Suchergebnisse - "POLYNOMIAL time algorithms"
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Minimal Control Nodes for Strong Structural Observability of Discrete-Time Iterative Systems: Explicit Formulas and Polynomial-Time Algorithms
ISSN: 0018-9286, 1558-2523Veröffentlicht: New York The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 01.04.2024Veröffentlicht in IEEE transactions on automatic control (01.04.2024)“… In this article, we initiate an important class of vertex-marked directed graphs, referred to as the strong structurally observable graphs (SSOGs), to be the …”
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Critical (P5,dart)-free graphs
ISSN: 0166-218XVeröffentlicht: Elsevier B.V 15.05.2025Veröffentlicht in Discrete Applied Mathematics (15.05.2025)“… Given two graphs H1 and H2, a graph is (H1,H2)-free if it contains no induced subgraph isomorphic to H1 nor H2. A dart is the graph obtained from a diamond by …”
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Colouring graphs with no induced six-vertex path or diamond
ISSN: 0304-3975, 1879-2294Veröffentlicht: Elsevier B.V 04.01.2023Veröffentlicht in Theoretical computer science (04.01.2023)“… The diamond is the graph obtained by removing an edge from the complete graph on 4 vertices. A graph is (P6, diamond)-free if it contains no induced subgraph …”
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Polynomial-time algorithms for multimarginal optimal transport problems with structure
ISSN: 0025-5610, 1436-4646Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.05.2023Veröffentlicht in Mathematical programming (01.05.2023)“… Multimarginal Optimal Transport (MOT) has attracted significant interest due to applications in machine learning, statistics, and the sciences. However, in …”
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Acyclic matching in some subclasses of graphs
ISSN: 0304-3975Veröffentlicht: Elsevier B.V 17.01.2023Veröffentlicht in Theoretical computer science (17.01.2023)“… A subset M⊆E of edges of a graph G=(V,E) is called a matching if no two edges of M share a common vertex. Given a matching M in G, a vertex v∈V is called …”
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Scheduling with jobs at fixed positions
ISSN: 0377-2217Veröffentlicht: Elsevier B.V 16.10.2024Veröffentlicht in European journal of operational research (16.10.2024)“… In this paper, we study classical single machine scheduling problems with the additional constraint that a set of special jobs must be scheduled at certain …”
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Critical (P5, bull)-free graphs
ISSN: 0166-218X, 1872-6771Veröffentlicht: Elsevier B.V 31.07.2023Veröffentlicht in Discrete Applied Mathematics (31.07.2023)“… Given two graphs H1 and H2, a graph is (H1,H2)-free if it contains no induced subgraph isomorphic to H1 or H2. Let Pt be the path on t vertices. A bull is the …”
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Maximum-width rainbow-bisecting empty annulus
ISSN: 0925-7721Veröffentlicht: Elsevier B.V 01.06.2024Veröffentlicht in Computational geometry : theory and applications (01.06.2024)“… Given a set of n colored points with k colors in the plane, we study the problem of computing a maximum-width rainbow-bisecting empty annulus (of objects …”
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IoTAthena: Unveiling IoT Device Activities From Network Traffic
ISSN: 1536-1276, 1558-2248Veröffentlicht: New York IEEE 01.01.2022Veröffentlicht in IEEE transactions on wireless communications (01.01.2022)“… The recent spate of cyber attacks towards Internet of Things (IoT) devices in smart homes calls for effective techniques to understand, characterize, and …”
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On the geometric red-blue set cover problem
ISSN: 0304-3975Veröffentlicht: Elsevier B.V 07.04.2025Veröffentlicht in Theoretical computer science (07.04.2025)“… Using various geometric objects, we study variations of the geometric Red-Blue Set Cover (RBSC) problem in R2. Here, given two sets R and B of points, called …”
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Independent sets of maximum weight beyond claw-free graphs and related problems
ISSN: 0304-3975Veröffentlicht: Elsevier B.V 29.03.2025Veröffentlicht in Theoretical computer science (29.03.2025)“… The maximum weight independent set problem (WIS), which is known to be generally NP-hard, admits polynomial-time solutions when restricted to graphs in some …”
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Minimal Control Nodes for Strong Structural Observability of Discrete-Time Iteration Systems: Explicit Formulas and Polynomial-Time Algorithms
ISSN: 0018-9286Veröffentlicht: IEEE 03.11.2023Veröffentlicht in IEEE transactions on automatic control (03.11.2023)“… In this paper, we initiate an important class of vertex-marked directed graphs, referred to as the strong structurally observable graphs (SSOGs), which are the …”
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List-k-Coloring H-Free Graphs for All k>4
ISSN: 0209-9683, 1439-6912Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.10.2024Veröffentlicht in Combinatorica (Budapest. 1981) (01.10.2024)“… Given an integer k > 4 and a graph H , we prove that, assuming P ≠ NP, the List- k -Coloring Problem restricted to H -free graphs can be solved in polynomial …”
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Induced star partition of graphs
ISSN: 0166-218X, 1872-6771Veröffentlicht: Elsevier B.V 15.10.2022Veröffentlicht in Discrete Applied Mathematics (15.10.2022)“… Given a graph G, we call a partition (V1,V2,…,Vk) of its vertex set an induced star partition of G if each set in the partition induces a star. In this paper, …”
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Stable Matching with Uncertain Linear Preferences
ISSN: 0178-4617, 1432-0541Veröffentlicht: New York Springer US 01.05.2020Veröffentlicht in Algorithmica (01.05.2020)“… We consider the two-sided stable matching setting in which there may be uncertainty about the agents’ preferences due to limited information or communication …”
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New algorithms for minimizing the weighted number of tardy jobs on a single machine
ISSN: 0254-5330, 1572-9338Veröffentlicht: New York Springer US 01.03.2021Veröffentlicht in Annals of operations research (01.03.2021)“… In this paper we study the classical single machine scheduling problem where the objective is to minimize the weighted number of tardy jobs. Our analysis …”
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Hypergeometric L-functions in average polynomial time, II
ISSN: 2522-0160, 2363-9555Veröffentlicht: Cham Springer International Publishing 01.03.2025Veröffentlicht in Research in number theory (01.03.2025)“… We describe an algorithm for computing, for all primes p ≤ X , the trace of Frobenius at p of a hypergeometric motive over Q in time quasilinear in X . This …”
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Polynomially solvable personnel rostering problems
ISSN: 0377-2217, 1872-6860Veröffentlicht: Amsterdam Elsevier B.V 16.02.2016Veröffentlicht in European journal of operational research (16.02.2016)“… •Polynomially solvable cases for personnel rostering are identified.•New minimum cost network flow reformulations of rostering are presented.•Different classes …”
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Reconfiguration of Spanning Trees with Degree Constraints or Diameter Constraints
ISSN: 0178-4617, 1432-0541Veröffentlicht: New York Springer US 01.09.2023Veröffentlicht in Algorithmica (01.09.2023)“… We investigate the complexity of finding a transformation from a given spanning tree in a graph to another given spanning tree in the same graph via a sequence …”
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Resilient Network Coding in the Presence of Byzantine Adversaries
ISSN: 0018-9448, 1557-9654Veröffentlicht: New York IEEE 01.06.2008Veröffentlicht in IEEE transactions on information theory (01.06.2008)“… Network coding substantially increases network throughput. But since it involves mixing of information inside the network, a single corrupted packet generated …”
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