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Online routing in a planar embedded graph is central to a number of fields and has been studied extensively in the literature. For most planar graphs no O(1)-competitive online routing algorithm exists. A notable exception is the Delaunay triangulation for which Bose and Morin (SIAM J Comput 33(4):937–951, 2004) showed that there exists an online routing algorithm that is O(1)-competitive. However
In recent years, climate change has been widely recognized as a potential problem. The building industry is taking a variety of actions towards sustainable development and climate change mitigation, such as retrofitting buildings. More than mitigation, it is important to account for climate change adaptation and investigate the probable risks and limits for mitigation strategies. For example, one
Employing a large number of antennas at the base station, massive MIMO significantly improves spectral efficiency and transmit power efficiency. On the other hand, massive MIMO also introduces unprecedented implementation challenges, especially in terms of processing and storage of large-size channel state information (CSI) matrices. Since on-chip memory is generally very expensive and has limited
This report presents the assessment of a six-week online course offered by BeChange, which was given from April to June in 2022. Through a total of five online sessions, an interactive learning platform, diverse practices and individual coaching, the course aimed to support participants in reducing their CO2 emissions, increase their climate engagement, and at the same time enhance their wellbeing
Although there are some epigenome-wide association studies (EWAS) of insulin resistance, most of them did not replicate their findings and are focused in populations of European ancestry limiting the generalizability. In EPIPREG (294 Europeans and 162 South Asians), we conducted an EWAS of insulin resistance in maternal peripheral blood leukocytes, with replication in Born in Bradford (n=879; 430
Optically stimulated luminescence (OSL) and radiocarbon (14C) techniques were employed to investigate the absolute ages of alluvial sediments in Podhale in the West Carpathians, southern Poland. This is an approach to (i) testing the credibility of the above dating methods by their reciprocal age control and (ii) further implications to regional geochronology and to dating campaigns of alluvial se
The healthy cornea is transparent, however, disease can affect its structure, rendering it more or less opaque. The ability to assess the clarity of the cornea objectively could thus be of considerable interest for keratoconus patients. It has previously been suggested that densitometry can be used to diagnose early keratoconus, and that the values of densitometry variables increase with increasin
Cesium lead iodide (CsPbI3) perovskite nanocrystals (NCs) suffer from a known transformation at room temperature from their red-emitting (black) to non-emitting (yellow) phase, induced by the tilting of PbI6 octahedra. While the reported attempts to stabilize CsPbI3 NCs mainly involve Pb2+-site doping as well as compositional and/or NC surface engineering, the black phase stability in relation onl
Popular Abstract in Swedish Avhandlingen handlar om hur fett (lipider) i kosten bryts ner och transporteras i blodet för att slutligen antingen användas som energi, byggstenar i cellväggarna eller lagras i fettväven. I den här avhandlingen kan man också läsa om hur man kan modifiera fetter med hjälp av speciella proteiner: enzymer för att förbättra näringsinnehållet och dess fysikaliska egenskaperAn important indicator of the metabolic capacity of humans is the ability to regulate plasma triacylglycerol levels and to clear triacylglycerol-rich lipoproteins (TRLs) from the circulation after a meal. This is crucial since most of the day is spent in the postprandial state. High concentrations and long circulation times of TRL remnants may be detrimental since these are considered to be highly
This study compares the time required to activate a grasp or function of a hand prosthesis when using an electromyogram (EMG) based control scheme and when using a control scheme combining EMG and control signals from an inductive tongue control system (ITCS). Using a cross-over study design, 10 able-bodied subjects used a computer model of a hand and completed simulated grasping exercises. The ti
This paper focuses on how older people in Sweden imagine the potential role of robots in their lives. The data collection involved mixed methods, including focus groups, a workshop, a questionnaire and interviews. The findings obtained and lessons learnt from one method fed into another. In total, 88 older people were involved. The results indicate that the expectations and preconceptions about ro
Given that public transportation networks are often worse in rural areas than in urban areas, it is difficult for elderly non-drivers to access health-promoting goods, services, and resources related to mental health. Moreover, geographical location, assessed by elevation, could modify this association in a rural area. The aim of this study was to test whether the association between car driving (
We study System Optimum Dynamic Traffic Assignment (SO-DTA) for realistic traffic dynamics controlled by variable speed limits, ramp metering, and routing controls. We consider continuous-time cell-based Dynamic Network Loading models that include the Cell Transmission Model with FIFO rule at the diverge junctions as well as non-FIFO diverge rules. We consider SO-DTA formulations in which the tota
Objectives: The aim of the study was to further psychometrically evaluate the instrument "Pain Impact Inventory" (PII) in various subgroups. Methods: The sample comprised 384 persons (aged between 18 and 102 years) who reported chronic pain. The instrument PII was evaluated in terms of construct validity as well as reliability. The instrument's validity was investigated through corrected item-tota
BACKGROUND: In Crohn's disease high tissue expression and serum levels of chemokines and their receptors are known to correlate with disease activity. Because statins can reduce chemokine expression in patients with coronary diseases, we wanted to test whether this can be achieved in patients with Crohn's disease. METHODOLOGY/PRINCIPAL FINDINGS: We investigated plasma levels of chemokines (CCL2, C
Hepatitis D virus (HDV) is dependent on the presence of hepatitis B virus (HBV) for transmission and replication because of its inability to produce its own coat. It remains unclear whether HDV infection increases the risk of hepatocellular carcinoma. Using the Swedish Hospital Discharge Register and Outpatient Registry, we identified 9160 patients with chronic HBV infection between 1997 and 2008,
Sesquiterpene lactone mix detects contact allergy to these compounds present in the plant family Asteraceae. This marker is present in many baseline series. An additional marker is Compositae mix, which is not present in many baseline series. To investigate whether this allergen should be inserted into the Swedish baseline series, sex dermatology centres representing the Swedish Contact Dermatitis
The rapid development of China's outbound tourism in European countries is receiving more and more attention from the European tourism industry. The improvements of the national economy, the characteristics of Chinese culture and the strengthening of the economic and cultural bonds between China and European Union countries have all played roles in its growth. This master thesis summarizes Chi
