Now showing items 23-42 of 738

    • Approximating Acyclicity Parameters of Sparse Hypergraphs 

      Fomin, Fedor; Golovach, Petr; Thilikos, Dimitrios (Conference object; Peer reviewed; Journal article, 2009)
      The notions of hypertree width and generalized hypertree width were introduced by Gottlob, Leone, and Scarcello (PODS'99, PODS'01) in order to extend the concept of hypergraph acyclicity. These notions were further generalized ...
    • Approximating cube roots of integers, after Heron’s Metrica III.20 

      Steihaug, Trond; Rogers, D. G. (Peer reviewed; Journal article, 2013)
    • Approximation algorithms in combinatorial scientific computing 

      Pothen, Alex; Ferdous, SM; Manne, Fredrik (Journal article; Peer reviewed, 2019)
      We survey recent work on approximation algorithms for computing degreeconstrained subgraphs in graphs and their applications in combinatorial scientific computing. The problems we consider include maximization versions of ...
    • Approximation in (poly-) logarithmic space 

      Biswas, Arindam; Raman, Venkatesh; Saurabh, Saket (Journal article; Peer reviewed, 2020)
      We develop new approximation algorithms for classical graph and set problems in the RAM model under space constraints. As one of our main results, we devise an algorithm for d–Hitting Set that runs in time nO(d2+(d/ε)), ...
    • Arrangement Problems Parameterized by Neighbourhood Diversity 

      Bakken, Olav Røthe (Master thesis, 2018-12-19)
      We show that the arrangement problems BANDWIDTH, DISTORTION and IMBALANCE is FPT when parameterized by neighbourhood diversity, and establish some structural results for CUTWIDTH parameterized by neighbourhood diversity.
    • Assessing and Mitigating Risks in Computer Systems 

      Netland, Lars-Helge (Doctoral thesis, 2008-09-26)
      When it comes to non-trivial networked computer systems, bulletproof security is very hard to achieve. Over a system's lifetime new security risks are likely to emerge from e.g. newly discovered classes of vulnerabilities ...
    • Associations Between Natural Physiological and Supraphysiological Estradiol Levels and Stress Perception 

      Leeners, Brigitte; Krüger, Tillman H.C.; Geraedts, Kirsten; Tronci, Enrico; Mancini, Toni; Egli, Marcel; Röblitz, Susanna; Saleh, Lanja; Spanaus, Katharina; Schippert, Cordula; Zhang, Y; Ille, Fabian (Peer reviewed; Journal article, 2019-06-11)
      Stress is a risk factor for impaired general, mental, and reproductive health. The role of physiological and supraphysiological estradiol concentrations in stress perception and stress processing is less well understood. ...
    • The Atlantic salmon genome provides insights into rediploidization 

      Lien, Sigbjørn; Koop, Ben F; Sandve, Simen Rød; Miller, Jason R.; Kent, Matthew Peter; Nome, Torfinn; Hvidsten, Torgeir Rhoden; Leong, Jong; Minkley, David R.; Zimin, Aleksey; Grammes, Fabian; Grove, Harald; Gjuvsland, Arne Bjørke; Walenz, Brian; Hermansen, Russell A.; von Schalburg, Kristian R.; Rondeau, Eric; Genova, Alex Di; Antony Samy, Jeevan Karloss; Vik, Jon Olav; Vigeland, Magnus Dehli; Caler, Lis; Grimholt, Unni; Jentoft, Sissel; Våge, Dag Inge; de Jong, Pieter J.; Moen, Thomas; Baranski, Matthew; Palti, Yniv; Smith, Douglas W.; Yorke, James A.; Nederbragt, Alexander J.; Tooming-Klunderud, Ave; Jakobsen, Kjetill Sigurd; Jiang, Xuanting; Fan, Dingding; Hu, Yan; Liberles, David A.; Vidal, Rodrigo; Iturra, Patricia; Jones, Steven J.M.; Jonassen, Inge; Maass, Alejandro; Omholt, Stig William; Davidson, William S (Peer reviewed; Journal article, 2016-05)
      The whole-genome duplication 80 million years ago of the common ancestor of salmonids (salmonid-specific fourth vertebrate whole-genome duplication, Ss4R) provides unique opportunities to learn about the evolutionary fate ...
    • An Atlas of the Human uORFome and its Regulation across Tissues 

