Ramification: Mathematics, Complex Number, Square Root, Degeneracy, Covering Space, Riemann-Hurwitz Formula, Complex Analysis, Riemann Surface, Branch Point, Euler Characteristic - Tapa blanda

Sinopsis

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In mathematics, ramification is a geometric term used for ''branching out'', in the way that the square root function, for complex numbers, can be seen to have two branches differing in sign. It is also used from the opposite perspective (branches coming together) as when a covering map degenerates at a point of a space, with some collapsing together of the fibers of the mapping. In complex analysis, the basic model can be taken as the z to zn mapping in the complex plane, near z = 0. This is the standard local picture in Riemann surface theory, of ramification of order n. It occurs for example in the Riemann–Hurwitz formula for the effect of mappings on the genus. See also branch point.

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