Browsing Matematisk institutt by Title
Now showing items 2227-2246 of 3782
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(Research report / Forskningsrapport, 1999)
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(Research report / Forskningsrapport, 1964)
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(Research report / Forskningsrapport, 1978)
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(Master thesis / Masteroppgave, 2011)Oppgaven omhandler komplett positive matriser, det vil si matriser som kan skrives på formen A = BB^T der B er elementvis ikkenegativ. Hovedproblemet i denne teorien er å avgjøre hvorvidt en matrise er komplett positiv. I ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)Cardiac muscle cells can exhibit complex patterns including irregular behaviour such as chaos or (chaotic) early afterdepolarisations (EADs), which can lead to sudden cardiac death. Suitable mathematical models and their ...
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(Research report / Forskningsrapport, 2010)Predicting the reliability of software systems based on a component approach is inherently difficult, in particular due to failure dependencies between the software components. Since it is practically difficult to include ...
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(Research report / Forskningsrapport, 1978)
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(Research report / Forskningsrapport, 2004)The problem of constraint preservation for discretizations of non-linear PDEs is addressed on the example of the hyperbolic Yang-Mills equations in temporal gauge. These equations preserve a nonlinear divergence field ...
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(Research report / Forskningsrapport, 2010)This paper presents the corner velocity interpolation as bilinear and trilinear mixed finite elements on quadrilaterals and hexhahedra. The corner velocity interpolations are bilinear or trilinear vertex based barycentric ...
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)An old question of Mori asks whether in dimension at least three, any smooth specialization of a hypersurface of prime degree is again a hypersurface. A positive answer to this question is only known in degrees two and ...
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(Research report / Forskningsrapport, 1987)
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(Research report / Forskningsrapport, 2002)In this paper we investigate the recently introduced Malliavin approach compared to more classical approaches to find sensitivities of options in commodity and energy markets. The Malliavin approach has been developed in ...
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)Using a nonlinear evolution equation we examine the dependence of the dispersion of directional surface gravity waves on the Benjamin–Feir index (BFI) and crest length. A parameter for describing the deviation between the ...
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(Research report / Forskningsrapport, 1970)
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(Research report / Forskningsrapport, 1991)
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)We comment on the discretization of the Dirac equation using finite element spaces of differential forms. In order to treat perturbations by low order terms, such as those arising from electromagnetic fields, we develop ...
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)Environmental contours are used in structural reliability analysis of marine and coastal structures as an approximate means to locate the boundary of the distribution of environmental variables, and hence sets of environmental ...
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(Master thesis / Masteroppgave, 2018)
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)We generalize a recent construction of Exel and Pardo, from discrete groups acting on finite directed graphs to locally compact groups acting on topological graphs. To each cocycle for such an action, we construct a ...
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(Research report / Forskningsrapport, 2010)