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On the computations of the complete wave drift damping problem for a ship model 
Andonowati, A.; Grue, John (Research report / Forskningsrapport, 1999)
Stochastic partial differential equations driven by multiparameter fractional white noise 
Hu, Yaozhong; Øksendal, Bernt; Zhang, Tusheng (Research report / Forskningsrapport, 1999)
Representation Theory and Numerical AF-invariants. The representations and centralizers of certain states and Οd 
Bratteli, Ola; Jorgensen, Palle E.T.; Ostrovs'kyi, Vasyl' (Research report / Forskningsrapport, 1999)
Entropy of endomorphisms and relative entropy in finite von Neumann algebras 
Størmer, Erling (Research report / Forskningsrapport, 1999)
Optimal consumption and portfolio with both fixed and proportional transaction costs 
Øksendal, Bernt; Sulem, Agnès (Research report / Forskningsrapport, 1999)
TWO-PRIMARY ALGEBRAIC K-THEORY OF TWO-REGULAR NUMBER FIELDS 
Rognes, John; Østvær, Paul Arne (Research report / Forskningsrapport, 1999)
The strong Euler scheme for stochastic differential equations driven by Lévy processes 
Løkka, Arne (Research report / Forskningsrapport, 1999)
DECIDABILITY OF THE ISOMORPHISM PROBLEM FOR STATIONARY AF-ALGEBRAS 
Bratteli, Ola; Jorgensen, Palle E.T.; Kim, Ki Hang; Roush, Fred (Research report / Forskningsrapport, 1999)
On infinite tensor products of projective unitary representations 
Bedos, Erik Christopher; Conti, Roberto (Research report / Forskningsrapport, 1999)
A Hasse norm theorem in higher algebraic K-theory 
Østvær, Paul Arne (Research report / Forskningsrapport, 1999)
MONOID EXTENSIONS ADMITTING COCYCLES 
Pavel, Liliana; Sund, Terje (Research report / Forskningsrapport, 1999)
Optimal consumption and portfolio with both fixed and proportional transaction costs 
Øksendal, Bernt; Sulem, Agnès (Research report / Forskningsrapport, 1999)
On multiplicative bias correction in kernel density estimation 
Jones, M.C.; Signorini, D.F.; Hjort, Nils Lid (Research report / Forskningsrapport, 1999)
TWO-PRIMARY ALGEBRAIC K-THEORY OF POINTED SPACES 
Rognes, John (Research report / Forskningsrapport, 1999)
Optimal portfolio in a fractional Black & Scholes market 
Hu, Yaozhong; Øksendal, Bernt; Sulem, Agnès (Research report / Forskningsrapport, 1999)
TWO-PRIMARY ALGEBRAIC K-THEORY OF RINGS OF INTEGERS IN NUMBER FIELDS 
Rognes, John; Weibel, C. (Research report / Forskningsrapport, 1999)
TRACE SCALING AUTOMORPHISMS OF CERTAIN STABLE AF ALGEBRAS II 
Bratteli, Ola; Kishimoto, Akitaka (Research report / Forskningsrapport, 1999)
ON ALGEBRAIC K-THEORY SPECTRA 
Østvær, Paul Arne (Research report / Forskningsrapport, 1999)
Algebraic wild kernels at the prime 2 
Østvær, Paul Arne (Research report / Forskningsrapport, 1999)
CALCULATION OF TWO-PRIMARY ALGEBRAIC K-THEORY OF SOME GROUP RINGS 
Østvær, Paul Arne (Research report / Forskningsrapport, 1999)
Relations between Quantum Theory and Symmetry Structures in a Parameter Space for Statistical Experiments 
Helland, Inge S. (Research report / Forskningsrapport, 1999)
Mod K-theory and arithmetic 
Østvær, Paul Arne (Research report / Forskningsrapport, 1999)
A WHITE NOISE APPROACH TO STOCHASTIC NEUMANN BOUNDARY VALUE PROBLEMS 
Holden, Helge; Øksendal, Bernt (Research report / Forskningsrapport, 1999)
Restricted maximum likelihood from symmetry 
Helland, Inge S. (Research report / Forskningsrapport, 1999)
CONVERGENCE OF THE CASCADE ALGORITHM AT IRREGULAR SCALING FUNCTIONS 
Bratteli, Ola; Jorgensen, Palle E.T. (Research report / Forskningsrapport, 1999)
Correction of density estimators which are not densities 
Glad, Ingrid K.; Hjort, Nils Lid; Ushakov, Nikolai G. (Research report / Forskningsrapport, 1999)
Complexification of Bohr-Sommerfeld conditions. 
