Algorithms for width-parameters of digraphs and their applications
Algorithms for width-parameters of digraphs and their applications
批准号:
23500026
负责人:
TAMAKI Hisao
金额:
$2.91万
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:
2011
资助国家:
日本
项目状态:
已结题
起止时间:
2011 至 2013
中文摘要
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英文摘要
For the problem of computing the pathwidth of digraphs, an XP algorithm (with running time n to the O(k), where n is the number of vertices and k is the pathwidth, and an algorithm with running time O(1.89 to the nth), were developed. The first version of the XP algorithm contained an essential flaw, and a considerable amount of time was spent for fixing the error. As applications, FPT algorithms for two-layer graph drawing problems were developed.
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A Linear Edge Kernel for Two-Layer Crossing Minimization
一种用于两层交叉最小化的线性边核
DOI:
--
发表时间:
2013
期刊:
COCOON
影响因子:
--
作者:
[Yasuaki Kobayashi, Hirokazu Maruta, Yusuke Nakae, Hisao Tamaki]
通讯作者:
Hisao Tamaki
Constant-factor approximations of branch-decomposition and largest grid minor of planar graphs in O(n^<1+ϵ>) time
O(n^<1+ϵ>) 时间内平面图的分支分解和最大网格次要常数因子近似
DOI:
--
发表时间:
2011
期刊:
Theor. Comput. Sci
影响因子:
--
作者:
[Qian-Ping Gu, Hisao Tamaki]
通讯作者:
Hisao Tamaki
Computing Directed Pathwidth in O(1.89^ n ) Time
在 O(1.89^ n ) 时间内计算定向路径宽度
DOI:
--
发表时间:
2012
期刊:
IPEC 2012
影响因子:
--
作者:
[Kenta Kitsunai, Yasuaki Kobayashi, Keita Komuro, Hisao Tamaki, Toshihiro Tano]
通讯作者:
Toshihiro Tano
Computing Directed Pathwidth in O(1.89 n ) Time
在 O(1.89 n ) 时间内计算定向路径宽度
DOI:
--
发表时间:
2011
期刊:
IPEC 2012
影响因子:
--
作者:
[Kenta Kitsunai, Yasuaki Kobayashi, Keita Komuro, Hisao Tamaki, Toshihiro Tano]
通讯作者:
Toshihiro Tano
DOI:
10.1007/s00453-011-9589-z
发表时间:
2013
期刊:
Algorithmica
影响因子:
1.1
作者:
[Takehiro Ito, Yuichiro Miyamoto, Hirotaka Ono, Hisao Tamaki, Ryuhei Uehara]
通讯作者:
Ryuhei Uehara
共 11 条
Extending the branch-decomposition algorithm for planar graphs to broader class of graphs
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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
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依托单位:
Polynomial time algorithm for dualizing a monotone DNF
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批准号:10680365
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$0.83万
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财政年份:1998
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负责人:TAMAKI Hisao
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依托单位:
Approximation algoirithms for route optimization problems : exploiting geometric structures and application to large scale problems
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批准号:10205225
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项目类别:Grant-in-Aid for Scientific Research on Priority Areas (B)
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资助金额:$5.76万
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财政年份:1998
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负责人:TAMAKI Hisao
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依托单位:
海外基金