      Tjeldnes, Håkon (Master thesis, 2018-06-19)
      Upstream open reading frames (uORFs) are in frame start and stop codons starting in the 5’ leader of mRNAs. They have been found to regulate gene expression, primarily through translational inhibition by hindering ribosomes ...
    • Attacks on Integer-RLWE 

      Budroni, Alessandro; Chetioui, Benjamin; Franch, Ermes (Journal article; Peer reviewed, 2020)
      In 2019, Gu Chunsheng introduced Integer-RLWE, a variant of RLWE devoid of some of its efficiency flaws. Most notably, he proposes a setting where n can be an arbitrary positive integer, contrarily to the typical construction ...
    • Augmented Reality in First Aid Training 

      Frøland, Tord Hettervik (Master thesis, 2019-01-25)
      For å få høygradserfaringer med å håndtere ulykker, er det nødvendig med live-trening. De må gjennomføres periodisk og er viktige i mange organisasjoner, men er dyre å sette opp. Nåværende metoder brukt i live-trening for ...
    • Automatic Differentiation of Third Order Derivatives using Forward Mode in C++ 

      Lium, Torbjørn (Master thesis, 2009-01-07)
      Automatic differentiation of third order derivatives is implemented in C++. The implementation uses uses object-orientation and operator overloading to perform the differentiation. A short introduction to operator overloading ...
    • Automatic interpretation of otoliths using deep learning 

      Moen, Endre; Handegard, Nils Olav; Allken, Vaneeda; Albert, Ole Thomas; Harbitz, Alf; Malde, Ketil (Peer reviewed; Journal article, 2018-12-17)
      The age structure of a fish population has important implications for recruitment processes and population fluctuations, and is a key input to fisheries-assessment models. The current method of determining age structure ...
    • Automatic interpretation of salmon scales using deep learning 

      Vabø, Rune; Moen, Endre; Smolinski, Szymon; Husebø, Åse; Handegard, Nils Olav; Malde, Ketil (Journal article; Peer reviewed, 2021)
      For several fish species, age and other important biological information is manually inferred from visual scrutinization of scales, and reliable automatic methods are not widely available. Here, we apply Convolutional ...
    • Autonomous mobile robots - Giving a robot the ability to interpret humanmovement patterns, and output a relevantresponse. 

      de Lange, Sindre Eik; Heilund, Stian Amland (Master thesis, 2019-06-28)
      The demographic challenges caused by the proliferation of people of advanced age, and the following large expense of care facilities, are faced by many western countries, including Norway (eldrebølgen). A common denominator ...
    • Axiom-Based Transformations: Optimisation and Testing 

      Bagge, Anya Helene; Haveraaen, Magne (Peer reviewed; Journal article, 2009-10-10)
      Programmers typically have knowledge about properties of their programs that aren't explicitly expressed in the code ­ properties that may be very useful for, e.g., compiler optimisation and automated testing. Although ...
    • Axis patterning by BMPs: cnidarian network reveals evolutionary constraints 

      Genikhovich, Grigory; Fried, Patrick; Prünster, M. Mandela; Schinko, Johannes B.; Gilles, Anna F.; Fredman, David; Meier, Karin; Iber, Dagmar; Technau, Ulrich (Peer reviewed; Journal article, 2015-03)
      BMP signaling plays a crucial role in the establishment of the dorso-ventral body axis in bilaterally symmetric animals. However, the topologies of the bone morphogenetic protein (BMP) signaling networks vary drastically ...
    • B-chromatic number: Beyond NP-hardness 

      Panolan, Fahad; Philip, Geevarghese; Saurabh, Saket (Conference object; Peer reviewed; Journal article, 2015)
      The b-chromatic number of a graph G, chi_b(G), is the largest integer k such that G has a k-vertex coloring with the property that each color class has a vertex which is adjacent to at least one vertex in each of the other ...
    • b-Coloring Parameterized by Clique-Width 

      Jaffke, Lars; Lima, Paloma Thome de; Lokshtanov, Daniel (Journal article; Peer reviewed, 2021)
      We provide a polynomial-time algorithm for b-Coloring on graphs of constant clique-width. This unifies and extends nearly all previously known polynomial-time results on graph classes, and answers open questions posed by ...
    • Balanced judicious bipartition is fixed-parameter tractable 

      Lokshtanov, Daniel; Saurabh, Saket; Sharma, Roohani; Zehavi, Meirav (Journal article; Peer reviewed, 2019)
      The family of judicious partitioning problems, introduced by Bollobás and Scott to the field of extremal combinatorics, has been extensively studied from a structural point of view for over two decades. This rich realm of ...