Tyurin, Andrei (Research report / Forskningsrapport, 1999)
Buckling of Stiffened Plates using a Shanley Model Approach 
Steen, Eivind (Research report / Forskningsrapport, 1999)
The Shanley model concept is used for simulating the elastic non-linear interaction between local buckling and overall buckling of thin-walled columns subjected to axial compression. The spring foundation is given a general ...
On column slenderness limits 
Hellesland, Jostein (Research report / Forskningsrapport, 1999)
Two-primary algebraic K-theory of spaces, and related spaces of symmetries of manifolds 
Rognes, John (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 1999)
We outline the link between automorphisms (symmetries) of manifolds and algebraic K-theory of spaces. Then we discuss recent two-primary calculations for the algebraic K-theory of a point, and obtain a two-primary description ...
Towards Semiparametric Bandwith Selectors for Kernel Density Estimators 
Hjort, Nils Lid (Research report / Forskningsrapport, 1999)
There is an intense and partly recent literature focussing on the problems of selecting the bandwidth parameter for kernel density estimators. Available methods are largely 'very nonparametric', in the sense of not requiring ...
Tests for Constancy of Model Paratneters Over Time 
Hjort, Nils Lid (Research report / Forskningsrapport, 1999)
Suppose that a sequence of data points follows a distribution of a certain parametric form, but that one or more of the underlying parameters may change over time. This paper addresses various natural questions in such a ...
Frequentist Analogues of Priors and Posteriors 
Schweder, Tore; Hjort, Nils Lid (Research report / Forskningsrapport, 1999)
Independent data are efficiently integrated by adding their respective log-likelihoods. Instead of Bayesian updating of information, We propose to use the likelihood directly as a vehicle for coherent learning. If past ...
Deterministic and stochastic particle filters in state space models 
Bølviken, Erik; Storvik, Geir; Glöckner, Fredrik (Research report / Forskningsrapport, 1999)
Quantum Theory from Symmetries in a General Statistical Parameter Space 
Helland, Inge S. (Research report / Forskningsrapport, 1999)
Stochastic partial differential equations driven by multiparameter fractional white noise 
Hu, Yaozhong; Øksendal, Bernt; Zhang, Tusheng (Research report / Forskningsrapport, 1999)
Approximate Comparison of Statistical Experiments with Filtered Probability Spaces 
Norberg, Espen (Research report / Forskningsrapport, 1999)
A statistical experiment with a filtered probability space is called a filtered experiment. The paper introduces a concept of deficiency for filtered decision problems of one filtered experiment with respect to another. ...
Upper bounds for the I-MSE and max-MSE of kernel density estimators 
Hjort, Nils Lid; Ushakov, Nikolai G. (Research report / Forskningsrapport, 1999)
Correction of Density Estimators which are not Densities 
Glad, Ingrid K.; Hjort, Nils Lid; Ushakov, Nikolai G. (Research report, 1999)
A note on the Poisson limit for the number of system failures of a monotone system 
Aven, Terje; Jensen, Uwe (Research report / Forskningsrapport, 1999)
Relations between statistically and mechanistically derived models: Analysis of a food-chain with complicated dynamics 
Lindström, Torstein (Research report / Forskningsrapport, 1999)
THE WAVE DRIFT DAMPING MATRIX AND APPLICATIONS 
Grue, John; Finne, Stryk (Research report / Forskningsrapport, 1999)
Approaching regression methods through symmetry arguments 
Helland, Inge S. (Research report / Forskningsrapport, 1999)
A Comparison of two Sequential Metropolis-Hastings Algorithms with Standard Simulation Techniques in Bayesian Inference in Reliability Models Involving the Generalized Gamma Distribution 
Gåsemyr, Jørund; Natvig, Bent; Sørensen, Erik (Research report / Forskningsrapport, 1999)
In this paper we consider the generalized gamma distribution as introduced in Gåsemyr and Natvig (1998). This distribution enters naturally in Bayesian inference in exponential survival models with left censoring. In the ...
