This paper deals with path-based linear programming formulations in survivable network design. In a recent survey we have investigated the complexity of the column generation problems for a large variety of protection and restoration mechanisms in a single or multiple link failure scenario, and classified them according to their structure. It turned out that all the considered column generation pr

System identification demands skill and experience, and the validity of the results strongly depends on the user'sknowledge. For this reason a help facility that uses domain specific knowledge about system identification is needed. This paper deals with the representation of knowledge in an expert interface for system identification, using the interactive identification package "Idpac". The concep

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Popular Abstract in English Over the last 30 years, the implementation of accrual accounting in public sector settings has been fundamental to public sector accounting policy development. The move from cash accounting to accrual accounting highlights the importance of understanding accounting choice, compliance and auditing in municipal organisations. This thesis is a quantitative study of accountThis thesis is a quantitative study of accounting compliance and audit costs in Swedish municipal organisations, consisting of four papers. Three of the papers explore factors that explain accounting compliance concerning financial reporting and revenue recognition in Swedish municipal water, sewerage and solid waste management organisations. The fourth paper explores the determinants of professio

Twenty-five out of 26 cases of autopsy-verified frontal lobe degeneration of non-Alzheimer type (FLD) were found to have focal frontal or frontotemporal blood flow reductions involving both hemispheres. The deviant case had an asymmetric frontal pathology only apparent on the right side. Focal reduction of blood flow in the frontal lobes is, however, a common and unspecific flow abnormality found

Kort sammanfattning: Energimyndigheten, Vetenskapsrådet och Vinnova har stött ESS Skandinavien Sekretariatet med 3 Mkr för att undersöka hållbara energi¬lösningar. Resultatet har blivit att ännu större resurser har bidragits från samarbetande industri. Arbetet är fortfarande i ett tidigt skede av utvecklingen, men preliminära beräkningar visar att besparingarna för ESS kan uppgå till fyra gånger dAbstract: Energimyndigheten, Vetenskapsrådet and Vinnova have supported the ESS Scandinavia Secretariat with 3 MSEK to explore sustainable energy solutions. The result has been that even greater resources have been contributed by cooperating industry. The work is still in early stages of progress, but preliminary calculations indicate that the savings for ESS might amount to four times the initial

The aim of this work is to be a starting point for a more thorough description and analysis of safety related road user behaviour in order to better understand the different parts forming the traffic safety processes. The background is that it is problematic to use analysis of crash data and conflict data in the everyday traffic safety work due to low occurrence rates and the focus on rather excep