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In 1992, American linguist Johanna Nichols introduced a new method of detecting typological patterns at great time depths, based on the morphological analysis and cross-linguistic comparisons of several structural types and grammatical categories (Nichols 1992). She claimed that her method reveals patterns that may go back as far as the initial modern human colonization of the globe, and she set u
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Literature reviews lay the foundation for almost every academic research project, and sometimes are a scholarly contribution in its own right. To increase rigor and credibility the findings have to be valid and reliable just as in any other type of research. This paper summarizes recent methodological developments in the application systematic literature reviews in supply chain management. It anal
Reliability in Ricean multiple-input-multipleoutput (MIMO) channels is crucial for safety-related vehicle-tovehicle (V2V) applications. In Ricean channels, there is a signalto- noise ratio-dependent critical data rate below which signaling with zero outage is possible. The link will be more reliable the higher this critical data rate is. We present results of spectral efficiency and outage probabi
Regular column on theatre in the weekly newspaper Arbetaren (The Worker).
This paper presents a resource management strategy for control tasks that maximizes control performance within the available resources by readjusting the task periods at run-time. A feedback scheduler is used to determine on-line the optimal task periods considering the response over a finite time horizon of the plants controlled by arbitrary linear control laws. We show how this problem can be ex
Ambitionen att förhindra uppkomsten av kriser innebär att EU slagit in på en farlig väg där olika demokratiformer växlas mot varandra. EU:s krav på könsbalanserade styrelser är ett exempel, skriver Lars Oxelheim.
A predictive PI (proportional-integral) controller with dead-time compensation is described. Its advantage compared with previous dead-time compensating controllers is that although it also contains five parameters, only three are adjusted by the operator, namely, the gain, the integral time and the dead time. The controller is also suited for processes with varying dead times. Conceptually, the n
Popular Abstract in Swedish Experimentella data från kollisioner mellan guldjoner vid hög energi har analyserat inom ramen för experimentet PHENIX, som finns vid en av kollisionspunkterna vid ''the Relativistic Heavy-Ion Collider'' på ''Brookhaven National Laboratory'', New York (USA). Kollisioner med tunga joner, så som guld, används i försök till att återskapa de förhållanden som fanns i univerThe properties of the basic building blocks of nuclear matter, the quarks, and their interactions are not known in detail, largely because observations are complicated by the confinement of quarks in composite particles. New insights can be gained from the study of nuclear matter in a deconfined phase, like the form of matter that the Universe consited of early in its evolution according to the Bi
Metamaterial applications such as cloaking, perfect lenses, and artificial permeability are restricted by the frequency dependence of the permittivity, permeability, and index of refraction. Here, causality and passivity together with integral identities for Herglotz functions are used to construct sum rules. The sum rules relate the frequency dependence of the material parameters with their high-