Mimicking Cox-regression 
Samuelsen, Sven Ove (Research report / Forskningsrapport, 1999)
Bayesian Inference Based on Partial Monitoring of Components with Applications to Preventive System Maintenance 
Gåsemyr, Jørund; Natvig, Bent (Research report / Forskningsrapport, 1999)
A note on kernel density estimators with optimal bandwidths 
Hjort, Nils Lid; Walker, Stephen G. (Research report / Forskningsrapport, 1999)
Accelerations in water waves by extended Particle Image Velocimetry 
Jensen, Atle; Sveen, Johan Kristian; Clamond, Didier; Grue, John (Research report / Forskningsrapport, 1999)
Optimal harvesting from interacting populations in a stochastic environment 
Lungu, Edward; Øksendal, Bernt (Research report / Forskningsrapport, 1999)
An experimental investigation of higher harmonic forces on a vertical cylinder 
Huseby, Morten; Grue, John (Research report / Forskningsrapport, 1999)
On the difference in the speed of gravity waves in a physical and numberical wave tank 
Jensen, Atle; Grue, John (Research report / Forskningsrapport, 1999)
Some inequalities for characteristic functions of densities with bounded variation 
Ushakov, Nikolai G.; Ushakov, Vladimir G. (Research report / Forskningsrapport, 1999)
AN OBSTRUCTION TO ISOMETRIC IMMERSIONS OF THE THREE DIMENSIONAL HEISENBERG GROUP INTO ℝ⁴ 
Rivertz, Hans Jakob (Research report / Forskningsrapport, 1999)
The extended version of this article was published in Ukrainian Mathematical Journal, 2009, vol 61(12), doi:10.1007/s11253-010-0324-8. https://doi.org/10.1007/s11253-010-0324-8
On the breaking and broadening of internal solitary waves propagating in stratified fluid 
Grue, John; Jensen, Atle; Rusås, Per-Olav; Sveen, Johan Kristian (Research report / Forskningsrapport, 1999)
HOMOGENEITY OF THE PURE STATE SPACE OF THE CUNTZ ALGEBRA 
Bratteli, Ola; Kishimoto, Akitaka (Research report / Forskningsrapport, 1999)
Optimal harvesting from interacting populations in a stochastic environment 
Lungu, Edward; Øksendal, Bernt (Research report / Forskningsrapport, 1999)
FRACTIONAL WHITE NOISE CALCULUS AND APPLICATIONS TO FINANCE 
Yaozhong, Hu; Øksendal, Bernt (Research report / Forskningsrapport, 1999)
ON THE CYCLOTOMIC TRACE MAP K(ℤ[Cp])->TC(ℤ[Cp]) 
Østvær, Paul Arne (Research report / Forskningsrapport, 1999)
Black & Scholes-formelen: En triumf for matematisk modellering i finans 
Øksendal, Bernt (Research report / Forskningsrapport, 1999)
Cross shelf transport introduced by the Lofoten Maelstrom 
Ommundsen, Atle (Research report / Forskningsrapport, 1999)
Particle tracking in idealized barotropic flow on the Catalan shelf 
Ommundsen, Atle (Research report / Forskningsrapport, 1999)
Mid term report for GITEC-TWO 
Pedersen, Geir; Langtangen, Hans Petter; Johnsgard, Helge; Gjevik, Bjørn (Research report / Forskningsrapport, 1998)
The report summarizes the work performed at the Department of Mathematics, during the first year of the European research project GITEC-TWO (contract ENV4-U96-0297). Some of the result will subsequently be published elsewhere ...
Non-robustness of some impulse control problems with respect to intervention costs 
Øksendal, Bernt; Ubøe, Jan; Zhang, Tusheng (Research report / Forskningsrapport, 1998)
Generators and comparison of entropies of automorphisms of finite von Neumann algebras 
Størmer, Erling; Golodets, V.Ya. (Research report / Forskningsrapport, 1998)
Stochastic control problems where small intervention costs have big effects 
Øksendal, Bernt (Research report / Forskningsrapport, 1998)
A numerical model for run-up of breaking waves 
Johnsgard, Helge (Research report / Forskningsrapport, 1998)
In the present paper the numerical method for three dimensional run-up, given in Johnsgard and Pedersen, Numerical methods in fluids, 1997, is extended to include wave breaking. In the fundamental problem of run-up of a ...
K3-surfaces of genus 8 and varieties of sums of powers of cubic fourfolds 
Iliev, Atanas; Ranestad, Kristian (Research report / Forskningsrapport, 1998)
THE COATES-SINNOTT CONJECTURE AND EIGENSPACES OF K-GROUPS 
Cornacchia, Pietro; Østvær, Paul Arne (Research report / Forskningsrapport, 1998)
The continuous functionals of finite types over the reals 
Normann, Dag (Research report / Forskningsrapport, 1998)
Stochastic differential games with controls - discussion of a specific example 
Øksendal, Bernt; Reikvam, Kristin (Research report / Forskningsrapport, 1998)
NON-STATIONARITY OF ISOMORPHISM BETWEEN AF ALGEBRAS DEFINED BY STATIONARY BRATTELI DIAGRAMS 
Bratteli, Ola; Jorgensen, Palle E.T.; Kim, Ki Hang; Roush, Fred (Research report / Forskningsrapport, 1998)
We show that the stable AF-algebras defined by two square primitive nonsingular incidence matrices with nonnegative integer matrix elements may be isomorphic even though no powers of the associated automorphisms of the ...
