On the geometry of some special projective varieties /
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| Author / Creator: | Russo, Francesco, 1959- author. |
|---|---|
| Imprint: | Cham : Springer, [2016] |
| Description: | 1 online resource : illustrations |
| Language: | English |
| Series: | Lecture notes of the Unione Matematica Italiana ; 18 Lecture notes of the Unione Matematica Italiana ; 18. |
| Subject: | |
| Format: | E-Resource Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/11252206 |
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| 100 | 1 | |a Russo, Francesco, |d 1959- |e author. |0 http://id.loc.gov/authorities/names/n95054217 | |
| 245 | 1 | 0 | |a On the geometry of some special projective varieties / |c Francesco Russo. |
| 264 | 1 | |a Cham : |b Springer, |c [2016] | |
| 300 | |a 1 online resource : |b illustrations | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 347 | |a text file |b PDF |2 rda | ||
| 490 | 1 | |a Lecture notes of the Unione Matematica Italiana ; |v 18 | |
| 500 | |a "Winner of the UMI Book Prize, 2015"--Cover. | ||
| 504 | |a Includes bibliographical references and index. | ||
| 588 | 0 | |a Online resource; title from PDF title page (EBSCO, viewed February 01, 2016). | |
| 505 | 0 | |a Preface.-Introduction -- 1. Tangent cones, tangent spaces, tangent stars; secant, tangent and tangent star varieties to an algebraic variety -- 2. Basics of Deformation Theory of Rational Curves on Projective Varieties -- 3. Fulton-Hansen Connectedness Theorem, Scorza Lemma and their applications to projective geometry -- 4. Local quadratic entry locus manifolds and conic connected manifolds -- 5. Hartshorne Conjectures and Severi varieties -- 6. Varieties n-covered by curves of a fixed degree and the XJC -- 7. Hypersurfaces with vanishing hessian.-Bibliography. | |
| 520 | |a Providing an introduction to both classical and modern techniques in projective algebraic geometry, this monograph treats the geometrical properties of varieties embedded in projective spaces, their secant and tangent lines, the behavior of tangent linear spaces, the algebro-geometric and topological obstructions to their embedding into smaller projective spaces, and the classification of extremal cases. It also provides a solution of Hartshorne's Conjecture on Complete Intersections for the class of quadratic manifolds and new short proofs of previously known results, using the modern tools of Mori Theory and of rationally connected manifolds. The new approach to some of the problems considered can be resumed in the principle that, instead of studying a special embedded manifold uniruled by lines, one passes to analyze the original geometrical property on the manifold of lines passing through a general point and contained in the manifold. Once this embedded manifold, usually of lower codimension, is classified, one tries to reconstruct the original manifold, following a principle appearing also in other areas of geometry such as projective differential geometry or complex geometry. | ||
| 546 | |a English. | ||
| 650 | 0 | |a Geometry, Algebraic. |0 http://id.loc.gov/authorities/subjects/sh85054140 | |
| 650 | 0 | |a Algebraic varieties. |0 http://id.loc.gov/authorities/subjects/sh85003439 | |
| 650 | 7 | |a Algebra. |2 bicssc | |
| 650 | 7 | |a Geometry. |2 bicssc | |
| 650 | 7 | |a Algebraic geometry. |2 bicssc | |
| 650 | 7 | |a MATHEMATICS |x Geometry |x General. |2 bisacsh | |
| 650 | 7 | |a Algebraic varieties. |2 fast |0 (OCoLC)fst00804944 | |
| 650 | 7 | |a Geometry, Algebraic. |2 fast |0 (OCoLC)fst00940902 | |
| 655 | 0 | |a Electronic books. | |
| 655 | 4 | |a Electronic books. | |
| 776 | 0 | 8 | |i Printed edition: |z 9783319267647 |
| 830 | 0 | |a Lecture notes of the Unione Matematica Italiana ; |v 18. |0 http://id.loc.gov/authorities/names/no2006133097 | |
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