Suchergebnisse - approximation algorithm

  1. 1

    A fast (2+27)-approximation algorithm for capacitated cycle covering von Traub, Vera, Tröbst, Thorben

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.03.2022
    Veröffentlicht in Mathematical programming (01.03.2022)
    “… We show that a greedy algorithm followed by a post-processing step yields a ( 2 + 2 7 ) -approximation for this problem by comparing the solution to a polymatroid relaxation …”
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  2. 2

    Additive approximation algorithm for geodesic centers in δ-hyperbolic graphs von Chakraborty, Dibyayan, Vaxès, Yann

    ISSN: 0304-3975
    Veröffentlicht: Elsevier B.V 17.09.2025
    Veröffentlicht in Theoretical computer science (17.09.2025)
    “… Our main contribution in this paper is to provide an additive O(δ)-approximation algorithm for k-Geodesic Center on δ-hyperbolic graphs …”
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  3. 3

    An improved approximation algorithm for Hypergraph Max p-Section von Li, Guangfeng, Sun, Jian, Gao, Jiaquan, Sun, Zhiren, Zhang, Xiaoyan

    ISSN: 0166-218X
    Veröffentlicht: Elsevier B.V 31.12.2025
    Veröffentlicht in Discrete Applied Mathematics (31.12.2025)
    “… In this paper, we address the design of an approximation algorithm for the well-known Hypergraph Max p-Section problem …”
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  4. 4

    An approximation algorithm for the k-prize-collecting hitting set problem: An Approximation Algorithm von Liu, Qin, Hou, Bo, Zhang, Gengsheng, Liu, Wen

    ISSN: 1862-4472, 1862-4480
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.06.2025
    Veröffentlicht in Optimization letters (01.06.2025)
    “… We study the k -prize-collecting hitting set problem in hypergraphs. We first design a greedy algorithm for the k -hitting set problem with approximation ratio min { k , Δ } , where Δ …”
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  5. 5

    Parallel-batch scheduling with rejection: Structural properties and approximation algorithms von Ou, Jinwen, Lu, Lingfa, Zhong, Xueling

    ISSN: 0377-2217
    Veröffentlicht: Elsevier B.V 01.11.2023
    Veröffentlicht in European journal of operational research (01.11.2023)
    “… )-approximation algorithm with a complexity of O(nlogn).•An efficient PTAS with a complexity of O …”
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  6. 6

    A -approximation algorithm for scheduling on two parallel machines with job delivery coordination von Chen, Yong, Zhang, An, Tan, Zhiyi, Xue, Ying, Chen, Guangting

    ISSN: 0160-5682, 1476-9360
    Veröffentlicht: Taylor & Francis 02.09.2021
    Veröffentlicht in The Journal of the Operational Research Society (02.09.2021)
    “… Integration of production and distribution operations at the scheduling level is one of the most important issues concerned in recent years in supply chain …”
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  7. 7

    An Approximation Algorithm for the h -Hop Independently Submodular Maximization Problem and Its Applications von Xu, Wenzheng, Xie, Hongbin, Wang, Chenxi, Liang, Weifa, Jia, Xiaohua, Xu, Zichuan, Zhou, Pan, Wu, Weigang, Chen, Xiang

    ISSN: 1063-6692, 1558-2566
    Veröffentlicht: New York IEEE 01.06.2023
    Veröffentlicht in IEEE/ACM transactions on networking (01.06.2023)
    “… This study is motivated by the maximum connected coverage problem (MCCP), which is to deploy a connected UAV network with given <inline-formula> <tex-math …”
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  8. 8

    A (1+ln2)-approximation algorithm for minimum-cost 2-edge-connectivity augmentation of trees with constant radius von Cohen, Nachshon, Nutov, Zeev

    ISSN: 0304-3975, 1879-2294
    Veröffentlicht: Elsevier B.V 10.06.2013
    Veröffentlicht in Theoretical computer science (10.06.2013)
    “… )-approximation algorithm for trees of constant radius. Our algorithm is based on a new decomposition of problem feasible solutions, and on an extension of Steiner Tree …”
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  9. 9

    Approximation Algorithm for the Minimum Interval Partial Multi‐Cover Problem von Ran, Yingli, Jin, Jianhong, Zhang, Zhao

    ISSN: 0028-3045, 1097-0037
    Veröffentlicht: Hoboken, USA John Wiley & Sons, Inc 01.04.2025
    Veröffentlicht in Networks (01.04.2025)
    “… ‐approximation algorithm for the MinIPMC problem …”
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  10. 10

    An approximation algorithm for the prize-collecting connected dominating set problem: An approximation algorithm for the prize-collecting von Zhang, Yaoyao, Zhang, Zhao, Du, Ding-Zhu

    ISSN: 1862-4472, 1862-4480
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.07.2025
    Veröffentlicht in Optimization letters (01.07.2025)
    “… In this paper, we present an O ( log | V | ) -approximation algorithm for PC-CDS …”
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  11. 11

    An improved approximation algorithm for the discrete Fréchet distance von Chan, Timothy M., Rahmati, Zahed

