Search for dissertations about: "decomposition analysis"

Showing result 1 - 5 of 276 swedish dissertations containing the words decomposition analysis.

  1. 1. Volatile metabolites from microorganisms in indoor environments : sampling, analysis and identification

    Author : Anna-Lena Sunesson; Alvin Fox; Umeå universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Adsorbents; Analysis; Cultivation; Determination; Gas chromatography; Identification; Indicator substances; Indoor air; Mass spectrometry; Metabolites; Microbial volatile organic compounds; Optimization; Sampling; Sick buildings; Thermal desorption; Aspergillus versicolor; Cladosporium cladosporioides; Paecilomyces variotii; Pénicillium commune; Phialophora fastigiata; Streptomyces albidoflavus;

    Abstract : Microorganisms are able to produce a wide variety of volatile organic compounds. This thesis deals with sampling, analysis and identification of such compounds, produced by microorganisms commonly found in buildings. READ MORE

  2. 2. Subspace Computations via Matrix Decompositions and Geometric Optimization

    Author : Lennart Simonsson; Axel Ruhe; Linköpings universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Mathematics; Numerical Analysis; Rank-revealing UTV; Jacobi-Davidson algorithm; Decomposition; Grassmann type algorithms; Numerical analysis; Numerisk analys;

    Abstract : This thesis is concerned with the computation of certain subspaces connected to a given matrix, where the closely related problem of approximating the matrix with one of lower rank is given special attention. To determine the rank and obtain bases for fundamental subspaces such as the range and null space of a matrix, computing the singular value decomposition (SVD) is the standard method. READ MORE

  3. 3. Essays on Social Capital, Health and Socioeconomic Inequalities in Health A Health Economic Study

    Author : Kamrul Islam; Socialepidemiologi; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; economic systems; economic theory; Economics; econometrics; Samhällsvetenskaper; Social sciences; epidemiologi; Folkhälsa; epidemiology; Public health; Sweden; Panel data fixed-effect model; Decomposition analysis; Concentration index; Socioeconomic health inequality; Population aging; Survival analysis; Extended Cox model; Multilevel analysis; Unbalanced panel data; Externalities; Crime rates; Election participation rates; Community social capital; Municipality-level social capital; Systematic review; Egalitarianism; Determinants of health; Mortality; Health-related quality of life; Health; Keywords; Social capital; economic policy; Nationalekonomi; ekonometri; ekonomisk teori; ekonomiska system; ekonomisk politik;

    Abstract : The thesis comprises four independent research papers and a summary that focus on two related dimensions. The first dimension focuses on the understanding of the production of health. Particularly, the question is asked whether community's stock of social capital influence individual's health. READ MORE

  4. 4. Homogenization of some problems in hydrodynamic lubrication involving rough boundaries

    Author : John Fabricius; Luleå tekniska universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Mathematics; partial differential equations; calculus of variations; homogenization theory; tribology; hydrodynamic lubrication; thin film flows; Reynolds equation; surface roughness; Weyl decomposition; Matematik; Matematik; Mathematics;

    Abstract : This thesis is devoted to the study of some homogenization problems with applications in lubrication theory. It consists of an introduction, five research papers (I–V) and a complementary appendix.Homogenization is a mathematical theory for studying differential equations with rapidly oscillating coefficients. READ MORE

  5. 5. On the Robustness of Air Pollution Policy Cost-Benefit Analysis

    Author : Stefan Åström; Chalmers University of Technology; []
    Keywords : NATURVETENSKAP; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; NATURAL SCIENCES; ENGINEERING AND TECHNOLOGY; ENGINEERING AND TECHNOLOGY; policy support modelling; Air pollution control; cost-benefit analysis; decomposition analysis;

    Abstract : In December 2013 the European Commission proposed an amendment of the National Emissions Ceilings Directive with new ambition levels for harmful emissions of SO2, NOx, NH3, PM2.5, and Non-Methane Volatile Organic Compounds. READ MORE