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We present a method for the classification of all weak travelling-wave solutions for some dispersive nonlinear wave equations. When applied to the Camassa-Holm or the Degasperis-Procesi equation, the approach shows the existence of not only smooth, peaked and cusped travelling-wave solutions, but also more exotic solutions with fractal-like wave profiles.

Background: Due to the demographic challenge in most countries it is important to consider making work life sustainable. A sustainable work life is of importance in all age groups when working life will be extended to a higher age. Aim: Towards a theoretical model with an impact on a sustainable working life for all ages, the swAge - model. Method: The theoretical model, the swAge-model, is develo

The demographic shift is fast becoming a global challenge and an important public health concern. The proportion of people over 65 years is currently 10% around the world, but it is expected to rise to 22% by the year 2050 [1]. Populations ageing rapidly is widely seen as one of the most powerful transformative forces affecting society over the next four decades [1–4]. The ageing population is pro

Project Psyche is a transnational initiative to generate and study chromosome-level reference genomes of all ~11 000 species of Lepidoptera (butterflies and moths) found in Europe. Here, we describe the decentralised network of collection and sequencing hubs that has enabled rapid progress, the standardised protocols for sampling and sequencing, and the collaborative framework for data analysis. W

ObjectiveEstablish proportions of patients reporting important improvement, acceptable symptoms and treatment failure and define interpretation threshold values for pain, patient-reported function and quality-of-life after participating in digital first-line treatment including education and exercise for hip and knee osteoarthritis (OA).MethodsObservational study. Responses to the pain Numeric Rat

The phenomenon of increasing correlation between asset returns in economic downturns will be investigated with two different approaches and tried to be explained by different macroeconomic variables. The first approach, namely the classic method of measuring correlation with time series is contrasted with an extended method of cross-sectional correlation measurement proposed by Solnik (2000). The

Popular Abstract in English Labour is said to be obstructed when the baby’s presenting part fails to descend through the birth canal despite strong uterine contractions. Obstructed labour is one of the major causes of maternal and neonatal mortality and morbidity in low-income countries. It is mostly caused by disproportion between the baby’s head and mother’s pelvis but also abnormal presentationLabour is said to be obstructed when the presenting part fails to descend through the birth canal despite strong uterine contractions. The condition is mostly prevalent in low-income countries where the main causes are cephalopelvic disproportion and malpresentation. The overall aim of this thesis was to investigate the individual, community and health system factors associated with obstructed lab

BALTHAZAR BERLING - LE FAIT DU CORPS (BARTHÉLÉMY) LOUI KUHLAU - THE MUNDANE EGG In language you divide, categorize and combine. As words enters your language they create parameters in a spectrum, in which you previously didn’t make any distinctions. As you come into being without a language, the first period of life is lived in a continuous spectrum. A world where everything is one. Your senses co

https://www.khm.lu.se/balthazar-berling-loui-kuhlau - 2026-07-23

In the offshore industry, reliability of installed equipment is of paramount concern due to safety, environmental and economic consequences. The costs of unplanned shutdowns and maintenance have high economic implications and are of increasing importance with tighter profit margins. Reliability is therefore of significance when selecting equipment model and brand. This report presents a survey of

The emergence of blockchain technology enables entrepreneurs to raise capital in an innovative way, by addressing a crowd of online investors without the need for an intermediary. This phenomenon is known as token sales, and it may have the potential to revolutionize entrepreneurial finance. However, information asymmetry is particularly severe in this context, and the need for entrepreneurs to se

The aim of this article is to draw attention to the dangerous, indeed poisonous, nature of the current debates on immigration and multiculturalism in today’s ‘omniphobic’ Europe, plagued not only by a severe economic crisis, but also a more general normative crisis, a ‘crisis of values’ so to speak, which has been consistently overlooked or manipulated by politicians and academics alike, or reduce

In ESS, a 5 MW proton beam will hit a helium cooled tungsten target to generate neutrons by spallation. For the purpose of investigating various aspects of cooling with helium, an experimental system has been constructed at Lund University, Department of Energy Sciences. A helium flow of 3 g/s is circulated in a closed loop with pre-heater, cooler, filters and a test vessel. The vessel has windows

A growing body of research highlights how the Internet and social media offer new platforms for advocacy. This article contributes to the debates on digital advocacy by combining interest group and social media studies and present the notions of digital access politics, digital information politics, and digital protest politics for a comprehensive analysis of digital advocacy. Based on a netnograp