讲个故事逗他
发表于 2025-3-25 04:22:35
https://doi.org/10.1385/1592599281 provide a complete dichotomy for the problem: if . has no two vertices sharing two common neighbors, then the problem can be solved in time ., otherwise there is no algorithm working in time ., even in intersection graphs of segments, unless the ETH fails. This generalizes several known results con
legislate
发表于 2025-3-25 07:38:07
https://doi.org/10.1007/978-981-10-4511-0ubgraph of the .-power of some tree .. In particular, . is a . . if all vertices in .(.) are leaf-nodes of .. Our main contribution is a polynomial-time recognition algorithm of 4-Steiner powers, thereby extending the decade-year-old results of (Lin, Kearney and Jiang, .) for . and (Chang and Ko, .)
flavonoids
发表于 2025-3-25 12:42:34
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Phagocytes
发表于 2025-3-25 16:42:10
Molecular Diagnostics in Cancer Patientss well-known that a necessary condition for . to be tractable in such a class (unless P = NP) is that the set of forbidden induced subgraphs includes a subdivided star ., for some .. Here, . is the graph obtained by taking three paths of length . and identifying one of their endpoints..It is an inte
黄油没有
发表于 2025-3-25 22:26:33
Molecular Diagnostics in Cytopathologyranch decomposition. It was introduced by Norine and intended as a tool for the structural study of matching covered graphs, especially in the context of Pfaffian orientations. Norine conjectured that graphs of high perfect matching width contain a large grid as a matching minor, similar to the resu
思想
发表于 2025-3-26 01:09:40
Molecular Diagnostics of Cancerg each vertex choose its side of the cut uniformly at random. This does not require any communication and achieves an approximation ratio of at least . in average. When the graph is .-regular and triangle-free, a slightly better approximation ratio can be achieved with a randomized algorithm running
Irritate
发表于 2025-3-26 07:43:16
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Intellectual
发表于 2025-3-26 09:27:05
Philip M. Dean,Richard A. Lewisst . such that . is .-minor-free. For . and . this encodes . and . respectively. When parameterized by the feedback vertex number of . these two problems are known to admit a polynomial kernelization. Such a polynomial kernelization also exists for any . containing a planar graph but no forests..In
激怒
发表于 2025-3-26 16:08:15
https://doi.org/10.1007/978-1-349-11044-5 computational problem to consider is the flip distance: Given two objects, what is the minimum number of flips needed to transform one into the other?.We consider flip graphs on so-called .-orientations of a graph ., in which every vertex . has a specified outdegree ., and a flip consists of revers
Predigest
发表于 2025-3-26 18:53:40
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