A Linear Time Quantum Algorithm for Pairwise Sequence Alignment
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
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2023
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| _version_ | 1866916931368386560 |
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| author | Khan, Md. Rabiul Islam Shahriar, Shadman Rafid, Shaikh Farhan |
| author_facet | Khan, Md. Rabiul Islam Shahriar, Shadman Rafid, Shaikh Farhan |
| contents | Sequence Alignment is the process of aligning biological sequences in order to identify similarities between multiple sequences. In this paper, a Quantum Algorithm for finding the optimal alignment between DNA sequences has been demonstrated which works by mapping the sequence alignment problem into a path-searching problem through a 2D graph. The transition, which converges to a fixed path on the graph, is based on a proposed oracle for profit calculation. By implementing Grover's search algorithm, our proposed approach is able to align a pair of sequences and figure out the optimal alignment within linear time, which hasn't been attained by any classical deterministic algorithm. In addition to that, the proposed algorithm is capable of quadratic speeding up to any unstructured search problem by finding out the optimal paths accurately in a deterministic manner, in contrast to existing randomized algorithms that frequently sort out the sub-optimal alignments, therefore, don't always guarantee of finding out the optimal solutions. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2307_04479 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | A Linear Time Quantum Algorithm for Pairwise Sequence Alignment Khan, Md. Rabiul Islam Shahriar, Shadman Rafid, Shaikh Farhan Data Structures and Algorithms Computational Engineering, Finance, and Science Genomics Sequence Alignment is the process of aligning biological sequences in order to identify similarities between multiple sequences. In this paper, a Quantum Algorithm for finding the optimal alignment between DNA sequences has been demonstrated which works by mapping the sequence alignment problem into a path-searching problem through a 2D graph. The transition, which converges to a fixed path on the graph, is based on a proposed oracle for profit calculation. By implementing Grover's search algorithm, our proposed approach is able to align a pair of sequences and figure out the optimal alignment within linear time, which hasn't been attained by any classical deterministic algorithm. In addition to that, the proposed algorithm is capable of quadratic speeding up to any unstructured search problem by finding out the optimal paths accurately in a deterministic manner, in contrast to existing randomized algorithms that frequently sort out the sub-optimal alignments, therefore, don't always guarantee of finding out the optimal solutions. |
| title | A Linear Time Quantum Algorithm for Pairwise Sequence Alignment |
| topic | Data Structures and Algorithms Computational Engineering, Finance, and Science Genomics |
| url | https://arxiv.org/abs/2307.04479 |