Blar i Publikasjoner fra CRIStin på emneord "VDP::Matematikk og Naturvitenskap: 400::Matematikk: 410"
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covsim: An R Package for Simulating Non-normal Data for Structural Equation Models Using Copulas
(Peer reviewed; Journal article, 2022)In factor analysis and structural equation modeling non-normal data simulation is traditionally performed by specifying univariate skewness and kurtosis together with the target covariance matrix. However, this leaves ... -
Fourier quasicrystals with unit masses.
(Peer reviewed; Journal article, 2020)The sum of δ-measures sitting at the points of a discrete set Λ⊂R forms a Fourier quasicrystal if and only if Λ is the zero set of an exponential polynomial with imaginary frequencies. -
Functorially finite hearts, simple-minded systems in negative cluster categories, and noncrossing partitions
(Peer reviewed; Journal article, 2022)Let Q be an acyclic quiver and w 1 be an integer. Let C−w(kQ) be the (−w)-cluster category of kQ. We show that there is a bijection between simple-minded collections in Db(kQ) lying in a fundamental domain of C−w(kQ) and ... -
Interpolation of weighted extremal functions
(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 ... -
Learning Parameterized ODEs From Data
(Peer reviewed; Journal article, 2023)In contemporary research, neural networks are being used to derive Ordinary Differential Equations (ODEs) from observations. However, parameterized ODEs pose a more significant challenge than non-parameterized ODEs since ... -
Learning the nonlinear flux function of a hidden scalar conservation law from data
(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 ... -
Mathematical Analysis of Two Competing Cancer Cell Migration Mechanisms Driven by Interstitial Fluid Flow
(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 ... -
A Two-Period Game Theoretic Model of Zero-Day Attacks with Stockpiling
(Peer reviewed; Journal article, 2020-12)In a two-period game, Player 1 produces zero-day exploits for immediate deployment or stockpiles for future deployment. In Period 2, Player 1 produces zero-day exploits for immediate deployment, supplemented by stockpiled ...