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This master's thesis explores the improvement of loudspeaker characteristics by using digital signal processing. The main aim of the thesis is to improve the overall audio quality with regards to limited processing power and power supply. Improving the audio quality is important since the vast expansion of the usage of loudspeakers has led to demands on cost, size and design choices all leadin
Swedish R&D activities in the field of IT and the environment - a mapping related to indirect environmental effects and effects at system level Feb 2009: Peter Arnfalk, Andrius Plepys, Chris van Rossem, The International Institute for Industrial Environmental Economics, Lund University. The International Institute for Industrial Environmental Economics (IIIEE) at Lund University has, in autumn
Carbon dioxide removal (CDR) is quickly moving from mere imagination to material reality. As I write, billions of dollars are flowing into this nascent industry from government, philanthropy, and venture capital; this thesis thus attempts to grasp history as it flies. By employing a Marxist theoretical approach, including concepts like the real subsumption of nature and the spatiotemporal fix, I d
Förenta Nationernas Ekonomiska Kommission för Europas Konvention om tillgång till information, allmänhetens deltagande i beslutsprocesser och tillgång till rättslig prövning i miljöfrågor (Århuskonventionen) anses vara det essentiella rättsligt bindande instrumentet för skyddet av allmänhetens miljörelaterade rättigheter. Konventionen bygger på uppfattningen att processuella rättigheter i samband The United Nation Economic Commission for Europe’s Convention on access to information, public participation in decision-making, access to justice in environmental matters (hereafter the Aarhus Convention) is considered to be the main legally binding instrument protecting the public’s environmental rights. It is based on the idea that procedural rights relating to environmental matters should cont
Thesis purpose: The purpose of this thesis is to determine how a technolo-gically enhanced shopping tool, synergizing eCRM tech-niques with personalized promotion at the point-of-sale, can increase customer loyalty by considering perceptions of current grocery retailer loyalty programs in Sweden. Methodology: An exploratory research was undertaken in the light of a qualitative method collecting pr
Critical infrastructures must be both robust and resilient in order to ensure the functioning of society. A key activity in ensuring their proper function is finding and addressing system weaknesses by the means of risk and vulnerability analysis. A critical factor of such analysis is the ability to determine the negative consequences of various types of contingencies. Numerous mathematical and si
Health care is moving toward integrated services where care and rehabilitation are provided at home rather than in institutions. This, together with the requirement that care must be person-centered, has proven to be a considerable challenge. Older adults living with complex health conditions such as stroke are vulnerable to change when their responsibility for care and rehabilitation becomes exte
Geometrid moths, the second largest radiation of Lepidoptera, have been the target of extensive phylogenetic studies. Those studies have flagged several problems in tree topology that have remained unanswered. We address three of those: (i) deep nodes of Geometridae (subfamilies Sterrhinae + Larentiinae, or Sterrhinae alone as sister to all other subfamilies), (ii) the taxonomic status of subfamil
BACKGROUND: The possibility of an association of Graves' disease (GD) with subsequent cancers raised by certain studies. METHODS: Using a database on 18 156 hospitalised GD patients, subsequent cancers were ascertained. RESULTS: Increased risks of thyroid and parathyroid tumours were limited to the early follow-up period, which is probably a surveillance bias. Cancer sites with observed excess inc
Background: Natural resource extraction projects offer both opportunities and risks for sustainable development and health in host communities. Often, however, the health of the community suffers. Health impact assessment (HIA) can mitigate the risks and promote the benefits of development but is not routinely done in the developing regions that could benefit the most. Objective: Our study aims to
This chapter highlights how implementing circular economy principles can help companies working with sustainability to move from a reductionist and waste management approach to marketing competitive circular value propositions that intentionally design out waste (e.g. emissions and pollution) by rethinking, reinventing and redesigning the value chain. Schijvens, a Dutch family-owned corporate fash
BackgroundMost pharyngotonsillitis guidelines focus on the identification of group A streptococci (GAS), guided by clinical scores determining whom to test with a rapid antigen detection test. Nevertheless, many patients testing negative with this test are evaluated for group C/G streptococci (GCS/GGS) and Fusobacterium necrophorum, yet their importance remains debated. Our primary aim was to eval
A monotone Boolean circuit is composed of OR gates, AND gates and input gates corresponding to the input variables and the Boolean constants. It is multilinear if for any AND gate the two input functions have no variable in common. We consider a generalization of monotone multilinear Boolean circuits to include monotone q-multilinear Boolean circuits. Roughly, a sufficient condition for the q-mult
This paper presents a methodology to reduce the power consumption, silicon area, as well as increasing the performance, in digital filters that are feasible for wireless communication circuitries. The method is based on arithmetic reductions in a wave digital filter. Basically, the multipliers are removed to reduce the number of arithmetic operations. All parameters including the dynamic and stati
While the British Empire is no longer a political reality, it continues to shape the organization of British state institutions, including the Foreign, Commonwealth, and Development Office (FCDO). As people with ethnic heritage from formerly colonized countries enter the British diplomatic service, they occupy the unique position of representing the state that colonized their ancestors. Existing l
Recent estimates by the World Health Organization show that one in six people globally experience infertility at some point in their lives. Infertility is a fundamental reproductive health concern affecting an individual's human right to freely decide if, when, and how many children to have. A growing body of literature notes infertility’s absence from the sexual and reproductive health and ri
This document has been developed as a comprehensive roadmap to the organization of paediatric and congenital echocardiography laboratories, as well as the governance of echocardiography services and training across Europe. The following key topics will be reviewed and discussed: (i) the setup and organization of paediatric and congenital echocardiography laboratories; (ii) staffing requirements fo
AbstractsAnn 1 Parallel session A – Deciphering Landscape This paper concerns ex-‐urbanites’ rural in-‐migration associated with imaginations and… Chia Sui Hsu, batch 13 This paper concerns ex-‐urbanites’ rural in-‐migration associated with imaginations and practices of agricultural lifestyles. To illustrate these in-‐migrations I offer an acc
https://www.lumes.lu.se/sites/lumes.lu.se/files/abstracts13oct.pdf - 2026-07-17
Software development organizations are continuously looking for better ways to manage their projects. An emerging approach to achieve this is Inner Source, which refers to the adoption of Open Source development practices within the confines of an organization. With an Inner Source approach, individuals, teams, and departments within an organization can start software projects, very similar to the
