Abstract
Projective Geometry, as described in [20] by Hilbert and Cohn-Vossen, is a study of “geometrical facts that can be formulated and proved without any measurement or comparison of distances and angles”. To quote their example:
⋯ if a plane figure is projected from a point onto another plane, distances and angles are changed, and in addition, parallel lines may be changed into lines that are not parallel; but certain essential properties must nevertheless remain intact, since we could not otherwise recognise the projection as being a true picture of the original figure.
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© 2001 Hindustan Book Agency
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Musili, C. (2001). Projective Varieties. In: Algebraic Geometry for Beginners. Texts and Readings in Mathematics, vol 20. Hindustan Book Agency, Gurgaon. https://doi.org/10.1007/978-93-86279-05-7_3
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DOI: https://doi.org/10.1007/978-93-86279-05-7_3
Publisher Name: Hindustan Book Agency, Gurgaon
Print ISBN: 978-81-85931-66-1
Online ISBN: 978-93-86279-05-7
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