Solution to a class of monotone stochastic control problems by variational inequality methods 
Arntzen, Halvard (Research report / Forskningsrapport, 1998)
Generalized Futaki Invariant of Almost Fano Toric Varieties, Examples 
Yotov, M. (Research report / Forskningsrapport, 1998)
Asymptotic Properties of the Solutions to Stochastic KPP Equations 
Øksendal, Bernt; Våge, Gjermund; Zhao, Huaizhong (Research report / Forskningsrapport, 1998)
Irreversible Investment Problems 
Øksendal, Anders (Research report / Forskningsrapport, 1998)
An introduction to 3D discrete magnetic Laplacians and noncommutative 3-tori 
Bedos, Erik Christopher (Research report / Forskningsrapport, 1998)
Bayesian back-calculations with HIV seropositivity notifications 
Glad, Ingrid K. (Research report / Forskningsrapport, 1998)
COMPACTLY SUPPORTED WAVELETS AND REPRESENTATIONS OF THE CUNTZ RELATIONS 
Bratteli, Ola; Evans, David E.; Jorgensen, Palle E.T. (Research report / Forskningsrapport, 1998)
Application of the perturbation method to plate buckling problems 
Steen, Eivind (Research report / Forskningsrapport, 1998)
The perturbation method is applied in an incremental scheme for tracing non-linear equilibrium paths of structures which are subjected to a set of simultaneously acting external loads. The method is based on the discretesized ...
Preprint series. Oslo Scientific Computing Archive 
Unknown author (Series / Serietittel, 1998)
Final report for GITEC-TWO 
Pedersen, Geir; Langtangen, Hans Petter; Johnsgard, Helge; Gjevik, Bjørn (Research report / Forskningsrapport, 1998)
The report summarizes the work performed at the Department of Mathematics, during the first two years of the European research project GITEC-TWO (contract ENV4-U96-0297). Some of the result will subsequently be published ...
Computability over the partial continuous functionals 
Normann, Dag (Research report / Forskningsrapport, 1998)
We show that to every recursive total continuous functional there is a total functional below it that is S1-S9 computable in the hierarchy of partial continuous functionals, or equivalently, that is PCF-definable in the ...
Statistical inference under a fixed symmetry group 
Helland, Inge S. (Research report / Forskningsrapport, 1998)
A White Noise Approach to Stochastic Differential Equations Driven by Wiener and Poisson Processes 
Holden, Helge; Øksendal, Bernt (Research report / Forskningsrapport, 1998)
Minimax linear smoothers 
Blaker, Helge (Research report / Forskningsrapport, 1998)
Minimax Estimation in Linear Regression under Restrictions 
Blaker, Helge (Research report / Forskningsrapport, 1998)
Mathematical Modelling of Vapor Explosions 
Khabeev, N.S.; Bertelsen, Arnold F.; Ganiev, O.R. (Research report / Forskningsrapport, 1998)
Improved Exact Confidence Intervals for Discrete Distributions 
Blaker, Helge (Research report / Forskningsrapport, 1998)
Quantum mechanics from symmetry and statistical modelling. 
Helland, Inge S. (Research report / Forskningsrapport, 1998)
Wavelet methods for the solution of wave-body problems 
Nygaard, Jens Olav; Grue, John (Research report / Forskningsrapport, 1998)
Fock representation of the Binary Shift Algebra 
Vik, S. (Research report / Forskningsrapport, 1998)
Properties of large amplitude internal waves 
Grue, John; Jensen, Atle; Rusås, Per-Olav; Sveen, Johan Kristian (Research report / Forskningsrapport, 1998)
Variable weight and location kernel density estimations 
Storvik, Bård (Research report / Forskningsrapport, 1998)
Model reduction for prediction in regression models 
Helland, Inge S. (Research report / Forskningsrapport, 1998)
A note on the contributions due to steady second order potential in the slow-drift problem 
Grue, John (Research report / Forskningsrapport, 1998)
Abelian surfaces with two plane cubic curve fibrations and Calabi-Yau threefolds 
Hulek, Klaus; Ranestad, Kristian (Research report / Forskningsrapport, 1998)
Measurements of velocity fields in internal gravity waves. Documentation of experimental method 
Sveen, Johan Kristian; Jensen, Atle; Grue, John (Research report / Forskningsrapport, 1998)
Using the Donsker Delta Function to Compute Hedging Strategies 
Aase, Knut K.; Øksendal, Bernt; Ubøe, Jan (Research report / Forskningsrapport, 1998)
NONCOMMUTATIVE ALGEBRAIC GEOMETRY II 
Laudal, Olav Arnfinn (Research report / Forskningsrapport, 1998)
Exposure stratified case-cohort designs 
Borgan, Ørnulf; Samuelsen, Sven Ove (Research report / Forskningsrapport, 1998)
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