    ISSN: 0020-0190, 1872-6119
    Veröffentlicht: Elsevier B.V 01.10.2018
    Veröffentlicht in Information processing letters (01.10.2018)
    “… Our f-approximation algorithm runs in time O(nlog⁡n+n2/f2), for any f∈[1,n/log⁡n] and d=O(1), which improves (and, at the same time, slightly simplifies …”
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  12. 12

    A simple (2+ϵ)-approximation algorithm for Split Vertex Deletion von Drescher, Matthew, Fiorini, Samuel, Huynh, Tony

    ISSN: 0195-6698, 1095-9971
    Veröffentlicht: Elsevier Ltd 01.10.2024
    Veröffentlicht in European journal of combinatorics (01.10.2024)
    “… )-approximation algorithm, unless P=NP or the Unique Games Conjecture fails. For every ϵ>0, Lokshtanov, Misra, Panolan, Philip, and Saurabh (Lokshtanov et al., 2020 …”
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  13. 13

    An improved approximation algorithm for covering vertices by 4+-paths von Gong, Mingyang, Chen, Zhi-Zhong, Lin, Guohui, Wang, Lusheng

    ISSN: 1382-6905, 1573-2886
    Veröffentlicht: New York Springer US 01.04.2025
    Veröffentlicht in Journal of combinatorial optimization (01.04.2025)
    “… ) -time 2-approximation algorithm by applying several time-consuming local improvement operations (Gong et al …”
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  14. 14

    An approximation algorithm for k-level squared metric facility location problem with outliers: An approximation algorithm for k-level von Zhang, Li, Yuan, Jing, Li, Qiaoliang

    ISSN: 1862-4472, 1862-4480
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.01.2025
    Veröffentlicht in Optimization letters (01.01.2025)
    “… ) where the facilities in path p are opened. Based on primal-dual approximation algorithm and the property of squared metric triangle inequality, we present a constant factor …”
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  15. 15

    A primal–dual approximation algorithm for Minsat von Arif, Umair, Benkoczi, Robert, Gaur, Daya Ram, Krishnamurti, Ramesh

    ISSN: 0166-218X, 1872-6771
    Veröffentlicht: Elsevier B.V 15.10.2022
    Veröffentlicht in Discrete Applied Mathematics (15.10.2022)
    “… ) is the number of variables (clauses). As a by-product, we obtain a 2(1−1∕2k) approximation algorithm for the minimum satisfiability problem where k is the maximum number …”
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  16. 16

    A (1/2+1/60)—Approximation algorithm for Maximum Weight Series-Parallel Subgraph von Călinescu, Gruia, Wang, Xiaolang

    ISSN: 0166-218X, 1872-6771
    Veröffentlicht: Elsevier B.V 15.09.2024
    Veröffentlicht in Discrete Applied Mathematics (15.09.2024)
    “… We improve the approximation ratio for Maximum Weight Series-Parallel Subgraph from 1/2 to 1/2+1/60 …”
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  17. 17

    Exact and approximation algorithms for routing a convoy through a graph: Exact and approximation algorithms for routing a convoy through a graph von van Ee, Martijn, Oosterwijk, Tim, Sitters, René, Wiese, Andreas

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2025
    Veröffentlicht in Mathematical programming (01.09.2025)
    “… We study routing problems of a convoy in a graph, generalizing the shortest path problem (SPP), the travelling salesperson problem (TSP), and the Chinese …”
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  18. 18

    A survey of exact and approximation algorithms for linear-parametric optimization problems: A survey of exact and approximation algorithms von Nemesch, Levin, Ruzika, Stefan, Thielen, Clemens, Wittmann, Alina

    ISSN: 0925-5001, 1573-2916
    Veröffentlicht: New York Springer US 01.09.2025
    Veröffentlicht in Journal of global optimization (01.09.2025)
    “… Linear-parametric optimization, where multiple objectives are combined into a single objective using linear combinations with parameters as coefficients, has …”
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  19. 19

    A Fast O(N) Multiresolution Polygonal Approximation Algorithm for GPS Trajectory Simplification von Minjie Chen, Mantao Xu, Franti, P.

    ISSN: 1057-7149, 1941-0042, 1941-0042
    Veröffentlicht: New York, NY IEEE 01.05.2012
    Veröffentlicht in IEEE transactions on image processing (01.05.2012)
    “… process for a Web browser. To address this practical problem, we present a fast polygonal approximation algorithm in 2-D space for the GPS trajectory simplification under the so-called integral square synchronous distance …”
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  20. 20

    Approximation algorithms for the k+-star packing problem von Huang, Zhihua, Zhang, An, Gao, Mingqi, Sun, Jiayi, Chen, Yong

    ISSN: 0167-6377
    Veröffentlicht: Elsevier B.V 01.03.2025
    Veröffentlicht in Operations research letters (01.03.2025)
    “… =2. In this paper, we present an improved algorithm with a tight approximation ratio of 9/5 for k=2, and a k+ …”
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