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Viser: Algebraic Geometry I Complex Projective Varieties
Algebraic Geometry I Complex Projective Varieties
(2021)
om ca. 10 hverdage
Detaljer om varen
- 1. Udgave
- Udgiver: (Oktober 2021)
- ISBN: 9783540586579
2. Projective Varieties.- §2A. Their Definition, Extension of Concepts from Affine to Projective Case.- §2B. Products, Segre Embedding, Correspondences.- §2C. Elimination Theory, Noether's Normalization Lemma, Density of Zariski-Open Sets.-
3. Structure of Correspondences.- §3A. Local Properties--Smooth Maps, Fundamental Openness Principle, Zariski's Main Theorem.- §3B. Global Properties--Zariski's Connectedness Theorem, Specialization Principle.- §3C. Intersections on Smooth Varieties.-
4. Chow's Theorem.- §4A. Internally and Externally Defined Analytic Sets and their Local Descriptions as Branched Coverings of ?n.- §4B. Applications to Uniqueness of Algebraic Structure and Connectedness.-
5. Degree of a Projective Variety.- §5A. Definition of deg X, multxX, of the Blow up Bx(X), Effect of a Projection, Examples.- §5B. Bezout's Theorem.- §5C. Volume of a Projective Variety ; Review of Homology, DeRham's Theorem, Varieties as Minimal Submanifolds.-
6. Linear Systems.- §6A. The Correspondence between Linear Systems and Rational Maps, Examples; Complete Linear Systems are Finite-Dimensional.- §6B. Differential Forms, Canonical Divisors and Branch Loci.- §6C. Hilbert Polynomials, Relations with Degree.- Appendix to
Chapter 6. The Weil-Samuel Algebraic Theory of Multiplicity.-
7. Curves and Their Genus.- §7A. Existence and Uniqueness of the Non-Singular Model of Each Function Field of Transcendence Degree 1 (after Albanese).- §7B. Arithmetic Genus = Topological Genus; Existence of Good Projections to ?1, ?2, ?3.- §7C. Residues of Differentials on Curves, the Classical Riemann-Roch Theorem for Curves and Applications.- §7D. Curves of Genus 1 as Plane Cubics and as Complex Tori ?/L.-
8. The BirationalGeometry of Surfaces.- §8A. Generalities on Blowing up Points.- §8B. Resolution of Singularities of Curves on a Smooth Surface by Blowing up the Surface; Examples.- §8C. Factorization of Birational Maps between Smooth Surfaces; the Trees of Infinitely Near Points.- §8D. The Birational Map between ?2 and the Quadric and Cubic Surfaces; the 27 Lines on a Cubic Surface.- List of Notations.