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检索条件"主题词=Fixed-parameter tractable algorithm"
12 条 记 录,以下是1-10 订阅
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fixed-parameter tractable algorithm and Polynomial Kernel for Max-Cut Above Spanning Tree
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THEORY OF COMPUTING SYSTEMS 2020年 第1期64卷 62-100页
作者: Madathil, Jayakrishnan Saurabh, Saket Zehavi, Meirav Homi Bhabha Natl Inst Inst Math Sci Chennai Tamil Nadu India Univ Bergen Dept Informat Bergen Norway Ben Gurion Univ Negev Dept Comp Sci Beer Sheva Israel
Every connected graph on n vertices has a cut of size at least n - 1. We call this bound the spanning tree bound. In the MAX-CUT ABOVE SPANNING TREE (MAXCUT-AST) problem, we are given a connected n-vertex graph G and ... 详细信息
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FINDING DETOURS IS fixed-parameter tractable
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SIAM JOURNAL ON DISCRETE MATHEMATICS 2019年 第4期33卷 2326-2345页
作者: Bezakova, Ivona Curticapean, Radu Dell, Holger Fomin, Fedor, V Rochester Inst Technol Dept Comp Sci Rochester NY 14623 USA Basic Algorithms Res Copenhagen Copenhagen Denmark IT Univ Copenhagen Copenhagen Denmark Univ Bergen Dept Informat N-5020 Bergen Norway
We consider the following natural "above-guarantee"" parameterization of the classical Longest Path problem: For given vertices s and t of a graph G and integer k, the Longest Detour problem asks for an... 详细信息
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Imbalance is fixed parameter tractable
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INFORMATION PROCESSING LETTERS 2013年 第19-21期113卷 714-718页
作者: Lokshtanov, Daniel Misra, Neeldhara Saurabh, Saket Univ Calif San Diego San Diego CA 92103 USA Inst Math Sci Chennai 600113 Tamil Nadu India
In the IMBALANCE MINIMIZATION problem we are given a graph G = (V, E) and an integer b and asked whether there is an ordering v(1) ... v(n) of V such that the sum of the imbalance of all the vertices is at most b. The... 详细信息
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fixed-parameter tractability of scheduling dependent typed tasks subject to release times and deadlines
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JOURNAL OF SCHEDULING 2024年 第2期27卷 119-133页
作者: Hanen, Claire Kordon, Alix Munier Sorbonne Univ CNRS LIP6 F-75005 Paris France Univ Paris Nanterre UPL F-92000 Nanterre France
Scheduling problems involving a set of dependent tasks with release dates and deadlines on a limited number of resources have been intensively studied. However, few parameterized complexity results exist for these pro... 详细信息
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Finding branch-decompositions and rank-decompositions
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SIAM JOURNAL ON COMPUTING 2008年 第3期38卷 1012-1032页
作者: Hlineny, Petr Oum, Sang-Il Masaryk Univ Fac Informat Brno 60200 Czech Republic Korea Adv Inst Sci & Technol Dept Math Sci Taejon 305701 South Korea
We present a new algorithm that can output the rank-decomposition of width at most k of a graph if such exists. For that we use an algorithm that, for an input matroid represented over a fixed finite field, outputs it... 详细信息
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An FPT 2-Approximation for Tree-Cut Decomposition
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algorithmICA 2018年 第1期80卷 116-135页
作者: Kim, Eun Jung Oum, Sang-il Paul, Christophe Sau, Ignasi Thilikos, Dimitrios M. CNRS LAMSADE Paris France Korea Adv Inst Sci & Technol Dept Math Sci Daejeon South Korea Univ Montpellier CNRS LIRMM Montpellier France Univ Athens Dept Math Athens Greece Comp Technol Inst Press Diophantus Patras Greece
The tree-cut width of a graph is a graph parameter defined by Wollan (J Combin Theory, Ser B, 110:47-66, 2015) with the help of tree-cut decompositions. In certain cases, tree-cut width appears to be more adequate tha... 详细信息
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parameterized algorithms for min-max multiway cut and list digraph homomorphism
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JOURNAL OF COMPUTER AND SYSTEM SCIENCES 2017年 86卷 191-206页
作者: Kim, Eun Jung Paul, Christophe Sau, Ignasi Thilikos, Dimitrios M. PSL Res Univ Univ Paris Dauphine CNRS LAMSADE Paris France CNRS LIRMM Montpellier France Univ Athens Dept Math Athens Greece Comp Technol Inst & Press Diophantus Patras Greece
We design FPT-algorithms for the following problems. The first is LIST DIGRAPH HOMOMORPmsm: given two digraphs G and H, with order n and h, respectively, and a list of allowed vertices of H for every vertex of G, does... 详细信息
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Discrete multi-module capacitated lot-sizing problems with multiple items
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OPERATIONS RESEARCH LETTERS 2022年 第2期50卷 168-175页
作者: Kulkarni, Kartik Bansal, Manish Virginia Tech Dept Ind & Syst Engn 250 Durham Hall1145 Perry St Blacksburg VA 24060 USA
We study single-item discrete multi-module capacitated lot-sizing problems without and with backlogging where the amount produced in each time period is equal to the summation of binary multiples of the capacities of ... 详细信息
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From tree-decompositions to clique-width terms
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DISCRETE APPLIED MATHEMATICS 2018年 248卷 125-144页
作者: Courcelle, Bruno CNRS Labri F-33405 Talence France Bordeaux Univ F-33405 Talence France
Tree-width and clique-width are two important graph complexity measures that serve as parameters in many fixed-parameter tractable algorithms. We give two algorithms that transform tree-decompositions represented by n... 详细信息
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parameterized complexity of finding small degree-constrained subgraphs
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JOURNAL OF DISCRETE algorithmS 2012年 第1期10卷 70-83页
作者: Amini, Omid Sau, Ignasi Saurabh, Saket ENS DMA CNRS Paris France LIRMM CNRS Montpellier France Inst Math Sci Madras Tamil Nadu India
In this article we study the parameterized complexity of problems consisting in finding degree-constrained subgraphs, taking as the parameter the number of vertices of the desired subgraph. Namely, given two positive ... 详细信息
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