Now showing items 484-503 of 8142

    • 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 ...
    • The BABAR detector: Upgrades, operation and performance 

      Eigen, Gerald; Stugu, Bjarne Sandvik; Sun, Liang; Aubert, Bernard; Asgeirsson, David J.; Atmacan, Hulya; Blinov, Vladimir E.; Bondioli, Mario; Brown, David Nathan; Buzykaev, Alexey; Campagnari, Claudio; Cheng, Chih-Hsiang; Druzhinin, Vladimir P.; Garra Tico, Jordi; Eisner, Alan M.; Gary, J. William; Golubev, Vladimir B.; Grauges, Eugeni; Hearty, Christopher; Hong, Tae Min; Kerth, Leroy T.; Khan, Akram; Kirby, David S.; Koch, Helmut; Kolomensky, Yury G.; Kovalskyi, Dmytro; Kravchenko, Evgeniy A.; Kroseberg, Jurgen; Lankford, Andrew J.; Lees, Jean-Pierre; Liu, Feng; Lockman, William S.; Long, Owen; Lynch, Gerald; Mandelkern, Mark A.; Martinez, Alfonso Joel; Mattison, Tom S.; McKenna, Janis A.; Richman, Jeffrey D.; Schroeder, Torsten; Schumm, Bruce Andrew; Seiden, Abe; Serednyakov, Sergey I.; Skovpen, Yuri I.; So, Rocky Y.; Solodov, Evgeni Petrovich; Tisserand, Vincent; Todyshev, Korneliy Yu.; Vitug, Gil M.; West, Christopher A.; BABAR, Collaboration (Peer reviewed; Journal article, 2013-11-21)
      The BaBar detector operated successfully at the PEP-II asymmetric e+e− collider at the SLAC National Accelerator Laboratory from 1999 to 2008. This report covers upgrades, operation, and performance of the collider and the ...
    • Back to Africa: monitoring post-hydropower restoration to facilitate reintroduction of an extinct-in-the-wild amphibian 

      Vandvik, Vigdis; Måren, Inger Elisabeth; Ndangalasi, Henry J.; Taplin, James; Mbago, Frank; Lovett, Jon C. (Peer reviewed; Journal article, 2014-08-11)
      Monitoring of the ecological efficiency of different restoration and mitigation measures is important to inform decision-making but can be challenging, especially in remote and low-resource settings. Species composition ...
    • Bacterial biofilms on the kelp Laminaria hyperborea 

      Bengtsson, Mia M. (Doctoral thesis, 2011-03-23)
      This thesis deals with bacterial communities in biofilms on the surfaces of the kelp Laminaria hyperborea and their roles in carbon cycling. Kelp forests are characterized by high biodiversity and productivity, and cycling ...
    • Bacterial community composition responds to changes in copepod abundance and alters ecosystem function in an Arctic mesocosm study 

      Tsagaraki, Tatiana Margo; Pree, Bernadette; Leiknes, Øystein; Larsen, Aud; Bratbak, Gunnar; Øvreås, Lise; Egge, Jorun Karin; Spanek, Roman; Paulsen, Maria Lund; Olsen, Yngvar; Vadstein, Olav; Thingstad, T. Frede (Peer reviewed; Journal article, 2018)
      Combining a minimum food web model with Arctic microbial community dynamics, we have suggested that top-down control by copepods can affect the food web down to bacterial consumption of organic carbon. Pursuing this ...
    • Bacterial Community Profiling of Tropical Freshwaters in Bangladesh 

      Azmuda, Nafisa; Fakruddin, Md.; Khan, Sirajul Islam; Birkeland, Nils-Kåre (Peer reviewed; Journal article, 2019)
      Seasonal and spatial variations in the bacterial communities of two tropical freshwater sources in Bangladesh, Lake Dhanmondi in central Dhaka, and a pond in the outskirts of Dhaka, were assessed and compared using PCR-DGGE ...
    • Bacterial community structures in the Arctic Ocean: the effect of increased carbon load on nutrient competition and bacterial diversity 

      Töpper, Birte (Doctoral thesis, 2012-06-29)
      The Arctic Ocean is a unique marine environment with respect to irradiation periodicity and intensity, temperature, ice formation and strong stratification. Changes due to global warming might be more pronounced in this ...
    • Bacterial growth control in marine environments : from experimental approaches to comparative analyses 

      Cuevas, Luis Antonio (Doctoral thesis, 2010-12-14)
      To understand (1) the role of heterotrophic bacteria in the biogeochemical cycles, (2) the fate of the organic carbon and mineral nutrients, and (3) the flow of energy to higher trophic levels, we need to understand how ...
    • Bacterial growth response to copepod grazing in aquatic ecosystems 

