• Identification of the flux function of nonlinear conservation laws with variable parameters 

      Li, Qing; Geng, Jiahui; Evje, Steinar (Peer reviewed; Journal article, 2023-09)
      Machine learning methods have in various ways emerged as a useful tool for modeling the dynamics of physical systems in the context of partial differential equations (PDEs). Nonlinear conservation laws (NCLs) of the form ...
    • Importance Sampling-based Transport Map Hamiltonian Monte Carlo for Bayesian Hierarchical Models 

      Osmundsen, Kjartan Kloster; Kleppe, Tore Selland; Liesenfeld, Roman (Peer reviewed; Journal article, 2021-06)
      We propose an importance sampling (IS)-based transport map Hamiltonian Monte Carlo procedure for performing a Bayesian analysis in nonlinear high-dimensional hierarchical models. Using IS techniques to construct a transport ...
    • Improved background subtraction and a fresh look at jet sub-structure in JEWEL 

      Milhano, José Guilherme; Zapp, Korinna Christine (Peer reviewed; Journal article, 2022)
      Interactions of hard partons in the Quark Gluon Plasma (QGP) created with relativistic heavy ion collisions lead to characteristic modifications of the internal structure of reconstructed jets. A large part of the observed ...
    • Improved Gauss law model and in-medium heavy quarkonium at finite density and velocity 

      Lafferty, David; Rothkopf, Alexander Karl (Peer reviewed; Journal article, 2020-03)
      We explore the in-medium properties of heavy-quarkonium states at finite baryochemical potential and finite transverse momentum based on a modern complex-valued potential model. Our starting point is a novel, rigorous ...
    • In-medium kinetic theory of D mesons and heavy-flavor transport coefficients 

      Torres-Rincon, Juan M.; Montaña, Glòria; Ramos, Àngels; Rigueiro, Laura Tolos (Peer reviewed; Journal article, 2022)
      We extend the kinetic theory of D mesons to accommodate thermal and off-shell effects due to the medium modification of the heavy-meson spectral functions. From the Kadanoff-Baym approach we derive the off-shell Fokker-Planck ...
    • Information in Local Curvature: Three Papers on Adaptive Methods in Computational Statistics 

      Lunde, Berent Ånund Strømnes (PhD thesis UiS;562, Doctoral thesis, 2020-11)
      Advanced statistical computations have become increasingly important, as with the increased flexibility of models capturing complex relationships in new data and use-cases, comes increased difficulties of fitting procedures ...
    • Inhomogeneous chiral condensate in the quark-meson model 

      Adhikari, Prabal; Andersen, Jens Oluf; Kneschke, Patrick (Journal article, 2017)
      The two-flavor quark-meson model is used as a low-energy effective model for QCD to study inhomogeneous chiral condensates at finite baryon chemical potential μ B. The parameters of the model are determined by matching the ...
    • Inkludering av FNs bærekraftsmål i kjemiutdanningene Embracing the UN sustainability goals into the Chemistry educations 

      Hadzic, Berina; Stensland, Åshild (Master thesis, 2022)
      Tema for denne masteroppgaven er utdanning for bærekraftig utvikling, og problemstillingen som belyses er «Hvordan kan Universitetet i Stavanger inkludere FNs bærekraftsmål i kjemiutdanningene?» Bakgrunnen for denne ...
    • Inkludering av FNs bærekraftsmål i kjemiutdanningene Embracing the UN sustainability goals into the Chemistry educations 

      Hadzic Berina; Stensland Åshild (Master thesis, 2022)
      Tema for denne masteroppgaven er utdanning for bærekraftig utvikling, og problemstillingen som belyses er «Hvordan kan Universitetet i Stavanger inkludere FNs bærekraftsmål i kjemiutdanningene?» Bakgrunnen for denne ...
    • Interpolation of weighted extremal functions 

      Rashkovskii, Alexander (Peer reviewed; Journal article, 2021-03)
      An approach to interpolation of compact subsets of Cn, including Brunn–Minkowski type inequalities for the capacities of the interpolating sets, was developed in [8] by means of plurisubharmonic geodesics between relative ...
    • Introduction to graph theory: Classroom potential of core concepts 

      Finnestad, Hanne (Bachelor thesis, 2021)
      This thesis is an introduction to graph theory with its core concepts and formulas, including a look at the mostly untapped classroom potential of this field of mathematics. Included are in-depth explanations and proofs ...
    • Introduction to Supersymmetry 

      Åm, Onar (Masteroppgave/UIS-TN-IMF/2020;, Master thesis, 2020-06)
      This thesis covers the mathematical foundations of supersymmetry, and looks at the simplest non-trivial example of supersymmetry in physics, the Wess-Zumino model. On the way we will also explicitly calculate the Poincar´e ...
    • Invariant characterization of Szekeres models with positive cosmological constant 

      McNutt, David Duncan; Coley, Alan; Layden, Nicolas (Peer reviewed; Journal article, 2022-07)
      We present an invariant characterization of black holes in the Szekeres spacetime with positive cosmological constant. In the formation of the black holes, we locate geometric horizons, and show that they coincide with the ...
    • An Invariant Characterization of the Levi-Civita Spacetimes 

      Watson, Cooper; Julius, William; Gorban, Matthew; McNutt, David Duncan; Davis, Eric; Cleaver, Gerald (Peer reviewed; Journal article, 2021-08)
      In the years 1917–1919 Tullio Levi-Civita published a number of papers presenting new solutions to Einstein’s equations. This work, while partially translated, remains largely inaccessible to English speaking researchers. ...
    • Investigation of crystal field, magnetic frustration and magnetization reversal effects in 4f and 3d oxides 

      Kademane, Abhijit Bhat (PhD thesis UiS;, Doctoral thesis, 2022-09)
      This thesis deals with the investigation of single-ion excitations, magnetic frustration, and magnetization reversal phenomena. We have employed neutron scattering, μ+SR, and computational methods for these studies. Inverse ...
    • Investigation of glitches induced by single-crystal diamond compound refractive lenses based on crystal orientation 

      Zhang, Qiuyuan; Polikarpov, Maxim; Nataliya, Klimova; Larsen, Helge Bøvik; Mathiesen, Ragnvald; Emerich, Hermann; Thorkildsen, Gunnar; Snigireva, Irina; Snigirev, Anatoly (Peer reviewed; Journal article, 2019)
      Single-crystal diamond is considered as an ideal material for compound refractive lenses (usually abbreviated to “CRLs”) mainly due to its stability when bathed in strong X-ray radiation. Since CRLs come into operation by ...
    • Involutions of Quadrics 

      Kukalaj, Endrit (Masteroppgave/UIS-TN-IMF/2020;, Master thesis, 2020-07-09)
      In the introductory chapter, we will explain briefly what all this work is about. First is worthy to mention that the most included area is algebraic geometry, which of course is a combination of algebra and linear algebra. ...
    • 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 ...