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The quaternary system comprising sodium dodecyl sulfate/water/pentanol/dodecane has been studied at high oil content and at two different water-to-surfactant ratios. Of particular interest is a highly flow birefringent, isotropic fluid phase, which occupies an island in the pseudo-ternary phase diagrams between the L2 phase and the L3 phase and which is in close proximity to
We use a genetic algorithm to theoretically optimize several properties of extreme ultraviolet (XUV) radiation, generated as high-order harmonics in xenon and argon. We maximize the harmonic pulse energy, minimize the pulse duration or optimize the temporal coherence by varying at the same time two or three parameters that are easily accessible in experiments, related to the characteristics of the
The actual place for the murder cases is the small town Ystad in the south of Sweden. This is the scene for the films and books about the police inspector Kurt Wallander, created by the Swedish author and playwright Henning Mankell. Ystad is also the place where a new regional centre for film production is situated, and the Wallander movies play an important part in the economic conditions of this
A counterfactual perspective on the development at the Europeanisation at the Baltic Sea between 1100 and 1400.
Kai Söderhjelm (b. 1918 in Helsinki, d. 1996 in Gothenburg) belonged to a Finland-Swedish cultural family, and was for many years an important and valuable figure in the intellectual life of Sweden. Söderhjelm’s authorship follows the same clear thematic lines from his first book, Rid mot nordväst (1948; Ride to the northwest), to his last, Okänt land (1993; Unknown land). These themes are peace,
In this paper we focus on the many extreme credit default swap spread movements observed during the recent credit crisis. We find that the tails of the spread (and price) change distribution differ significantly from those of the normal distribution even for diversified credit derivatives portfolios. Particular focus is put on the sudden shift in the behavior of the credit default swap market in t
