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Rate-distortion trellis source codes are developed for quantizing memoryless IID sources. The codes are generated by simple linear congruential recursions. The method generates codes at a variety of rates including fractional ones; reproducer sets can be large, a crucial advantage with certain sources. Axioms for good code construction are developed that are based on recursion properties, certain
Popular Abstract in Swedish Denna avhandling utvecklar nya tekniker för analys av kointegrationssamband i paneldata. Det första kapitlet är en introduktion medan de resterande sex innehåller avhandlingens huvudsakliga bidrag. Det andra kapitlet behandlar estimering av kointegrationssamband när regressorerna är endogena, vilket medför att minsta kvadratmetoden inte längre är väntevärdesriktig om dThis thesis develops new techniques for analyzing cointegrated relationships in panel data. The first chapter is introductory while the remaining six contain the main contributions. The second chapter is concerned with the estimation of a cointegrated panel relation with endogenous regressors, in which case the least squares estimator is biased unless it is conditioned on the lags and leads of th
The purpose of this licentiate thesis is to investigate the following hypothesis in a case study: "Occupants of buildings with a quality labeled indoor environment experience a better indoor environment than occupants of buildings with normal planning and construction." The aim of the case study is to compare the outcome of using a quality system for indoor environment with a normal quality system
Popular Abstract in Swedish Jag har huvudsakligen studerat läderbaggen Osmoderma eremita, en ca tre cm lång skalbagge som lever inne ihåliga träd. Larverna av denna s k bladhorning lever av den döda veden på stammens insida i levande ihåliga lövträd (i Sverige främst ek) och av mulmen inne i trädet (den mjölliknande blandning av nedbruten ved, vedsvampar, löv, gamla fågelbon, fladdermöss, insekterThis thesis starts with a review of different biodiversity assessment methods in forests and the rest deals with the metapopulation ecology of Osmoderma eremita, a threatened beetle living in hollow trees. I concentrate on the effect of dispersal, habitat quality and habitat history for the presence, population size and future survival of this species. Dispersal was studied by using both capture-m
This study aims to provide a comprehensive overview of sustainability practices in food retailing sector. Report is structured to reflect on overall sustainability trends among European food retailers, outline drivers and barriers to address sustainability issues in retailer’s supply chain operations and provide classification of sustainability initiatives undertaken by EU retail organizations tha
Rediscovering Grounded Theory is a bold re-evaluation of the origins of grounded theory, a philosophical clarification of its key ideas and a presentation of the most effective way to use its techniques in your research. It answers questions such as 'What should grounded theory look like?', 'How do I recognise grounded theory?' and 'How do I produce good grounded theory?' by returning to the origi
Different opinions about Mongolian prominence structure can be found in the literature. The most puzzling problem is the nature of lexical stress in this language, and neither its placement nor its phonetic nature have been given any final description. We have earlier performed an acoustic investigation of vowel durations, quality and fO to find if any of these three parameters functions as signa
For how many years was a farmer responsible for running a farm in Sweden’s old peasant society’? This is the question that underpins my research into life in Ramkvilla parish in the province of Småland for two hundred years (1623–1819). By conducting a detailed study of farm practice at the individual level, I have been able to analyse a complex theme that touches upon the issues of responsibility
In two consecutive equilibria the compound (Cp*)(2)Zr(OMe)(2) undergoes insertion of CO2 to form the mono- and bis-hemicarbonates. Both equilibria are exothermic but entropically disfavoured. Magnetisation transfer experiments gave kinetic data for the first equilibrium showing that the rate of insertion is overall second order with a rate constant of 3.20 +/- 0.12 M-1 s(-1), which is substantiall
Titanium spectra recorded in the infrared wavelength region with a Fourier Transform Spectrometer have been analysed, and 572 lines have been identified as transitions of the types 3d-4f, 4d-4f and 4-5g. 11 lines in the UV region around 2400 angstrom have been identified as belonging to the 3d(3)4s a(5)F-3d(2)4s(F-4)4f transition array. 113 levels of the 3d(2)4s(F-4)4f, 3d(3)(F-4)4f and 3d(2)4s(F-
OBJECTIVES: To investigate the effect of cobalamin/folate supplementation on cognitive function in elderly patients with dementia. METHOD: The cobalamin/folate status of the patients was evaluated by measuring plasma homocysteine, serum methylmalonic acid, serum cobalamin and blood folate. Thirty-three patients were studied and repeatedly assessed with the Mini-Mental State Examination (MMSE) and
We used video-tracking of individuals of a Collembola, Protaphorura armata, on a clay surface in a petri dish to analyse their movement pattern in an environment with attractive and repellent cues. An area with dead conspecifics was repellent whilst live conspecifics made the area attractive. An area which had been occupied for 24 hours by the predatory mite, Hypoaspis aculeifer, was avoided only
The present study is included in a project with the aim to develop attractants from food odors for trapping female moths. Males and mated, but not unmated, females of Ephestia cautella and Plodia interpunctella were attracted by odors of three different chocolate products in flight tunnel experiments. Chocolate containing nut or rum elicited upwind flight and landing responses. Extracts of the cho
