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The apposition compound eye of a nocturnal bee, the halictid Megalopta genalis, is described for the first time. Compared to the compound eye of the worker honeybee Apis mellifera and the diurnal halictid bee Lasioglossum leucozonium, the eye of M. genalis shows specific retinal and optical adaptations for vision in dim light. The major anatomical adaptations within the eye of the nocturnal bee ar
Box jellyfish, or cubomedusae, possess an impressive total of 24 eyes of four morphologically different types. Compared to other cnidarians they also have an elaborate behavioral repertoire, which for a large part seems to be visually guided. Two of the four types of cubomedusean eyes, called the upper and the lower lens eye, are camera type eyes with spherical fish-like lenses. Here we explore th
We evaluate the performance of list sequence (LS) maximum a posteriori probability (MAP) decoding on the additive white Gaussian noise (AWGN) channel and the fully interleaved flat Rayleigh fading channel. In particular, we focus on the frame error rate (FER) of LS-MAP decoding with genie-assisted error detection. It is demonstrated that LS-MAP decoding yields significant performance improvements
Many independent publishers are today offering digital libraries with fulltext archives. In an attempt to provide a single user-interface to a large set of archives, DTVs Article Database Service, offers a consolidatedinterface to a geographically distributed set of archives. While this approach offers a tremendous functional advantage to a user, the delays caused by the network and queuing delays
In a study with 108 10- to 12-year-olds who used a digital educational game targeting history, we addressed the phenomenon of perseverance, that is, the tendency to stick with a task even when it is challenging. The educational game was designed to make all students encounter tasks they did not succeed to solve, at which point they were offered a set of choices corresponding to perseverance and no
We characterize the selection function of RAdial Velocity Experiment (RAVE) using 2 Micron All Sky Survey (2MASS) as our underlying population, which we assume represents all stars that could have potentially been observed.We evaluate the completeness fraction as a function of position, magnitude and colour in two ways: first, on a field-by-field basis, and second, in equal-size areas on the sky.
Evaluating the subground properties during the initial stage of a construction of building is important in order to estimate the suitability of soil quality to the technical requirements of bearing capacity, resistance to stress, and strength. This study presented the evaluation of the geotechnical properties of soil intended for the construction of Max IV facility of Lund University, performed in
We present an independent discovery and detailed characterization of K2-280 b, a transiting low density warm sub-Saturn in a 19.9-d moderately eccentric orbit (e = 0.35 -0.04+0.05) from K2 campaign 7. A joint analysis of high precision HARPS, HARPS-N, and FIES radial velocity measurements and K2 photometric data indicates that K2-280 b has a radius of Rb = 7.50 ± 0.44 R⊕ and a mass of Mb = 37.1 ±
This chapter introduces the concept of projectification, a concept that aims to capture an increasing reliance on ‘the project’ in our contemporary societies and economies. A project is often thought of as a temporary endeavour undertaken to create a unique product, service or result. However, sometimes ‘the project’ refers to something less tangible, to a discursive theme in contemporary society This chapter introduces the concept of projectification, a concept that aims to capture an increasing reliance on ‘the project’ in our contemporary societies and economies. A project is often thought of as a temporary endeavour undertaken to create a unique product, service or result. However, sometimes ‘the project’ refers to something less tangible, to a discursive theme in contemporary society
False Discovery Rate (FDR) and the Bayes risk are two different statistical measures, which can be used to evaluate and compare multiple testing procedures. Recent results show that under sparsity FDR controlling procedures, like the popular Benjamini-Hochberg (BH) procedure, perform also very well in terms of the Bayes risk. In particular asymptotic Bayes optimality under sparsity (ABOS) of BH wa
We present a novel Monte Carlo implementation of dynamic color screening via multiple exchanges of semisoft gluons as a basic QCD mechanism to understand diffractive electron-proton scattering at the HERA collider. Based on the kinematics of individual events in the standard QCD description of deep inelastic scattering at the parton level, which at low x is dominantly gluon initiated, the probabil
From the management Survey The week after Easter, an organisational and social work environment survey will be sent out. At CEC we have decided to send the survey to you who are employed at CEC, but also to you who are a teacher in the CEC kollegium or a PhD student employed at another department. This as we regard you all to be important parts of our work environment. It is designed in a way that
https://www.cec.lu.se/staff-pages/staff-newsletters/25-march-2021 - 2026-07-01
English title: Song writing and gender. The purpose of this study has been to find out if there are any differences between women's and men's song writing processes, primarily in the singer/songwriter genre. I have interviewed three female songwriters and three men about their way of writing songs. The result shows mainly that there are not any gender related differences in the way songs a
This paper is based on a study where four go-along interviews with a total of sixteen participants were conducted in three Swedish cities. The purpose of this study was to find out how different aspects and qualities of the built environment affected different persons in terms of experiences of inclusion and exclusion and strategies used to deal with obstacles in the environment. The study highlig
Risk assessment Name of project/fieldwork: Responsible person. Name and phone no.: Where: In what area? Malmö, Scania Period of fieldwork: From until Protocol for fieldwork: What is going to be done in the field? Potential risks and what to do to avoid them: Driving to, from and between field sites is most often the biggest risk in doing fieldwork! If an accident happens in
https://www.cec.lu.se/sites/cec.lu.se/files/2021-05/Risk%20assessment%20fieldwork%20CEC.docx - 2026-07-03
