186,808 research outputs found

    Tarjan, P.

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    Tarjan path expression code

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    Implementation of the Tarjan path expression code for calculating paths with structural constraints in semantic graphs.</p

    Tylencholaimus brevicaudatus Tarjan 1956

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    &lt;p&gt; 26. &lt;i&gt;Tylencholaimus&lt;/i&gt; &lt;i&gt;brevicaudatus&lt;/i&gt; (Tarjan,1953).&lt;/p&gt; &lt;p&gt;Monsters 5 en 9. Deze soort is reeds uit Europa bekend (Loof, 1961, Coomans, 1962).&lt;/p&gt;Published as part of &lt;i&gt;Rossen, H. v. &amp; Loof, P. A. A., 1962, Notities Over Het Voorkomen Van Enkele Aaltjessoorten In Zweden, pp. 185-188 in Verslagen en Mededelingen Plantenziektenkundige Dienst Wageningen 136&lt;/i&gt; on page 187, DOI: &lt;a href="http://zenodo.org/record/10845163"&gt;10.5281/zenodo.10845163&lt;/a&gt

    Simple Parallel Randomized Connected Components Algorithms

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    We study three simple algorithms for concurrently computing connected components in a randomized setting, A, S and P. These algorithms were previously studied in a deterministic setting by Liu and Tarjan, who provided an O(log2n)O(\log^2 n) step bound for A and S, with P remaining unanalyzed.\footnote{We use log\log to denote the base two logarithm} In a randomized setting, we provide O(logn)O(\log n) and O(lognloglogn)O(\log n \log \log n) step bounds for A and S respectively, and a O(log2nloglogn)O(\frac{\log^2 n}{\log \log n}) bound for P. All results hold with high probability

    Simple Parallel Randomized Connected Components Algorithms

    No full text
    We study three simple algorithms for concurrently computing connected components in a randomized setting, A, S and P. These algorithms were previously studied in a deterministic setting by Liu and Tarjan, who provided an O(log2n)O(\log^2 n) step bound for A and S, with P remaining unanalyzed.\footnote{We use log\log to denote the base two logarithm} In a randomized setting, we provide O(logn)O(\log n) and O(lognloglogn)O(\log n \log \log n) step bounds for A and S respectively, and a O(log2nloglogn)O(\frac{\log^2 n}{\log \log n}) bound for P. All results hold with high probability

    Simple Parallel Randomized Connected Components Algorithms

    No full text
    We study three simple algorithms for concurrently computing connected components in a randomized setting, A, S and P. These algorithms were previously studied in a deterministic setting by Liu and Tarjan, who provided an O(log2n)O(\log^2 n) step bound for A and S, with P remaining unanalyzed.\footnote{We use log\log to denote the base two logarithm} In a randomized setting, we provide O(logn)O(\log n) and O(lognloglogn)O(\log n \log \log n) step bounds for A and S respectively, and a O(log2nloglogn)O(\frac{\log^2 n}{\log \log n}) bound for P. All results hold with high probability

    On the embedding phase of the Hopcroft and Tarjan planarity testing algorithm

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    We give a detailed description of the embedding phase of the Hopcroft and Tarjan planarity testing algorithm. The embedding phase runs in linear time. An implementation based on this paper can be found in [Mehlhorn-Mutzel-Naeher-94]

    On the Embedding Phase of the Hopcroft and Tarjan Planarity Testing Algorithm

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    We give a detailed description of the embedding phase of the Hopcroft and Tarjan planarity testing algorithm. The embedding phase runs in linear time. An implementation based on this paper can be found in [Mehlhorn, Mutzel, Näher, 1993]

    Improved time bounds for the maximum flow problem

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    Also issued as: Working paper (Sloan School of Management) ; WP no. 1966-87Includes bibliographical references (p. 18-19).Research supported by the National Science Foundation. DCR-8605962 Research supported by the Office of Naval Research. NOOO14-87-K-0467by Ravindra K. Ahuja, James B. Orlin and Robert E. Tarjan
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