Now showing items 141-160 of 291

    • Konvergens av Fourier rekker i Hilbert rom - en introduksjon til sampling teori. 

      Løvoll, Anders Rikard. (Master thesis, 2021)
      Klassisk kalkulus som omhandler studie av kontinuerlig forandring kan spores helt tilbake til 1600 tallet. Derimot mangler klassisk kalkulus evnen til å tilstrekkelig transformere naturlige prosesser som lyd, radiobølger ...
    • Kortspillet SET og dets underliggende matematikk 

      Holm, Morten. (Bachelor thesis, 2021)
      SET er et høyt priset kortspill hvor hvert kort har objekter med forskjellig fyll, farge og fasong. Målet med spillet er å finne SET som består av tre kort hver som følger en bestemt regel for hvordan de kan slås sammen ...
    • Kumada-Corriu coupling in synthesis of PAHs 

      Hovland, Lone; Røyland, Marita Finnesand (Master thesis, 2022)
      The thesis explores the Kumada-Corriu coupling reaction as a possible handle to further functionalize PAHs. The starting material used was different types of triflate bearing PAHs. An attempt at preparing phenanthren-9-yl ...
    • Kumada-Corriu coupling in synthesis of PAHs 

      Hovland, Lone; Røyland, Marita Finnesand (Master thesis, 2022)
      The thesis explores the Kumada-Corriu coupling reaction as a possible handle to further functionalize PAHs. The starting material used was different types of triflate bearing PAHs. An attempt at preparing phenanthren-9-yl ...
    • Lattice Monte Carlo simulation and phase transitions in scalar field theories 

      Vembe, Jon (Masteroppgave/UIS-HF-IMF/2019;, Master thesis, 2019-06-15)
      The cubic anisotropy model is a simple scalar field theory with a phase transition of either first- or second order depending on the values of its parameters, with similarities to the electroweak phase transition that ...
    • Lattice study of static quark-antiquark interactions in dense quark matter 

      Astrakhantsev, Nikita Yu.; Bornyakov, Vitaly G.; Braguta, Victor V.; Ilgenfritz, Ernst-Michael; Kotov, Andrey Yuryevich; Nikolaev, Alexander A.; Rothkopf, Alexander Karl (Peer reviewed; Journal article, 2019-05)
      In this paper we study the interactions among a static quark-antiquark pair in the presence of dense two-color quark matter with lattice simulation. To this end we compute Polyakov line correlation functions and determine ...
    • Learning the nonlinear flux function of a hidden scalar conservation law from data 

      Li, Qing; Evje, Steinar (Peer reviewed; Journal article, 2023-10)
      Nonlinear conservation laws are widely used in fluid mechanics, biology, physics, and chemical engineering. However, deriving such nonlinear conservation laws is a significant and challenging problem. A possible attractive ...
    • Left-Invariant Pseudo-Riemannian Metrics on Lie Groups 

      Markestad, Styrbjørn Juhl (Masteroppgave/UIS-TN-IMF/2020;, Master thesis, 2020)
      n differential geometry and mathematical physics, there is interest in left-invariant pseudo-Riemannian metrics on Lie groups. We learn and review Lie theory, representation theory, geometric invariant theory, and differential ...
    • Lil3 dimerization and chlorophyll binding in Arabidopsis thaliana 

      Mork-Jansson, Astrid Elisabeth; Gargano, Daniela; Kmiec, Karol; Furnes, Clemens; Shevela, Dmitriy; Eichacker, Lutz (Peer reviewed; Journal article, 2015)
      The two-helix light harvesting like (Lil) protein Lil3 belongs to the family of chlorophyll binding light harvesting proteins of photosynthetic membranes. A function in tetrapyrrol synthesis and stabilization of geranylgeraniol ...
    • Lithiation of Carbon terminated silicon Carbide Surface 

      Forcham, Gana Kingsly (Masteroppgave/UIS-TN-IMF/2019;, Master thesis, 2019-06-14)
      With the aim of searching for a promising Anode material for lithium ion batteries, quantum espresso modelling of the introduction of Lithium into the carbon terminated Silicon Carbide (SiC) Surface layers with the bottom ...
    • Lithiation of Silicon Carbide. 

