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Title: What you need to know in projective geometry
Review: Projective geometry suffers from its absence in school teaching and that it is assumed to be trivial in algebraic geometry books. This book fills nicely the void and can be useful to many different people.The book starts with projective spaces; then it develop duality between points and hyperplan and continues with conics (their parameter space are projective spaces). This is usually sufficient for applications.Second chapter consider one dimensional projective spaces, the notion of birapport, how it can be put on any conic and the notion of unicursal curve.The last two chapters consider projective geometry, quadrics and so on.
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