Blar i Department of Mathematics på tittel
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Daily Contributors of Tinnitus Loudness and Distress: An Ecological Momentary Assessment Study
(Journal article; Peer reviewed, 2022)Background: Tinnitus is a heterogeneous condition which may be associated with moderate to severe disability, but the reasons why only a subset of individuals is burdened by the condition are not fully clear. Ecological ... 
Danning av kvervlar og frontar på submesoskala i havet
(Master thesis, 2001) 
DarSIA: An OpenSource Python Toolbox for TwoScale Image Processing of Dynamics in Porous Media
(Journal article; Peer reviewed, 2023)Understanding porous media flow is inherently a multiscale challenge, where at the core lies the aggregation of porelevel processes to a continuum, or Darcyscale, description. This challenge is directly mirrored in image ... 
Data on gender contrasts in the risk of incident myocardial infarction by age. The Tromsø Study 19792012
(Peer reviewed; Journal article, 201708)The data presented in this article relate to the research article entitled “Risk of incident myocardial infarction by gender: Interactions with serum lipids, blood pressure and smoking. The Tromsø Study 1979–2012” (Albrektsen ... 
Data science approaches provide a roadmap to understanding the role of abscisic acid in defence
(Journal article; Peer reviewed, 2023)Abscisic acid (ABA) is a plant hormone well known to regulate abiotic stress responses. ABA is also recognised for its role in biotic defence, but there is currently a lack of consensus on whether it plays a positive or ... 
DataDriven Inference Reveals Distinct and Conserved Dynamic Pathways of Tool Use Emergence across Animal Taxa
(Journal article; Peer reviewed, 2020)Tool use is a striking aspect of animal behavior, but it is hard to infer how the capacity for different types of tool use emerged across animal taxa. Here we address this question with HyperTraPS, a statistical approach ... 
DCCGARCH modeller med ulike avhengighetsstrukturer
(Master thesis, 20130314)Hovedfokuset i denne oppgaven er å finne gode metoder for modellering av volatilitet og avhengighetsstruktur i finansielle porteføljer. En spesifikk multivariat GARCH modell, Dynamic Conditional Correlation (DCC) GARCH, ... 
Decay estimates of Green's matrices for discretetime linear periodic systems
(Journal article; Peer reviewed, 2023)We study periodic Lyapunov matrix equations for a general discretetime linear periodic system Bpxp−Apxp−1=fp, where the matrix coefficients Bp and Ap can be singular. The block coefficients of the inverse operator of the ... 
Decay of solitary waves of fractional Kortewegde Vries type equations
(Journal article; Peer reviewed, 2023)We study the solitary waves of fractional Kortewegde Vries type equations, that are related to the 1 dimensional semilinear fractional equations: Dαu + u − f (u) = 0, with α ∈ (0, 2), a prescribed coefficient p∗(α), ... 
Decline in temperature variability on Svalbard
(Journal article; Peer reviewed, 2020)The variability in the temperature on Svalbard, Norway, has been decreasing over the last four decades. This may be due to the reduction in sea ice, transitioning the regional climate to a more stable, coastal one.We ... 
Decreased severity of the Omicron variant of concern: further evidence from Italy
(Journal article; Peer reviewed, 2022) 
Deformations of rational surface singularities and reflexive modules with an application to flops
(Peer reviewed; Journal article, 2018)Blowing up a rational surface singularity in a reflexive module gives a (any) partial resolution dominated by the minimal resolution. The main theorem shows how deformations of the pair (singularity, module) relates to ... 
Degenerate ConvectionDiffusion Equations and Implicit Monotone Difference Schemes
(Department of Applied Mathematics report, Research report, 199803) 
A Dense Gas Model of Combined Transports and Distributions of Solutes in the Interstitium including Steric and Electrostatic Exclusion Effects, and Comparison with Experimental Data
(Master thesis, 20100527)Mathematical modeling of physiological fluid systems is regarded as an important tool for further understanding of circulatory properties. The interstitium is a fluid filled space outside the cells in the body, and all ... 
Derivation and numerical solution of fully nonlinear and fully dispersive water wave model equations
(Doctoral thesis, 20170609)The water wave theory is a classical part of Fluid Mechanics. It has a long scientific history with a great number of mathematical results [10, 32]. The first studies in this field were done by Stokes in 1847 [34]. He ... 
Derivation of Boussinesq's shoaling law using a coupled BBM system
(Peer reviewed; Journal article, 20130314)This paper is focused on finding rules for waveheight change in a solitary wave as it runs up a slowly increasing bottom. A coupled BBM system is used to describe the solitary waves. Expressions for energy density and ... 
Derived equivalences of canonical covers of hyperelliptic and Enriques surfaces in positive characteristic
(Peer reviewed; Journal article, 2019)We prove that any Fourier–Mukai partner of an abelian surface over an algebraically closed field of positive characteristic is isomorphic to a moduli space of Giesekerstable sheaves. We apply this fact to show that the ... 
Derived Logarithmic Hochschild Homology
(Master thesis, 20180627) 
A description of daphnicle dynamics based on kinetic theory: Attempts at analoguemodelling of swarming and behaviour of Daphnia
(Department of Applied Mathematics report, Research report, 200106) 
Design of a monitoring program in a varying marine environment
(Master thesis, 20150914)In this thesis we develop methods for optimal design of a monitoring program for offshore geological CO2 storage. The goal is to find the layout of fixed chemical sensors at the seafloor that maximizes the probability of ...