New systolic arrays for the longest common subsequence problem
β Scribed by Yen-Chun Lin
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 555 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0167-8191
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We show that the fixed alphabet shortest common supersequence (SCS) and the fixed alphabet longest common subsequence (LCS) problems parameterized in the number of strings are W Β½1-hard. Unless W Β½1 ΒΌ FPT; this rules out the existence of algorithms with time complexity of OΓ° f Γ°kΓn a Γ for those pro