Search for dissertations about: "Daniel Bergh"

Showing result 1 - 5 of 6 swedish dissertations containing the words Daniel Bergh.

2. 1. Computations in the Grothendieck Group of Stacks

   Author : Daniel Bergh; Torsten Ekedahl; David Rydh; Jochen Heinloth; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Mathematics; matematik;

   Abstract : Given an algebraic group, one may consider the class of its classifying stackin the Grothendieck group of stacks. This is an invariant studied byEkedahl. For certain connected groups, called the special groups bySerre and Grothendieck, the invariant simply gives the inverse of the class ofthe group itself. READ MORE

4. 2. Destackification and Motivic Classes of Stacks

   Author : Daniel Bergh; David Rydh; Dan Edidin; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Algebraic geometry; Algebraic stacks; Destackification; Grothendieck ring; Motive; Torus; Classifying stack; Mathematics; matematik;

   Abstract : This thesis consists of three articles treating topics in the theory of algebraic stacks. The first two papers deal with motivic invariants. In the first, we show that the class of the classifying stack BPGLn is the inverse of the class of PGLn in the Grothendieck ring of stacks for n ≤ 3. READ MORE

5. 3. Social Relations and Health : How do the associations vary across contexts and subgroups of individuals?

   Author : Daniel Bergh; Curt Hagquist; Bengt Starrin; Viveca Östberg; Karlstads universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Social Relations; Social Capital; Health; Health Behaviours; School; Adolescents; Sociologi; Sociology;

   Abstract : Objectives: The aim of this thesis is to study the association between social relations and health in different social spheres, and to examine possible interaction effects. Material and Methods: In Paper I, the link between measures of the psychosocial neighbourhood environment, the psychosocial working environment, and psychosomatic health is analyzed by using a subset of data from the survey Life and Health 2000. READ MORE

6. 4. Bioenergy from Swedish forests : A Study of extraction methods, quality and effects for forest owners

   Author : Daniel Nilsson; Johan Bergh; Peter Lerman; Gudmund Vollbrecht; Nasko Terziew; Linnéuniversitetet; []
   Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; logging residues; forest fuels; moisture content; needles; nutrients; moisture content measurements; Norway spruce; dry-stacking; fresh-stacking; Forestry and Wood Technology; Skog och träteknik;

   Abstract : The forest constitutes a very important element of renewable natural resources and makes a significant contribution to the Swedish bioeconomy. Biofuels are Sweden’s largest source of energy; of all the energy we use, 32% comes from biofuels, and of this approximately 85% comes from the forest and the forestry sector. READ MORE

7. 5. Social stressors and their association with psychosomatic problems among adolescents : Implications for school social work

   Author : Victoria Lönnfjord; Curt Hagquist; Daniel Bergh; Mona Sundh; Patrik Karlsson; Karlstads universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Social stressors; adolescents; psychosomatic problems; school social work; parental unemployment; family residency; schoolwork pressure; academic achievement expectation; bullying; bullying victimization; bullying intervention; self-efficacy; disability; long-term illness; Sociala påfrestningar; ungdomar; psykosomatiska besvär; skolsocialt arbete; föräldrars arbetslöshet; boendesituation; press i skolan; krav på skolprestationer; mobbning; utsatthet för mobbning; interventioner mot mobbning; tilltro till sin egen förmåga; funktionsnedsättning; långvarig sjukdom; Socialt arbete; Social Work;

   Abstract : The overall aim was to investigate associations between family-, school- and individual-related social stressors and adolescents’ psychosomatic problems, and which factors might moderate these associations. A cross-sectional study design was employed to collect data and 3764 Swedish adolescents (girls 51. READ MORE