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This master thesis is about the mathematical modeling of an inventory control system. The system is a single-echelon two-location system with one type of item. The locations replenish from a supplier that is assumed to have an ample stock. The demand is modeled as customers arriving according to a Poisson process with a known intensity and each customer only demands one item. In addition to replen
Our book has taken a distinctive, policy-oriented approach to IGR in analysing both specific crisis-driven problems and new, longer-term, and emerging policy issues confronting European governments. We have explored the shifting balances of power within IGR systems focused on the challenges of vertical and horizontal coordination within cross-country, comparative perspectives. In order to position
No Slide Title Introduction to remote sensing and Earth observation NGEN08 NGEN09 EXTN15 Lars Eklundh Remote sensing / Earth observation Remote sensing: All collection of data at a distance, e.g. - Aerial photographs - Satellite data - Radar and Lidar (laser) from the ground and from the air Earth observation (EO): remote sensing of the Earth's surface Why use remote sensing? • Cover large area. M
https://www.nateko.lu.se/sv/sites/nateko.lu.se.sv/files/le_fa-introngen08_2014.pdf - 2026-07-22
Popular Abstract in Swedish Under de senaste decennierna har matematisk modellering av finansiella marknader rönt stor uppmärksamhet både inom akademi och inom industri. Ett område som har visats särskilt intresse är prissättning av finansiella instrument så som optioner. En europeisk köpoption på en underliggande aktie är ett kontrakt som ger innehavaren rätten att vid en förutbestämt tidpunkt, The first part of this thesis deals with approximations of stochastic integrals and discrete time hedging of derivative contracts; two closely related subjects. Paper A considers the problem of approximating the value of a Wiener process. The discretization points are placed at times when the absolute difference between the value of the process and the approximation reaches a threshold level. It i
The media landscape and its societal significance is in rapid transition; likewise basic features of democracy are changing. In this article we pursue these two strands in order to sketch the background to a need for a new research agenda, as well as to arrive at proposals regarding the directions that such research can take. In regard to democracy our emphasis is on the dimension of participation
Context Small single-center studies have shown that cerebrospinal fluid (CSF) biomarkers may be useful to identify incipient Alzheimer disease (AD) in patients with mild cognitive impairment (MCI), but large-scale multicenter studies have not been conducted. Objective To determine the diagnostic accuracy of CSF beta-amyloid(1-42) (A beta 42), total tau protein (T-tau), and tau phosphorylated at po
In this paper we address the test scheduling problem for system-on-chip designs. Different from previous approaches where it is assumed that all tests will be performed until completion, we consider the cases where the test process will be terminated as soon as a defect is detected. This is common practice in production test of chips. The proposed technique takes into account the probability of de
The production cross sections of the inclusive Drell-Yan processes W-+/- -> l nu and Z/gamma* -> ll (l = e, mu) are measured in proton-proton collisions at root s = 7 TeV with the ATLAS detector. The cross sections are reported integrated over a fiducial kinematic range, extrapolated to the full range, and also evaluated differentially as a function of the W decay lepton pseudorapidity and the Z b
A novel traffic flow model based on stochastic microscopic dynamics is introduced and analyzed. Vehicles advance based on the energy profile of their surrounding traffic implementing the "look-ahead" rule and following an underlying asymmetric exclusion process with Arrhenius spin-exchange dynamics. Monte Carlo simulations produce numerical solutions of the microscopic traffic model. Fluctuations
The overall aim of the present work was to reduce losses during product changes or during rinsing in continuous food processing, with particular attention to dairy plants. The concept of sensor fusion of common process instruments was implemented as a tool to monitor the milk and fat concentrations in a dairy processing line. Special interest was drawn to the dynamic processes such as start-up, r
The second order random walk (RW2) model is commonly used for smoothing data and for modelling response functions. It is computationally efficient due to the Markov properties of the joint (intrinsic) Gaussian density. For evenly spaced locations the RW2 model is well established, whereas for irregularly spaced locations there is no well established construction in the literature. By considering t
The literature on simulation models for multi-cylinder paper dryers is surveyed, 20 such models being reviewed. Models for intraweb heat and mass transfer are treated extensively, a separate chapter being devoted to them. In some of the models the specific physical transfer phenomena are modelled in detail, whereas in other models a more macroscopic approach is adopted. Normally the latter approac
In this paper, anew model for random loads - the Laplace driven moving average - is presented. The model is second order, non-Gaussian, and strictly stationary. It shares with its Gaussian counterpart the ability to model any spectrum but has additional flexibility to model the skewness and kurtosis of the marginal distribution. Unlike most other non-Gaussian models proposed in the literature, suc
Atmospheric aerosol particles have substantial influence on climate and air quality. However, the anthropogenic influence on the atmospheric aerosol is still poorly known. This limits the understanding of past and future climate changes. Additionally, both epidemiological and toxicological studies indicate adverse health effects of inhaled aerosol particles. In order to study the effect of atmosph
Popular Abstract in Swedish Detta är en av de få större statsrättsliga studierna i Sverige på senare år. Vad som analyseras i boken är inte rättsläget beträffande någon enskild rättighet utan de skyddsmekanismer för de medborgerliga rättigheterna som finns i ett antal västliga rättssystem. Förutom Sverige behandlas Danmark, Norge, Finland, Tyskland, Frankrike, Storbrittanien och USA. Särskilda kapConstitutional Protection of Human Rights means something else than international protection, first and foremost since it is exercised at a national level. This protection may be excercised by courts or by special mechanisms of protection within the legislative process. However, if this protection of the basic rights of the individuals is to be a strong one, it is likely to limit the freedom of ac
