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In this chapter, we evaluate how the concept of the entrepreneurial ecosystem - a systemic approach to regional economic development that is receiving increased attention from both policymakers and academics - can assist in analysing and understanding the informal economy. We argue that despite the focus of entrepreneurial ecosystems on high-growth entrepreneurship, the ‘systemic’ perspective of t
J. S. Wilson proved in 1971 an isomorphism between the structural lattice associated to a group belonging to his second class of groups with every proper quotient finite and the Boolean algebra of clopen subsets of Cantor’s ternary set. In this paper we generalize this isomorphism to the class of branch groups. Moreover, we show that for every faithful branch action of a group G on a spherically h
Being the most common of the upper extremity fractures, the distal radius fracture rightfully earns its attraction. In a global population rapidly growing older, the number of patients with a distal radius fracture will increase. Innovative devices have been developed in the last few decades to restore the anatomy. The well-trained surgeon has all the options to fix the majority of fractures in an
Esophageal lesions are common findings in disorders of the digestive tract in patients living with HIV, the most typical symptoms being odynophagia and/or dysphagia. This article provides a narrative review of the spectrum of esophagitis in patients living with HIV, focusing on fungal, viral, bacterial and non-infectious etiologies, as well as co-infections with viral hepatitis viruses. The articl
Introduction: The healthcare sector is globally experiencing increasing demands and workplace interventions on an organisational level is sought to create healthy workplaces. The aim of this study was to provide an overview of Nordic research on the work environment and health of healthcare professionals, with a focus on identifying organisational-level risk and health-promoting factors. Methods:
In electric passenger vehicles with modest performance the drivetrain usually consists of one inverter, one electrical machine and a single-speed transmission. The inverter is typically a two-level inverter using either Si IGBT transistors with an anti-parallel Si diode, or a SiC MOSFET transistor with or without an anti-parallel diode. The benefits of selecting SiC MOSFET as semiconductor technol
This thesis comprises three self-contained chapters that explore how individual behavior, incentives, and institutional frameworks shape the allocation of scarce resources, with particular emphasis on healthcare markets. The first chapter examines the impact of intrinsic truth-telling preferences on consumer welfare within a priority pricing mechanism, in which individuals can gain faster access t
With the growth of e-commerce, understanding the nuances of packaging performance and consumer expectations has become essential to enhancing the customer experience. In e-commerce, packaging is a key component of the overall consumer experience, directly influencing perceptions and expectations. Despite its importance, packaging often remains overlooked and is significantly understudied. This exp
Introduction: Discordant results between cystatin C and creatinine in estimating glomerular filtration rate (GFR) are an important medical issue. However, the equation that should be used when GFR estimates are discordant remains unclear. Methods: This cross-sectional analysis included 15,485 participants with GFR measured by the clearance of an exogenous marker, serum creatinine, and cystatin C.
The AI Act marks a new chapter in AI governance, affecting companies around the world seeking to offer their services within the European Union. This study focuses on the comprehensive AI Act requirements set out for high-risk AI systems. We explored the perceived compliance challenge for the AI Act's high-risk requirements and associated contributing factors; the AI Act's impact on industry in te
Direct injection (DI) hydrogen internal combustion engines are gaining attention as a promising technology for a sustainable energy transition, particularly in the transport sector. A key factor in improving the performance of these engines is understanding how hydrogen jets behave within the combustion chamber, especially their interactions with the chamber walls. These jet-wall interactions are
Denna avhandling undersöker performativa protesters möjligheter att utmana epistemiskt våld och omforma antagonistiska relationer genom agonistiskt engagemang i den djupt asymmetriska och polariserade kontexten i Palestina och Israel. Studien baseras på etnografiska fältarbeten – inklusive 35 intervjuer och 57 deltagande observationer – genomförda på olika platser i städer såsom Jerusalem, Tel AviThis dissertation explores the potential of performative protest to challenge epistemic violence and reconfigure antagonistic relations through agonistic engagement in the deeply asymmetrical and polarised context of Palestine and Israel. Drawing on multi-sited ethnographic fieldwork—including 35 interviews and 57 participant observations—conducted across diverse locations such as Jerusalem, Tel A
To address the pressing challenge of decarbonizing heavy-duty transportation, this thesis explores advanced combustion strategies using sustainable gaseous fuels, specifically hydrogen and methane, in internal combustion engines (ICEs). While electrification remains difficult to implement in long-haul applications due to energy density and infrastructure limitations, this work identifies and refin