      Vargas, Cristian A.; Cuevas, Luis Antonio; González, Humberto E.; Daneri, Giovanni (Peer reviewed; Journal article, 2007)
      The growth rate response of bacterial communities to the potential increase of dissolved organic matter (DOM) produced by the copepod Acartia tonsa was assessed in experiments conducted in three stations representing three ...
    • Bacterial proteins with cleaved or uncleaved signal peptides of the general secretory pathway 

      De Souza, Gustavo Antonio; Leversen, Nils Anders; Målen, Hiwa; Wiker, Harald G (Peer reviewed; Journal article, 2011-12-21)
      Correct protein compartmentalization is a key step for molecular function and cell viability, and this is especially true for membrane and externalized proteins of bacteria. Recent proteomic reports of Bacillus subtilis ...
    • Bacterial Response to Permafrost Derived Organic Matter Input in an Arctic Fjord 

      Müller, Oliver; Seuthe, Lena; Bratbak, Gunnar; Paulsen, Maria Lund (Peer reviewed; Journal article, 2018-08-06)
      The warming of the Arctic causes increased riverine discharge, coastal erosion, and the thawing of permafrost. Together, this is leading to an increased wash out of terrestrial dissolved organic matter (tDOM) into the ...
    • Bacteriophages targeting pathogenic bacteria isolated from lumpfish (Cyclopterus lumpus L.) and Atlantic salmon (Salmo salar L.) 

      Tolås, Anne Helene Paulsen (Master thesis, 2020-12-03)
      Bacterial diseases in aquaculture lead to reduced health and mortality of fish as well as economic consequences for the producer. Antibiotics are an important antimicrobial to control bacterial diseases, however, concerns ...
    • Balance functions of (un)identified hadrons in Pb–Pb, p–Pb, and pp collisions at the LHC 

      Pan, Jinjin; Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; Langøy, Rune; Lien, Jørgen André; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration (Peer reviewed; Journal article, 2019-02)
      In ultrarelativistic heavy-ion collisions, correlations of particles with opposite quantum numbers provide insight into quark production mechanisms and time scales, collective motion, and re-scattering in the hadronic ...
    • Balanced harvest : concept, policies, evidence, and management implications 

      Zhou, Shijie; Kolding, Jeppe; Garcia, Serge M.; Plank, Michael J.; Bundy, Alida; Charles, Anthony; Hansen, Cecilie; Heino, Mikko Petteri; Howell, Daniel; Jacobsen, Nis S.; Reid, David G.; Rice, Jake C.; van Zwieten, Paul A.M. (Peer reviewed; Journal article, 2019-06-11)
      Balanced harvest has been proposed to reduce fishing impact on ecosystems while simultaneously maintaining or even increasing fishery yield. The concept has attracted broad interest, but also received criticisms. In this ...
    • Balanced harvest: Utopia, failure, or a functional strategy? 

      Kolding, Jeppe; Garcia, Serge M.; Zhou, Shijie; Heino, Mikko Petteri (Peer reviewed; Journal article, 2016-04-21)
      Since “balanced harvest” was proposed in 2010 as a possible tool in the operationalization of the ecosystem approach to fisheries (EAF), the concept gained extensive international attention. Because maintaining ecosystem ...
    • 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 ...
    • Ballan wrasse (Labrus bergylta) predation on hatchery reared scallop (Pecten maximus) spat 

      Oppegård, Guri Gunnes (Master thesis, 2005)
      Sea ranching of the great scallop (Pecten maximus) may have a high potential for future aquaculture in Norway. The edible crab (Cancer pagurus) and starfish (Asterias rubens) have been identified as the major predators, ...
    • Barents Sea capelin and us; Do they really mature and migrate at 14cm? Or have we become prisoners in our own Platonic allegory? How shall we respond? 

      Seal, Henry (Master thesis, 2018-06-15)
      Capelin (Mallotus Villosus) are an important component of the Barents Sea ecosystem. As zooplankton consumers they play a role in channelling energy up the food web, and they have the potential to represent a biomass of ...
    • Barents Sea ice cover reflects Atlantic inflow 

      Årthun, Marius; Eldevik, Tor; Smedsrud, Lars Henrik; Skagseth, Øystein (2011)
      The recent Arctic winter sea-ice retreat is most pronounced in the Barents Sea. Using available observations of the Atlantic inflow to the Barents Sea and results from a regional ice-ocean model we assess the role of ...