Algorithms for Enumerating Circuits in Matroids 1st edition by Endre Boros, Khaled Elbassioni, Vladimir Gurvich, Leonid Khachiyan – Ebook PDF Instant Download/Delivery. 3540206958, 978-3540206958
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ISBN 10: 3540206958
ISBN 13: 978-3540206958
Author: Endre Boros, Khaled Elbassioni, Vladimir Gurvich, Leonid Khachiyan
We present an incremental polynomial-time algorithm for enumerating all circuits of a matroid or, more generally, all minimal spanning sets for a flat. This result implies, in particular, that for a given infeasible system of linear equations, all its maximal feasible subsystems, as well as all minimal infeasible subsystems, can be enumerated in incremental polynomial time. We also show the NP-hardness of several related enumeration problems.
This research was supported in part by the National Science Foundation Grant IIS-0118635. The research of the first and third authors was also supported in part by the Office of Naval Research Grant N00014-92-J-1375. The second and third authors are also grateful for the partial support by DIMACS, the National Science Foundation’s Center for Discrete Mathematics and Theoretical Computer Science.
Algorithms for Enumerating Circuits in Matroids 1st Table of contents:
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Introduction
- 1.1 Motivation and Importance of Circuit Enumeration in Matroids
- 1.2 Overview of Matroids and Their Key Properties
- 1.3 Problem Definition: Enumerating Circuits in Matroids
- 1.4 Contributions of the Paper
- 1.5 Structure of the Paper
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Background and Related Work
- 2.1 Introduction to Matroid Theory
- 2.2 Circuits in Matroids: Definitions and Properties
- 2.3 The Role of Circuit Enumeration in Combinatorial Optimization
- 2.4 Previous Work on Circuit Enumeration Algorithms
- 2.5 Comparison of Approaches to Enumerating Circuits
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Preliminaries
- 3.1 Basic Definitions in Matroid Theory
- 3.2 Representations of Matroids: Combinatorial and Geometric Views
- 3.3 Fundamental Theorems in Matroid Theory
- 3.4 Circuit Properties and Characterization
- 3.5 Algorithmic Framework for Circuit Enumeration
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Circuit Enumeration Algorithms
- 4.1 Overview of the Algorithmic Approach
- 4.2 Depth-First Search (DFS) Based Algorithm for Circuit Enumeration
- 4.3 Efficient Backtracking Techniques for Circuit Enumeration
- 4.4 Greedy Algorithms for Enumerating Specific Classes of Circuits
- 4.5 Parallel and Distributed Algorithms for Circuit Enumeration
- 4.6 Improvements in Space and Time Complexity for Circuit Enumeration
- 4.7 Pseudo-code and Step-by-Step Explanation of the Algorithms
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Complexity Analysis
- 5.1 Time Complexity of Circuit Enumeration Algorithms
- 5.2 Space Complexity Considerations
- 5.3 Worst-Case and Average-Case Analysis
- 5.4 Comparison with Other Enumerative Algorithms in Graph Theory
- 5.5 Lower Bounds for Circuit Enumeration in Matroids
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Applications of Circuit Enumeration
- 6.1 Applications in Graph Theory: Cycle Enumeration and Connectivity
- 6.2 Optimization Problems: Solving Maximum Flow and Network Design
- 6.3 Applications in Coding Theory and Error Correction
- 6.4 Circuit Enumeration in Game Theory and Economics
- 6.5 Use in Machine Learning and Data Analysis
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Experimental Results
- 7.1 Experimental Setup and Methodology
- 7.2 Benchmarking the Proposed Algorithms Against Existing Techniques
- 7.3 Performance Metrics: Time, Space, and Correctness
- 7.4 Results on Synthetic and Real-World Matroid Instances
- 7.5 Discussion of Findings and Practical Insights
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Challenges and Limitations
- 8.1 Handling Large Matroids with Many Circuits
- 8.2 Scalability Issues in High-Dimensional Matroids
- 8.3 Efficiently Handling Special Classes of Matroids
- 8.4 Dealing with Redundancy in the Enumeration Process
- 8.5 Open Problems and Future Directions in Matroid Circuit Enumeration
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Future Directions
- 9.1 Improving Efficiency for Large-Scale Circuit Enumeration
- 9.2 Extensions to Enumerating Other Combinatorial Structures
- 9.3 Applications in Advanced Graph and Network Theory
- 9.4 Integration with Other Optimization Algorithms (e.g., Linear Programming)
- 9.5 Exploration of Quantum Algorithms for Circuit Enumeration
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Conclusion
- 10.1 Summary of Key Contributions
- 10.2 Practical Impact of Efficient Circuit Enumeration Algorithms
- 10.3 Final Remarks and Open Problems
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