4 resultados para two-to-one trapdoor functions

em Research Open Access Repository of the University of East London.


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The premiere of Season Two of Twin Peaks garnered some of the highest ratings of the series, with celebrated filmmaker and co-creator David Lynch stepping back into the director’s chair. Yet, within this episode many traditional television conventions are flouted, and in response the following week the ratings dropped dramatically. From its slow-paced opening scenes in which an old man admonishes the wounded, bleeding protagonist to drink his warm milk before it gets cold, followed by a vision of a giant speaking in riddles, this episode not only tested its audience’s patience but also seemed to set out to deliberately confuse them. In this essay I will explore how this episode is an example of auteur television, an episode in which the director expresses a consistency of style and theme that is similar to their other work, as well as examine how Lynch’s approach to televisual aesthetics has influenced the way that contemporary film directors have crossed over into the television medium. However, when taking into account the differences in the two media of film and television notions of authorship, with regards to the position of the director, become complicated, especially when considering contemporary television and the rise of the showrunner as key creative force. Even when looking back at Lynch’s contribution to Twin Peaks it becomes clear that the series was deeply collaborative, with Lynch absent during parts of the filming. Yet, when examining the extensive material that has been written about Twin Peaks there is still a continuing tendency to place Lynch as the sole author. The placement of Lynch as author can be argued in relation to the episodes he directed (as will be explored below in relation to the first episode of Season Two), but cannot be attributed to him alone when considering the series as a whole. Finally, I will discuss how the figure of the television auteur has become a central element of television reception rather than production, an integral part of a viewer’s search for narrative meaning in a medium where complexity and mystery are now expected and enjoyed. Just as fans scrambled to uncover the many secrets and mysteries of Twin Peaks by looking to Lynch’s other works for answers, a similar process is experienced by fans of television shows existing today.

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A patient with loin pain haematuria syndrome suffering chronic throbbing pulsing pain overlaid with prolonged periods of incapacitating colic and overnight vomiting was presented 10 months following diagnosis. Ultrasound was normal. No renal or ureteral stones, or filling defects were seen on CT. At cytoscopy, bladder and urethra were normal, and bloody urine effluxed from the left ureteric orifice. The ureters were normal at diagnosis, and developed new abutting non‐penetrating calcifications by 8 months. Pain episodes of complete incapacitating intensity of 2–4 h duration were reduced to 10 min with 5 mg crushed tadalafil administered at onset. If tadalafil was delayed to after onset, the original course of agony resulted. Daily tadalafil reduced loin pain intensity, but not the exacerbations. Tadalafil efficacy may indicate that the pain exacerbations are due to spasm of ureter smooth muscle. 5 mg tadalafil taken at onset alleviated severe loin pain exacerbations in this case of loin pain haematuria syndrome.

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Dependence clusters are (maximal) collections of mutually dependent source code entities according to some dependence relation. Their presence in software complicates many maintenance activities including testing, refactoring, and feature extraction. Despite several studies finding them common in production code, their formation, identification, and overall structure are not well understood, partly because of challenges in approximating true dependences between program entities. Previous research has considered two approximate dependence relations: a fine-grained statement-level relation using control and data dependences from a program’s System Dependence Graph and a coarser relation based on function-level controlflow reachability. In principal, the first is more expensive and more precise than the second. Using a collection of twenty programs, we present an empirical investigation of the clusters identified by these two approaches. In support of the analysis, we consider hybrid cluster types that works at the coarser function-level but is based on the higher-precision statement-level dependences. The three types of clusters are compared based on their slice sets using two clustering metrics. We also perform extensive analysis of the programs to identify linchpin functionsfunctions primarily responsible for holding a cluster together. Results include evidence that the less expensive, coarser approaches can often be used as e�ective proxies for the more expensive, finer-grained approaches. Finally, the linchpin analysis shows that linchpin functions can be e�ectively and automatically identified.

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The current study was carried out to evaluate the impact of a well-being curriculum based on existing knowledge of themes within PP, which contribute to well-being. The Positive Well-Being Curriculum consists of twelve ninety minute sessions delivered weekly during a school term. The twelve well-being sessions fit into four domains: positive experience, positive emotions, positive relationships, achievement and meaning (Seligman, 2007). The objectives of the study were to test the practical implications of running a well-being curriculum, to develop a range of activities within each domain and to evaluate the impact on student well-being with regard to life satisfaction, positive affectivity and subjective happiness. A pilot was carried out as preparation for the main mixed method intervention study, which was conducted in two London primary schools. Pre and post data was collected using standardised measures, focus groups and one to one interviews. Findings from the pilot demonstrated a significant increase in well-being as demonstrated by increases in: life satisfaction, positive affect and subjective happiness. Additional information was gathered which informed the content and implementation of the curriculum in the main study. The experience of taking part in the study as evidenced through qualitative and quantitative results, indicate that the Positive Well-being Curriculum was perceived by participating teachers and children to contribute positively to the well-being of the children. These findings would be of interest to educational psychologists as there is an increasing interest by schools to include creative and validated resources to support and enhance the well-being of all children. A number of useful insights were developed about the usefulness of the curriculum for children in a variety of educational settings.