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On multivariate Vernic recursions
(Statistical report no. 34, Research report, 199907) 
On regular Frobenius bases
(Department of Pure Mathematics report no. 49, Research report, 198703) 
On Semiimplicit Splitting Schemes for the Beltrami Color Image Filtering
(Peer reviewed; Journal article, 2011)The Beltrami flow is an efficient nonlinear filter, that was shown to be effective for color image processing. The corresponding anisotropic diffusion operator strongly couples the spectral components. Usually, this flow ... 
On Semiimplicit Splitting Schemes for the Beltrami Color Image Filtering
(Peer reviewed; Journal article, 20110115)The Beltrami flow is an efficient nonlinear filter, that was shown to be effective for color image processing. The corresponding anisotropic diffusion operator strongly couples the spectral components. Usually, this flow ... 
On Shellsort and the Frobenius problem
(Department of Pure Mathematics report no. 48, Research report, 198702) 
On Solving a Three Phase Flow Model with Capillary Forces
(Master thesis, 19980710) 
On spiral eddies in the ocean
(Doctoral thesis, 2000) 
On stability in ideal compressible hydrodynamics
(Department of Applied Mathematics report, Research report, 197505) 
On strongly degenerate convectiondiffusion Problems modeling SedimentationConsolidation Processes
(Department of Applied Mathematics report, Research report, 199908) 
On the Brauer group of bielliptic surfaces (with an appendix by Jonas Bergström and Sofia Tirabassi)
(Journal article; Peer reviewed, 2022)We provide explicit generators of the torsion of the second cohomology of bielliptic surfaces, and we use this to study the pullback map between the Brauer group of a bielliptic surface and that of its canonical cover. 
On the Convergence Rate of Operator splitting for HamiltonJacobi Equations with Source Terms
(Department of Applied Mathematics report, Research report, 200002) 
On the convergence Rate of Operator splitting for weakly coupled Systems of HamiltonJacobi Equations.
(Department of Applied Mathematics report, Research report, 200006) 
On the existence of optimal controls for a singular stochastic control problem in finance.
(Department of Applied Mathematics report, Research report, 200011) 
On the extension giving the truncated Witt vectors
(Master thesis, 20150105)We explore the theory of cohomology of groups and the classification of group extensions with abelian kernel. We then look at the group extensions that underlie the truncated Witt vectors on the truncation set {1,p} where ... 
On the formation of coastal rogue waves in water of variable depth
(Journal article; Peer reviewed, 2023)Wave transformation is an intrinsic dynamic process in coastal areas. An essential part of this process is the variation of water depth, which plays a dominant role in the propagation features of water waves, including a ... 
On the formation of coastal rogue waves in water of variable depth
(Journal article; Peer reviewed, 2023)Wave transformation is an intrinsic dynamic process in coastal areas. An essential part of this process is the variation of water depth, which plays a dominant role in the propagation features of water waves, including a ... 
On the Formulation of Mass, Momentum and Energy Conservation in the KdV Equation
(Peer reviewed; Journal article, 201410)The Kortewegde Vries (KdV) equation is widely recognized as a simple model for unidirectional weakly nonlinear dispersive waves on the surface of a shallow body of fluid. While solutions of the KdV equation describe the ... 
On the influence of wave reflection on shoaling and breaking solitary Waves
(Peer reviewed; Journal article, 2016)A coupled BBM system of equations is studied in the situation of water waves propagating over a decreasing fluid depth. A conservation equation for mass and also a wave breaking criterion, both valid in the Boussinesq ... 
On the mass transport induced by timedependent oscillations of finite amplitude in a nonhomogeneous fluid. I: General results for a perfect gas
(Department of Applied Mathematics report, Research report, 197305) 
On the mass transport induced by timedependent oscillations of finite amplitude in a nonhomogeneous fluid. II: General results for a liquid
(Department of Applied Mathematics report, Research report, 197308)