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We present a new class of iteratively decodable turbo-like codes, called braided convolutional codes. Constructions and encoding procedures for tightly and sparsely braided codes are introduced. Sparsely braided codes exhibit good convergence behavior with iterative decoding, and a statistical analysis using Markov permutors shows that the free distance of these codes grows linearly with constrain
Popular Abstract in Swedish Sedan 1970-talet har damfotboll i Sverige spelats med seriesystem på en nationell nivå. Damfotboll innebär troligtvis en ökad risk för knäledsförslitning, en risk som inte blir mindre med tanke på den höga förekomsten av allvarliga knäskador. Det går emellertid inte att bortse från de positiva effekterna, såväl fysiska som psykiska, som fotbollsspel också innebär. DamfoThe overall purpose was to investigate female soccer regarding injuries, risk factors, posttraumatic OA and non-traumatic OA. A prospective study of injuries in eight female soccer teams, from the six available levels, was performed during one season. The total injury rate was 14.3 and 3.7/1000 game and practice hours, respectively. The knee (26%) was the most common place for injury, followed by
In this text I examine how leading theologians within the Church of Sweden during the latter half of the nineteenth century elaborated on historical men as heroes in public speeches and in their works on the history of Christianity. The Christian hero as a prototype for contemporary Christians was emphasised within an evolving nationalistic discourse. The historical hero was of crucial importance
Popular Abstract in French Phytoplancton invasif : génétique des populations, phylogéographie, et facteurs facilitant l’invasion par Gonyostomum semen De nos jours, les espèces invasives représentent une importante menace à la biodiversité. Une espèce invasive colonise un nouvel environnement, ou elle était absente, et atteint de forte densité rapidement, diminuant l’abondance ou remplaçant les esnvasive species is a major threat to ecosystems and biodiversity. Invasions by macroorganisms have been intensively studied, but little is known concerning microbial invasions. In aquatic environments, phytoplankton, i.e. autotrophic microbes, have a key role as primary producers. In my thesis, I focused on the population genetic structure and phylogeography of the freshwater raphidophyte Gonyosto
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Popular Abstract in Swedish Jürgen Habermas uppfattas idag ofta som dagens ledande samhällsteoretiker. Samtidigt är hans tänkande svårtillgängligt och ofta utsatt för missuppfattningar. De flesta försök att klargöra och diskutera hans kritiska teori har varit filosofiskt och idéhistoriskt inriktade. Denna avhandling framställer däremot hans kommunikativa handlingsteori genom att 'positionera' den This is a dissertation in social theoretical research. Its main subject is the critical social theory of the later Jürgen Habermas, that is, the social theory of Habermas which has broken with his earlier attempt to found social theory in an anthropology of knowledge and which instead - since the beginning of the seventies - takes its point of departure in the presuppositions of communicative acti
