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Titlebook: Worlds Out of Nothing; A Course in the Hist Jeremy Gray Textbook 20071st edition Springer-Verlag London 2007

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發(fā)表于 2025-3-27 00:11:37 | 只看該作者
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,Plücker, Hesse, Higher Plane Curves, and the Resolution of the Duality Paradox,. + . + . = 0 represents a quartic. The equation may be written in homogeneous coordinates [.] by setting . = .′/.′, . = .′/.′ and multiplying through by the lowest power of .′ that produces a polynomial equation (if you wish you may then remove the primes) when the curve is considered to lie in the
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The Mathematical Theory of Plane Curves,ugh a point, or more than one. If only one, then the curve will have a tangent there. To study the nature of a curve near a particular point we may always suppose that we have moved the point to the origin.
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Riemann: Geometry and Physics,onventional in his tastes, close to his family and awkward outside them.. As a child, he was taught by his father, a pastor, and then for some years at school before going to G?ttingen University. There he had initially intended to study theology, in accordance with his father’s wishes — G?ttingen w
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發(fā)表于 2025-3-28 11:06:44 | 只看該作者
Textbook 20071st editionTopics covered in the first part of the book are projective geometry, especially the concept of duality, and non-Euclidean geometry. The book then moves on to the study of the singular points of algebraic curves (Plücker’s equations) and their role in resolving a paradox in the theory of duality; to
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