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A numerical scheme is presented for solving the Helmholtz equation with Dirichlet or Neumann boundary conditions on piecewise smooth open curves, where the curves may have corners and multiple junctions. Existing integral equation methods for smooth open curves rely on analyzing the exact singularities of the density at endpoints for associated integral operators, explicitly extracting these singu
We characterize the model spaces K in which functions with smooth boundary extensions are dense. It is shown that such approximations are possible if and only if the singular measure associated to the singular inner factor of is concentrated on a countable union of Beurling Carleson sets. In fact, we use a duality argument to show that if there exists a restriction of the associated singular measu
The purpose of this work was to present collective data on firefighter fatalities in Sweden between 1937 and 2016. Data presented is directly related to operations only. Fatalities due to long-term exposure of gases, particles, and physical/psychological stress or similar were not included in the study. Also, accidents involving ambulances as well as fatalities in direct relation to physical train
Within the field of cell biology, an essential tool is to deliver molecules to cells to manipulate cell behaviour and function. This enables the study of, for example, how a specific change in a cellular process contributes to a disease state. However, cells have barriers, such as the cell membrane, that need to be overcome for the molecules to have an effect. Current transfection methods, such as
Osteoporosis and low bone strength in older people may be due to low bone mass accrual or elevated age-related loss of bone mass. The mechanisms underlying loss of bone mass have long been subjected to research. However, research has only started in the last decade to focus on strategies to increase bone mass:the current opinion is that childhood and adolescence are critical periods for building u
To fulfill increasing requirements within the manufacturing sector, highly flexible and adaptable automation systems are needed. It is desirable to have one integrated approach that stretches from the process planning phase, through the implementation phase and all the way to the phase for execution of the process control logics. One promising approach is to use the concepts of service-oriented ar
The aim of this study is to bring further understanding to the contested relationship between development aid and democracy. By introducing quality of democracy as an alternate measure to the ones previously used, the ambition is to approach the subject from a new perspective. In this thesis, the following research question will be answered: To what extent does Official Development Assistance (ODA
China employs approximately half of the world's coal workers while also implementing one of the world's largest decarbonization programs. This thesis examines how official policy discourse constructs the social costs of coal transition, focusing on how coal workers and transition-related burdens are framed, recognized, and governed in official policy texts. The study uses Critical Discours
Forskare Kontaktinformation E-post: michael [dot] johansson [at] ses [dot] lu [dot] se Telefon: +46 42 35 65 68 Mobil: +46 70 678 25 18Organisation Institutionen för tjänstevetenskap Rumsnummer: E419 WebbplatsMichael Johanssons profil i Lunds universitets forskningsportalAndra roller Affilierad forskare Centrum för beredskap och resiliens (LUPREP)Min forskning fokuserar på hållbarhetsfrågor inom s
https://www.ses.lu.se/michael-johansson - 2026-06-30
Lund Nano Lab among the three research infrastructures named University Core Facilities Hoppa till huvudinnehåll Vi använder cookies och andra spårningsteknologier för att förbättra användarupplevelsen på vår webbplats, för att visa dig personligt innehåll och riktade annonser och för att analysera vår webbplatstrafik. Läs mer om cookies. Absolut nödvändiga cookies Dessa cookies är nödvändiga för
https://www.lth.se/article/lund-nano-lab-among-the-three-research-infrastructures-named-university-core-facilities/ - 2026-06-29
To fulfill increasing requirements within the manufacturing sector, highly flexible and adaptable automation systems are needed. It is desirable to have one integrated approach that stretches from the process planning phase, through the implementation phase and all the way to the phase for execution of the process control logics. One promising approach is to use the concepts of service-oriented ar
To describe patterns of leisure time physical activity during pregnancy in relation to pre-pregnancy leisure time physical activity, socio-demographic characteristics, fertility history, and lifestyle factors. 4,718 nulliparous with singleton pregnancy and intended spontaneous vaginal delivery were included in the study at gestational week 33 from May 2004 to July 2005. Information was provided by
Industrial processes currently account for a signifcant share (25–35 %) of the world’s total energy demand and related emissions. During recent years, the amount of low-carbon electricity from renewable energy sources (such as wind and solar) has increased continuously. Tere is therefore an increasing interestin electrifcation of industrial processes in order to achieve long-term decarbonisation g
