Preface Introduction Part 1 Combinatorial Convexity Ⅰ.Convex Bodies 1.Convex sets 2.Theorems of Radon and Carath6odory 3.Nearest point map and supporting hyperplanes 4.Faces and normal cones 5.Support function and distance function 6.Polar bodies Ⅱ.Combinatorial theory of polytopes and polyhedral sets 1.The boundary complex of a polyhedral set 2.Polar polytopes and quotient polytopes 3.Special types of polytopes 4.Linear transforms and Gale transforms 5.Matrix representation of transforms 6.Classification of polytopes Ⅲ Polyhedral spheres 1.Cell complexes 2.Stellar operations 3.The Euler and the Dehn—Sommerville equations 4.Schlegel diagrams,n—diagrams,and polytopality of spheres 5.Embedding problems 6.Shellings 7.Upper bound theorem Ⅳ.Minkowski sum and mixed volume 1.Minkowsld sum 2.Hausdorff metric 3.Volume and mixed volume 4.Further properties of mixed volumes 5.Alexandrov—Fenchel's inequality 6.Ehrhart's theorem 7.Zonotopes and arrangements of hyperplanes Ⅴ.Lattice polytopes and fans 1.Lattice cones 2.Dual cones and quotient cones 3.Monoids 4.Fans 5.The combinatorial Picard group 6.Regular stellar operations 7.Classification problems 8.Fano polytopes
Part 2 Algebraic Geometry Ⅵ.Toric varieties 1.Ideals and affine algebraic sets 2.Affine toric varieties 3.Toric varieties 4.Invariant toric subvarieties 5.The torus action 6.Toric morphisms and fibrations 7.Blowups and blowdowns 8.Resolution of singularities 9.Completeness and compactness Ⅶ.Sheaves and projective toric varieties 1.Sheaves and divisors 2.Invertible sheaves and the Picard group 3.Projective toric varieties 4.Support functions and line bundles 5.Chow ring 6.Intersection numbers.Hodge inequality 7.Moment map and Morse function 8.Classification theorems.Toric Fano varieties Ⅷ.Cohomology of toric varieties 1.Basic concepts 2.Cohomology ring of a toric variety 3.Cech cohomology 4.Cohomology of invertible sheaves 5.The Riemann—Roch—Hh—zebruch theorem Summary: A Dictionary Appendix Comments,historical notes,further exercises,research problems,suggestions for further reading References List of Symbols Index
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