文件名称:
COMPUTERS AND INTRACTABILITY： A Guide to the Theory of NP-Completeness
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上传时间: 2011-09-14
详细说明： （为.djvu文件，可用WinDjView 打开） COMPUTERS AND INTRACTABILITY： A Guide to the Theory of NP-Completeness by Michael R. Garey & David S. Johnson Content 1 Computers, Complexity, and Intractability 1 1.1 Introduction 1 1.2 Problems, Algorithms, and Complexity 4 1.3 Polynomial Time Algorithms and Intractable Problems 6 1.4 Provably Intractable Problems 11 1.5 NP-Complete Problems 13 1.6 An Outline of the Book 14 2 The Theory of NP-Completeness 17 2.1 Decision Problems, Languages, and Encoding Schemes 18 2.2 Deterministic Turing Machines and the Class P 23 2.3 Nondeterministic Computation and the Class NP 27 2.4 The Relationship Between P and NP 32 2.5 Polynomial Transformations and NP-Completeness 34 2.6 Cook's Theorem 38 3 Proving NP-Completeness Results 45 3.1 Six Basic NP-Complete Problems 46 3.1.1 3-SATISF1ABIL1TY 48 3.1.2 3-DIMENS10NAL MATCHING 50 3.1.3 VERTEX COVER and CLIQUE 53 3.1.4 HAMILTONIAN CIRCUIT 56 3.1.5 PARTITION 60 3.2 Some Techniques for Proving NP-Completeness 63 3.2.1 Restriction 63 3.2.2 Local Replacement 66 3.2.3 Component Design 72 3.3 Some Suggested Exercises 74 4 Using NP-Completeness to Analyze Problems 77 4.1 Analyzing Subproblems 80 4.2 Number Problems and Strong NP-Completeness 90 4.2.1 Some Additional Definitions 92 4.2.2 Proving Strong NP-Completeness Results 95 4.3 Time Complexity as a Function of Natural Parameters .... 106 5 NP-Hardness 109 5.1 Turing Reducibility and NP-Hard Problems 109 5.2 A Terminological History 118 6 Coping with NP-Complete Problems 121 6.1 Performance Guarantees for Approximation Algorithms ...123 6.2 Applying NP-Completeness to Approximation Problems ...137 6.3 Performance Guarantees and Behavior "In Practice" 148 7 Beyond NP-Completeness 153 7.1 The Structure of NP 154 7.2 The Polynomial Hierarchy 161 7.3 The Complexity of Enumeration Problems 167 7.4 Polynomial Space Completeness 170 7.5 Logarithmic Space 177 7.6 Proofs of Intractability and P vs. NP 181 ...展开收缩
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