Periodic boundary conditions (PBC) are well suited to describe repetitive structures in space, yet flawed for isotropic setups in which it is commonly used. We present an approach based on exploiting the congruency of a unit cell which combines the periodic nature of PBC with isotropy of an alternating cell. By applying these isotropic periodic boundary conditions (IPBC) to the standard Ewald summ

Purpose: This study examined if speed reduction effects from animal-vehicle collision (AVC) countermeasures are merely local or do extend to a wider area, and what implications the results have on road planning practice regarding AVCs. Methods: Twenty-five drivers drove repeatedly on a 9-km long road stretch in a high-fidelity driving simulator. The development of vehicle speed in the surrounding

DevOps as a new way of thinking for software development and operations has received much attention in the industry, while it has not been thoroughly investigated in academia yet. The objective of this study is to characterize DevOps by exploring its central components in terms of principles, practices and their relations to the principles, challenges of DevOps adoption, and benefits reported in t

Cisterna magna cannulation (CMc) is a straightforward procedure that enables direct access to the cerebrospinal fluid (CSF) without operative damage to the skull or the brain parenchyma. In anesthetized rodents, the exposure of the dura mater by blunt dissection of the neck muscles allows the insertion of a cannula into the cisterna magna (CM). The cannula, composed either by a fine beveled needle

We test asteroseismic radii of Kepler main-sequence and subgiant stars by deriving their parallaxes which are compared with those of the first Gaia data release. We compute radii based on the asteroseismic scaling relations as well as by fitting observed oscillation frequencies to stellar models for a subset of the sample, and test the impact of using effective temperatures from either spectroscop

In recent years, there has been significant shift from rigid development (RD) toward agile. However, it has also been spotted that agile methodologies are hardly ever followed in their pure form. Hybrid processes as combinations of RD and agile practices emerge. In addition, agile adoption has been reported to result in both benefits and limitations. This exploratory study (a) identifies developme

Occupational safety and health (OSH) is a vital part of the right to health. While the International Labor Organization (ILO) historically treated OSH as an entirely technical matter, it has increasingly been influenced by a human rights agenda. The ILO has responded by adopting and promoting a large number of international standards-in the form of conventions, recommendations, and codes of practi

A recent approach for measurement program planning, GQM+Strategies, provides an important extension to existing approaches linking measurements and improvement activities to strategic goals and ways to achieve these goals. There is a need for instruments aiding in eliciting information from stakeholders to use GQM+Strategies. The success of GQM+Strategies highly depends on accurately identifying g

Context: The global software industry and the software engineering (SE) academia are two large communities. However, unfortunately, the level of joint industry-academia collaborations in SE is still relatively very low, compared to the amount of activity in each of the two communities. It seems that the two ’camps’ show only limited interest/motivation to collaborate with one other. Many researche

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During exploratory testing sessions the tester simultaneously learns, designs and executes tests. The activity is iterative and utilizes the skills of the tester and provides flexibility and creativity. Test charters are used as a vehicle to support the testers during the testing. The aim of this study is to support practitioners in the design of test charters through checklists. We aimed to ident

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Krönika om Steven Soderberghs "Unsane"

Context: Regression testing is a well-researched area. However,the majority regression testing techniques proposed by theresearchers are not getting the attention of the practitioners. Communicationgaps between industry and academia and disparity in theregression testing goals are the main reasons. Close collaboration canhelp in bridging the communication gaps and resolving the disparities.Objecti

Kulturartikel om den politiska alt-right-rörelsen i Sverige, Storbritannien och USA med utgångspunkt från dokumentärfilmen "Spion i extremhögern"

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Krönika om tv-serien "Det som göms i snö"

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