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Polynomial time algorithm for dualizing a monotone DNF

Polynomial time algorithm for dualizing a monotone DNF
对偶单调 DNF 的多项式时间算法
批准号:
10680365
负责人:
TAMAKI Hisao
金额:
$0.83万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
1998
资助国家:
日本
项目状态:
已结题
起止时间:
1998 至 1999

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中文摘要
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英文摘要
The goal of this research project was to develop an algorithm for dualizing a boolean function given in DNF, that runs in time polynomial in the total size of the input and output. This problem is equivalent to the problem of generating all the minimal transversals of a given hypergraph. We were unable to achieve this ultimate goal. However, we discovered an algorithm for generating all the minimal transversals of a hypergraph using O (n log n) words of storage, where n is the size of the input hypergraph. The time complexity of this algorithm is quasi-polynomial and almost the same as the best known algorithm due to Fredman and Khachiyan. We have also discovered a polynomial time delay algorithm for generating all the minimal transversals of a given bounded-degree hypergraph.
期刊论文(5)
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科研奖励(0)
会议论文
Hisao Tamaki: "Approximation algorithms for geometric optimization problems"IEICE Transaction on Information and Systems. E83-D, No.3. 455-461 (2000)
Hisao Tamaki:“几何优化问题的近似算法”IEICE Transaction on Information and Systems。
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通讯作者:
Hisao Tamaki: "Space-efficient enumeration of minimal transversals of a hypergraph"IPSJ Research Report. 2000-AL-75. 29-36 (2000)
Hisao Tamaki:“超图最小横截面的空间有效枚举”IPSJ 研究报告。
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Qian-Ping Gu and Hisao Tamaki: "Multicolor routing in the undirected hypercube"Discrete Applied Mathematics. Vol.100 No.3. 169-181 (2000)
谷前平和玉木久雄:“无向超立方体中的多色路由”离散应用数学。
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C.Papadimitriou, P.Raghavan, H.Tamaki, and S.Vempala: "Latent semantic indexing : a probalistic analysis"Journal of Computer and System Sciences. 61 (2). 217-235 (2000)
C.Papadimitriou、P.Raghavan、H.Tamaki 和 S.Vempala:“潜在语义索引:概率分析”计算机与系统科学杂志。
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Algorithms for width-parameters of digraphs and their applications
  • 批准号:
    23500026
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 资助金额:
    $2.91万
  • 财政年份:
    2011
  • 负责人:
    TAMAKI Hisao
  • 依托单位:
Extending the branch-decomposition algorithm for planar graphs to broader class of graphs
  • 批准号:
    20500022
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 资助金额:
    $1.33万
  • 财政年份:
    2008
  • 负责人:
    TAMAKI Hisao
  • 依托单位:
Approximation algoirithms for route optimization problems : exploiting geometric structures and application to large scale problems
  • 批准号:
    10205225
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas (B)
  • 资助金额:
    $5.76万
  • 财政年份:
    1998
  • 负责人:
    TAMAKI Hisao
  • 依托单位:
国内基金
海外基金
超弦/M-理论、粒子物理相关问题的研究
  • 批准号:
    11105138
  • 项目类别:
    青年科学基金项目
  • 资助金额:
    24.0万元
  • 批准年份:
    2011
  • 负责人:
    肖志广
  • 依托单位: