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In this letter we derive fundamental limitations on the levels of H {2} and H {\infty {}} performance that can be achieved when controlling lossless systems. The results are applied to the swing equation power system model, where it is shown that the fundamental limit on the H {2} norm scales with the inverse of the harmonic mean of the inertias in the system. This indicates that power systems may
Purpose: Type 1 diabetes is an autoimmune disease that often develops during childhood. Complications such as retinopathy often occur during the course of the disease. Studies to identify possible predictors of complications in type 1 diabetes are needed; in particular markers able to identify risk of complications long before they occur. The first aim of this study was to investigate plasma level
Estimations show that approximately US $23 billion is required for Georgia to meet its climate and environmental targets up to 2030. As the current Nationally Determined Contribution reveals, considering 1990 as a base year, the Republic of Georgia plans a 35% decrease in greenhouse gas emissions by 2030. If the country has financial and technical support, commitment to limit emissions may rise as
Introduction: To assess the risk of recurrent dacryocystitis after first-onset dacryocystitis and to obtain a demographic profile and treatment characteristic for patients with first-onset dacryocystitis. Methods: A retrospective study was performed on patients who had first-onset dacryocystitis during the years 2010–2013. Patients were followed up for 3 years. The analysis focused on the recurren
Based on a commission by one of the Swedish Research Council, which has high ambitions to strengthen the collaboration between academia and society, this study aimed to reveal how researchers describe the collaboration with partners outside the university in research proposals. Globally, collaboration is advocated to bridge research-practice gaps and address complex societal challenges. This study
Can the economic legacy of highly skilled groups persist long after they were uprooted from their homelands? To answer this question, we study long-term sub-national development in Turkey after the mass expulsions of the Armenian and Greek communities of the Ottoman Empire in the early 20th century. Since these events led to an almost complete and permanent removal of both communities from Turkey
The transition from fossil jet fuel to biojet fuel is an important step towards reducing greenhouse gas (GHG) emissions from aviation. To enable such a fuel shift, the Swedish Government introduced a GHG emission reduction mandate of 27% by 2030 for aviation fuel sold in Sweden, forcing fuel suppliers to blend in biojet fuel in fossil jet fuel. A similar policy instrument is being discussed within
We survey the literature on preferences for redistribution. We discuss different ways the literature has measured these preferences and review literature on the different determinants of preferences for redistribution. These range from institutions and demographic factors to fairness views and social preferences. Income inequality is, perhaps unsurprisingly, one of the most important determinants
Entrepreneurial universities (EU) have received much attention over the last few years. Although the well-articulated contributions in the literature, empirical evidence substantiating the EU's disruptive responses in challenging times is scarce (e.g., crises, natural disasters, pandemics, Belic conflicts, or wars). This study theorizes the EU's metamorphosis due to technological/emotional disrupt
Complications to spinal surgery are not uncommon. The type of complications may, in part, vary depending on the surgical procedure. Some complications may occur during the intraoperative procedure, while others are considered to be delayed and occur during the post-surgical recovery phase. The present chapter will focus on the more common acute and delayed post-operative complications related to s
This article explores how different layers of waiting shape the everyday lives of women asylum seekers in the UK and unemployed women in Sweden. We examine the continuity of waiting between and within the migration, labour and welfare complexes. The analysis identifies three layers of everyday waiting: everyday waiting as repetition, everyday waiting as forced and denied work and everyday waiting
Critical security studies examine how everyday life is affected or transformed by practices that militarise civil society. This article addresses one such area: qualitative changes in the openness and transparency of public administration, instating a mode of suspicion and secrecy. The article is based on interviews and observations in the area of the total defence in Sweden, where we during three
In this paper we consider the experience of implementing the Smart Specialisation Strategy (S3) in three regions in Finland, Norway and Denmark. We highlight the challenges each of these ‘strong innovator’ regions has faced in implementing S3. We elucidate the fact that each region faced different challenges when implementing S3. We extend a discussion around place-based policy, which is designed
The mixed embeddedness (ME) perspective offers a holistic approach to understanding entrepreneurship as embedded in a myriad of contexts. Alone, however, it is not capable of explaining the dynamic interrelations between entrepreneurship and opportunity structures beyond venture start-up. We offer a synthesis between ME and the dynamic states approach, using the concept of opportunity tension to e
Previous studies have attempted to determine the depth of anaesthesia with different anaesthetic agents using electroencephalogram (EEG) measurements with variable success. Measuring depth of anaesthesia is confounded by the complexity of the EEG and the fact that different agents create different pattens. A narrative review was undertaken to examine the available research evidence on the effect a
Previous research has argued that related variety enhances regional innovation as inter-industry knowledge spillovers occur more easily between cognitively similar industries. In this study, we engage with empirical operationalization of what is ‘related’ in related variety. We argue, based on theoretical grounds, that estimating regional knowledge production functions requires related variety mea
Abstract in SpanishEl referéndum catalán del 1 de octubre de 2017 y la consiguiente crisis política han actualizado la urgente necesidad de diálogo, no solamente en la política sino también en el ámbito de la producción cultural. Las demarcaciones entre los estudios de la producción cultural en lengua española, por una parte, y los estudios de la cultura en catalán, euskera y gallego, por otra, si
