Introduction to Algebraic Geometry

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2.5.1 Fibers of a regular map 75 2.5.2 Flat morphism 79 2.5.3 A rational function on a unit circle 82 2.5.4 Parametrization of an ellipse 88 2.5.5 Rationalization of the two-sphere 89 2.8.1 Minimal prime ideal containing (x) 110 3.3.1 Tangent space 120 3.3.2 Steiner’s crosscap 127 3.3.3 A neighborhood 130 3.3.4 Tangent cone 131

  Neighborhood