up an embedding of its base variety or manifold M into projective space. An ample line bundle is one such that some positive power is very ample. Globally… …   Wikipedia

  • Blowing up — This article is about the mathematical concept of blowing up. For information about the physical/chemical process, see Explosion. For other uses of Blow up , see Blow up (disambiguation). Blowup of the affine plane. In mathematics, blowing up or… …   Wikipedia

  • Dow Jones Industrial Average — Recent logarithmic graph of the DJIA from Jan 2000 through Jul 2011 …   Wikipedia

  • Chern-Klasse — In der Mathematik, genauer in der algebraischen Topologie und in der Differentialgeometrie und topologie, ist eine Chernklasse ein spezieller Typ einer charakteristischen Klasse, die komplexen Vektorbündeln zugeordnet wird. Chernklassen sind nach …   Deutsch Wikipedia

  • Logarithmic derivative — In mathematics, specifically in calculus and complex analysis, the logarithmic derivative of a function f is defined by the formula where f ′ is the derivative of f. When f is a function f(x) of a real variable x, and takes real, strictly… …   Wikipedia

  • Étale cohomology — In mathematics, the étale cohomology groups of an algebraic variety or scheme are algebraic analogues of the usual cohomology groups with finite coefficients of a topological space, introduced by Grothendieck in order to prove the Weil… …   Wikipedia

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