The Discrepancy Method: Randomness and Complexity

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Cambridge University Press, 2001 - Computers - 475 pages
The discrepancy method is the glue that binds randomness and complexity. It is the bridge between randomized computation and discrepancy theory, the area of mathematics concerned with irregularities in distributions. The discrepancy method has played a major role in complexity theory; in particular, it has caused a mini-revolution of sorts in computational geometry. This book tells the story of the discrepancy method in a few short independent vignettes. It is a varied tale which includes such topics as communication complexity, pseudo-randomness, rapidly mixing Markov chains, points on the sphere and modular forms, derandomization, convex hulls, Voronoi diagrams, linear programming and extensions, geometric sampling, VC-dimension theory, minimum spanning trees, linear circuit complexity, and multidimensional searching. The mathematical treatment is thorough and self-contained. In particular, background material in discrepancy theory is supplied as needed. Thus the book should appeal to students and researchers in computer science, operations research, pure and applied mathematics, and engineering.
 

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Contents

Combinatorial Discrepancy
1
Sampling
11
Upper Bound Techniques
41
Lower Bound Techniques
133
Geometric Searching
206
Complexity Lower Bounds
228
Convex Hulls and Voronoi Diagrams
306
Pseudorandomness
318
Communication Complexity
346
Minimum Spanning Trees
376
A Probability Theory
430
B Harmonic Analysis
442
Convex Geometry
449
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