Settling the Intractability of Multiple Alignment 1st edition by Isaac Elias – Ebook PDF Instant Download/Delivery. 3540206958, 978-3540206958
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Product details:
ISBN 10: 3540206958
ISBN 13: 978-3540206958
Author: Isaac Elias
In this paper some of the most fundamental problems in computational biology are proved intractable. The following problems are shown NP-hard for all binary or larger alphabets under all fixed metrics: Multiple Alignment with SP-score, Star Alignment, and Tree Alignment (for a given phylogeny). Earlier these problems have only been shown intractable for sporadic alphabets and distances, here the intractability is settled. Moreover, the construction can be extended to prove NP-hardness results for Consensus Patterns and Substring Parsimony.
Settling the Intractability of Multiple Alignment 1st Table of contents:
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Introduction
- 1.1 Overview of Multiple Sequence Alignment
- 1.2 The Significance of Multiple Alignment in Computational Biology
- 1.3 The Intractability of Multiple Sequence Alignment Problems
- 1.4 Motivation and Goals of the Study
- 1.5 Structure of the Paper
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Background on Sequence Alignment
- 2.1 Basic Concepts in Sequence Alignment
- 2.2 Pairwise Sequence Alignment: Dynamic Programming Algorithms
- 2.3 Extensions to Multiple Sequence Alignment (MSA)
- 2.4 The Role of Heuristics in Multiple Alignment
- 2.5 Previous Work on the Complexity of MSA
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Intractability of Multiple Sequence Alignment
- 3.1 The Computational Complexity of MSA
- 3.2 NP-Hardness of Exact MSA Algorithms
- 3.3 Approximation Algorithms and Their Limitations
- 3.4 The Impact of Sequence Length and Number of Sequences
- 3.5 Reductions to Known Hard Problems
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Theoretical Results on Multiple Alignment
- 4.1 Formal Complexity Analysis of MSA
- 4.2 Hardness Results for Special Cases of MSA
- 4.3 Inapproximability Results: How Close Can We Get to Optimal Solutions?
- 4.4 Lower Bounds and Upper Bounds in MSA Problems
- 4.5 Exploration of Related Problems and Their Intractability
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Algorithms for Multiple Sequence Alignment
- 5.1 Exact Algorithms for MSA
- 5.2 Heuristic Methods for Approximation (e.g., Progressive Alignment, ClustalW)
- 5.3 Metaheuristic Approaches (e.g., Genetic Algorithms, Simulated Annealing)
- 5.4 Polynomial-Time Approximation Algorithms
- 5.5 Complexity of Different Alignment Approaches
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Practical Implications and Applications of Intractability
- 6.1 Aligning Large Genomic Datasets: Challenges in the Real World
- 6.2 Practical Trade-offs Between Exact and Approximate Solutions
- 6.3 Sequence Alignment in Phylogenetics and Evolutionary Biology
- 6.4 Applications to Structural Biology and Drug Design
- 6.5 Case Studies in Bioinformatics: Understanding Protein and DNA Sequences
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Experimental Evaluation and Benchmarking
- 7.1 Performance Comparison of MSA Algorithms
- 7.2 Computational Complexity in Practice: Empirical Results
- 7.3 Benchmark Datasets and Experimental Setup
- 7.4 Comparison of Exact vs. Heuristic Algorithms
- 7.5 Scalability and Efficiency of Alignment Algorithms
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Advanced Topics in Multiple Sequence Alignment
- 8.1 Aligning Sequences with Gaps and Indels
- 8.2 Alignment in Non-Linear Spaces (e.g., Multiple Alignments with Structural Constraints)
- 8.3 Phylogeny-Informed Sequence Alignment
- 8.4 Alignment for Non-Biological Data (e.g., Strings, Graphs)
- 8.5 Integrating Machine Learning Approaches for Alignment Improvement
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Open Problems and Future Directions
- 9.1 Unsolved Problems in Multiple Sequence Alignment
- 9.2 Theoretical Advances and Directions for Complexity Research
- 9.3 New Approaches to Approximation and Heuristic Methods
- 9.4 Exploring Parallel and Distributed Computing for Large-Scale Alignments
- 9.5 Future Applications of MSA in Personalized Medicine and Genomics
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Conclusion
- 10.1 Summary of Findings on the Intractability of MSA
- 10.2 Implications for the Future of Computational Biology
- 10.3 Final Thoughts on Advancing Sequence Alignment Research
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