      Acharya, Sushil (Masteroppgave/UIS-TN-IMF/2018;, Master thesis, 2018-06-15)
      Nowadays, different material like: lithium, silicon, germanium and tin are under investigation as possible anode materials for Lithium ion batteries (LIBs.) The function of anode in LIB is to accommodate the lithium ion ...
    • Log-density gradient covariance and automatic metric tensors for Riemann manifold Monte Carlo methods 

      Kleppe, Tore Selland (Peer reviewed; Journal article, 2023)
      A metric tensor for Riemann manifold Monte Carlo particularly suited for nonlinear Bayesian hierarchical models is proposed. The metric tensor is built from symmetric positive semidefinite log-density gradient covariance ...
    • Lokal trendestimering av Covid-19-smitte ved bayesiansk analyse 

      Adrian Serigstad (Bachelor thesis, 2021)
      Dette studiet tar for seg trendmodellen for Covid-19-smitte publisert i Stavanger Aftenblad. Hensikten er å videreformidle trendmodellens bayesianske bakteppe og fremheve bayesiansk analyse som metode for estimering under ...
    • Low Z-4OHtam concentrations are associated with adverse clinical outcome among early stage premenopausal breast cancer patients treated with adjuvant tamoxifen 

      Helland, Thomas; Naume, Bjørn; Hustad, Steinar; Bifulco, Ersilia; Kvaløy, Jan Terje; Sætersdal, Anna Barbro; Synnestvedt, Marit; Lende, Tone Hoel; Gilje, Bjørnar; Mjaaland, Ingvil; Weyde, Kjetil; Blix, Egil Støre; Wiedswang, Gro; Borgen, Elin; Hertz, Daniel Louis; Janssen, Emiel; Mellgren, Gunnar; Søiland, Håvard (Peer reviewed; Journal article, 2020)
      Low steady‐state levels of active tamoxifen metabolites have been associated with inferior treatment outcomes. In this retrospective analysis of 406 estrogen receptor‐positive breast cancer (BC) patients receiving adjuvant ...
    • Mapping of misconceptions concerning the carbon cycle - a quantitative survey of students in lower secondary and upper secondary school. 

      Lunde, Eirik Midbøe (Master thesis, 2022)
      This study aims to map what misconceptions students in lower secondary and upper secondary school possess concerning the carbon cycle. Data was gathered quantitatively using an anony- mous survey. Over 200 students from ...
    • Markov chain Monte Carlo 

      Nordhaug, Benjamin Hansen (Bachelor thesis, 2022)
      Denne bachelor avhandlingen går tar for seg Markovkjede og introduserer Metropolis-Hastings algoritmer. Avhandlingen går mer dypt inn i diskret tid Markovkjede. Metropolis-Hastings algoritme en type Markovkjede Monte Carlo. ...
    • Matching the Nonequilibrium Initial Stage of Heavy Ion Collisions to Hydrodynamics with QCD Kinetic Theory 

      Kurkela, Aleksi; Mazeliauskas, Aleksas; Paquet, Jean-Francois; Schlichting, Sören; Teaney, Derek (Peer reviewed; Journal article, 2019-03)
      High-energy nuclear collisions produce a nonequilibrium plasma of quarks and gluons which thermalizes and exhibits hydrodynamic flow. There are currently no practical frameworks to connect the early particle production in ...
    • Mathematical Analysis of Two Competing Cancer Cell Migration Mechanisms Driven by Interstitial Fluid Flow 

      Evje, Steinar; Winkler, Michael (Peer reviewed; Journal article, 2020-04)
      Recent experimental work has revealed that interstitial fluid flow can mobilize two types of tumor cell migration mechanisms. One is a chemotactic-driven mechanism where chemokine (chemical component) bounded to the ...
    • Mathematical and Numerical Aspects of Scalar Nonlinear Conservation Laws 

      Bhatti, Farrukh Abbas (Master thesis, 2023)
      This thesis delves deeply into numerical solutions to nonlinear conservation laws. It focuses largely on the Method of Characteristics, its application in solving conservation laws, and the implementation of solutions in ...
    • A mathematical approach to Wick rotations 

      Helleland, Christer (PhD thesis UiS;536, Doctoral thesis, 2020-09)
      In this thesis we define Wick-rotations mathematically using pseudo-Riemannian geometry, and relate Wick-rotations to real geometric invariant theory (GIT). We discover some new results concerning the existence of Wick ...