| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Research Abstract |
Many practical optimization problems are known to be NP-hard, which is the class of computationally intractable problems. In this study, we gave design and complexity analysis of efficient exact algorithms for such computationally difficult problems. As a result, we obtained improved algorithms for the satisfiability problems of Boolean circuits and the CNF maximum satisfiability problem. We also gave subexponential time algorithms for the minimum arrangement problem and robust algorithms for the constraint satisfaction problems.
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