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Preface | |
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Notation and Terminology | |
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Convexity | |
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Linear and Affine Subspaces, General Position | |
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Convex Sets, Convex Combinations, Separation | |
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Radon's Lemma and Helly's Theorem | |
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Centerpoint and Ham Sandwich | |
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Lattices and Minkowski's Theorem | |
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Minkowski's Theorem | |
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General Lattices | |
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An Application in Number Theory | |
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Convex Independent Subsets | |
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The Erdos Szekeres Theorem | |
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Horton Sets | |
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Incidence Problems | |
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Formulation | |
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Lower Bounds: Incidences and Unit Distances | |
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Point-Line Incidences via Crossing Numbers | |
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Distinct Distances via Crossing Numbers | |
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Point-Line Incidences via Cuttings | |
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A Weaker Cutting Lemma | |
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The Cutting Lemma: A Tight Bound | |
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Convex Polytopes | |
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Geometric Duality | |
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H-Polytopes and V-Polytopes | |
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Faces of a Convex Polytope | |
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Many Faces: The Cyclic Polytopes | |
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The Upper Bound Theorem | |
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The Gale Transform | |
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Voronoi Diagrams | |
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Number of Faces in Arrangements | |
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Arrangements of Hyperplanes | |
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Arrangements of Other Geometric Objects | |
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Number of Vertices of Level at Most k | |
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The Zone Theorem | |
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The Cutting Lemma Revisited | |
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Lower Envelopes | |
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Segments and Davenport-Schinzel Sequences | |
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Segments: Superlinear Complexity of the Lower Envelope | |
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More on Davenport-Schinzel Sequences | |
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Towards the Tight Upper Bound for Segments | |
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Up to Higher Dimension: Triangles in Space | |
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Curves in the Plane | |
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Algebraic Surface Patches | |
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Intersection Patterns of Convex Sets | |
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The Fractional Helly Theorem | |
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The Colorful Caratheodory Theorem | |
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Tverberg's Theorem | |
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Geometric Selection Theorems | |
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A Point in Many Simplices: The First Selection Lemma | |
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The Second Selection Lemma | |
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Order Types and the Same-Type Lemma | |
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A Hypergraph Regularity Lemma | |
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A Positive-Fraction Selection Lemma | |
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Transversals and Epsilon Nets | |
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General Preliminaries: Transversals and Matchings | |
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Epsilon Nets and VC-Dimension | |
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Bounding the VC-Dimension and Applications | |
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Weak Epsilon Nets for Convex Sets | |
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The Hadwiger-Debrunner (p,q)-Problem | |
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A (p,q)-Theorem for Hyperplane Transversals | |
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Attempts to Count k-sets | |
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Definitions and First Estimates | |
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Sets with Many Halving Edges | |
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The Lovasz Lemma and Upper Bounds in All Dimensions | |
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A Better Upper Bound in the Plane | |
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Two Applications of High-Dimensional Polytopes | |
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The Weak Perfect Graph Conjecture | |
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The Brunn-Minkowski Inequality | |
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Sorting Partially Ordered Sets | |
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Volumes in High Dimension | |
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Volumes, Paradoxes of High Dimension, and Nets | |
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Hardness of Volume Approximation | |
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Constructing Polytopes of Large Volume | |
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Approximating Convex Bodies by Ellipsoids | |
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Measure Concentration and Almost Spherical Sections | |
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Measure Concentration on the Sphere | |
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Isoperimetric Inequalities and More on Concentration | |
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Concentration of Lipschitz Functions | |
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Almost Spherical Sections: The First Steps | |
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Many Faces of Symmetric Polytopes | |
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Dvoretzky's Theorem | |
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Embedding Finite Metric Spaces into Normed Spaces | |
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Introduction: Approximate Emboddings | |
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The Johnson-Lindenstrauss Flattening Lemma | |
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Lower Bounds by Counting | |
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A Lower Bound for the Hamming Cube | |
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A Tight Lower Bound via Expanders | |
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Upper Bounds for l[subscript [infinity]]-Embeddings | |
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Upper Bounds for Euclidean Embeddings | |
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What Was It About? An Informal Summary | |
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Hints to Selected Exercises | |
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Bibliography | |
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Index | |