Intersection Number

Intersection Number

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In mathematics, and especially in algebraic geometry, the intersection number generalizes the intuitive notion of counting the number of times two curves intersect to higher dimensions, multiple curves, and accounting properly for tangency. One needs a definition of intersection number in order to state results like Bezout's theorem. The intersection number is obvious in certain cases, such as the intersection of x- and y-axes which should be one. The complexity enters when calculating intersections at points of tangency and intersections along positive dimensional sets. For example if a plane is tangent to a surface along a line, the intersection number along the line should be at least two. These questions are discussed systematically in intersection theory.show more

Product details

  • Paperback | 64 pages
  • 152 x 229 x 4mm | 104g
  • Fidel
  • United States
  • English
  • 6135830600
  • 9786135830606