Filtyp
Dark matter is an invisible type of matter believed to make up 85 % of the matter in the universe, but it has not yet been identified by experiments. According to certain particle physics theories, possible signatures of dark matter are so-called dark jets. They are the dark matter equivalent to classic jets, i.e collimated streams of particles. These jets could be produced from the proton-proton
Machine-learning methods have in recent years seen a great deal of use in condensed matter physics. In this thesis we apply such methods, specifically machine-learning with artificial neural networks, to the equilibrium and non-equilibrium description of the Hubbard and Hubbard-Holstein models. In the framework of ground-state density functional theory we reproduce results from the literature rega
Volatility, which indicates the dispersion of returns, is a crucial measure of risk and is hence used extensively for pricing and discriminating between different financial investments. As a result, accurate volatility prediction receives extensive attention. The Generalized Autoregressive Conditional Heteroscedasticity (GARCH) model and its succeeding variants are well established models for stoc
Cell reprogramming technologies have enabled the generation of various specific cell types including neurons from readily accessible patient cells, such as skin fibroblasts, providing an intriguing novel cell source for autologous cell transplantation. However, cell transplantation faces several difficult hurdles such as cell production and purification, long-term survival, and functional integrat
PURPOSE: Obesity is associated with a wide range of chronic illnesses and disabilities familiar to rehabilitation researchers and practitioners. Obesity discourse in the area of rehabilitation science and practice is limited.METHOD: A meeting of rehabilitation researchers, practitioners, industry and decision makers was held for the purpose of identifying research and practice priorities in the ar
In recent years, Knowledge Management (KM) has gained significant attention within the Information Systems (IS) community. The economic importance of data and information, often likened to “data as the new oil,” underscores the critical role of data/information/knowledge management. KM is crucial in both educational and organizational contexts. Despite growing interest, research in KM in Higher Ed
Poly(ADP-ribose) polymerases (PARPs) activate DNA repair mechanisms upon stress- and cytotoxin-induced DNA damage, and inhibition of PARP activity is a lead in cancer drug therapy. We present a structural and functional analysis of the PARP domain of human PARP-3 in complex with several inhibitors. Of these, KU0058948 is the strongest inhibitor of PARP-3 activity. The presented crystal structures
First, we present a new algorithm for the single-source shortest paths problem (SSSP) in edge-weighted directed graphs, with n vertices, m edges, and both positive and negative real edge weights. For a positive integer parameter t, in O(tm) time the algorithm finds for each vertex v a path distance from the source to v not exceeding that given by the shortest path from the source to v among the so
Solution-processable quasi-2D perovskites are regarded as promising candidates for laser gain media due to their superior exciton binding energy and stability compared to their 3D counterparts. However, quasi-2D perovskites produced through conventional methods often display a distribution of n-value phases, arising from the necessity of multiple precursors to react. The presence of impurity phase
Objectives: Iron deficiency anemia in childhood is a serious public health problem worldwide. Reticulocyte hemoglobin content (Ret-He) is a novel biomarker of iron deficiency adopted for adults but there is a lack of reference intervals for Ret-He in infants. The aim of this study was to provide data from healthy infants. Methods: Swedish infants (n = 456), born at term after normal pregnancies we
Postal Address SASNET, Scheelevägen 15 D, SE-223 70 Lund, Sweden. Visiting address Ideon Research Village, House Alfa 1, Room 2040/41 (first floor). Internal university post code: 61. Telephone + 46 46 222 36 06. Telefax +46 46-222 30 41. E-mail Anna.Lindberg@sasnet.lu.se. Internet http://www.sasnet.lu.se SASNET Swedish South Asian Studies Network Anna L indberg , d i rec tor /coord ina tor Försla
https://www.sasnet.lu.se/sites/sasnet.lu.se/files/lu_strategy_report_2011.pdf - 2026-07-22
In order to find the selection rules that can be applied to the electromagnetic transitions when the chiral geometry is achieved, a model for a special configuration in triaxial odd-odd nuclei is constructed which exhibits degenerate chiral bands with a sizable rotation. A quantum number obtained from the invariance of the Hamiltonian is given and the selection rule for electromagnetic transition
A search for excited electrons is performed using the full e(+/-) p data sample collected by the HI experiment at HERA, corresponding to a total luminosity of 475 pb(-1). The electroweak decays of excited electrons e* -> e gamma, e* -> eZ and e* -> vW with subsequent hadronic or leptonic decays of the W and Z bosons are considered. No evidence for excited electron production is found. Mass depende
The overarching aim of this thesis was to contribute to the existing knowledge on the use of assistive devices in everyday life, by adding the perspective of very old single living people in a European context, namely Latvia and Sweden. The aim was to investigate the socio-demographics and environmental and health aspects that impact on device use in the two national contexts. A further aim was to
The underlying causes of incident fractures-bone fragility and the tendency to fall-remain under-diagnosed and under-treated. This care gap in secondary prevention must be addressed to minimise both the debilitating consequences of subsequent fractures for patients and the associated economic burden to healthcare systems. Clinical systems aimed at ensuring appropriate management of patients follow
The relation between free-carrier absorption and intersubband transitions in semiconductor heterostructures is resolved by comparing a sequence of structures. Our numerical and analytical results show how free-carrier absorption evolves from the intersubband transitions in the limit of infinite number of wells with vanishing barrier width. It is explicitly shown that the integral of the absorption
Background: The healthcare sector needs to deliver evidence-based care and be cost-effective. This can be monitored in part via a national quality registry containing individualized data concerning patient problems, medical interventions, outcomes of treatment, and patient-reported outcomes. With this aim, Web Rehab Sweden was launched in 1997 and has been available online since 2007. The aim of t
