922 resultados para Ideals (Àlgebra)


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More than gender equality. Decisions on parental leave and ideals around motherhood, fatherhood and the best interest of the child On the basis of 40 semi-structured interviews, this study discusses decision making processes regarding parental leave among nascent first-time middle-class parents in Sweden. We analyze motives and ideas behind the couples’ plans and decisions and how decisions on parental leave were made. We furthermore show how the decision making processes can be discussed in relation to the institutional context. The results show that ideals and norms of gender equality are accompanied by gendered divisions of work and care and a partially traditional view on motherhood and fatherhood. Contrary to previous studies, we do not find a clear link between gender equal ideals and explicit negotiations. An equal division of parental leave is, in some couples, taken for granted to such an extent that the decision on how to divide the leave is taken implicitly rather than explicitly. Decisions on division of parental leave are not isolated processes. Rather, ideals and norms around motherhood, fatherhood, gender equality and not least what is ‘in the best interest of the child’ constitute part of the context in which these decision making processes take place.

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The social constructions of old age and ability – the example of intellectual disability The aim of this article is to analyse and discuss constructions of old age as they are reflected in disability research with the focus on ageing and what it means to be elderly. The results of this study show three tendencies. First, the consequences of the impairment tend to be at forefront in studies of experiences of ageing among persons with intellectual disabilities. This obscures the fact that people with intellectual disabilities partake in a common idealisation of youthfulness that often contains ambivalence towards old age. Second, the concept of old age in disability research embraces significantly wider chronological age groups than those considered in ageing studies. Third, both disability and ageing research tend to use a late modern perspective of individualization as a way to illustrate new options and strategies, including resistance against stigmatisation. This article illustrates that social constructions of disability and old age are tightly interwoven, and constitute negations of normatively defined ideals of normality in a society where ability are highly regarded.

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Charter tourism as a product: a sociological analysis of agency in the experience economy In recent years charter tourism as a convenient and cost-effective mode of travelling has been declining. This may be related to dominating societal ideals promoting self-actualization, individual exploration and spontaneity. However, not much is known about the development of ideals and practices among charter tourists. By use of ethnographic fieldwork methodology, including pre-departure and post-travel telephone interviews, this exploratory study investigated a group of Danish charter tourists travelling to Gran Canaria. Results show that the charter tourists were active in navigating between a series of central dilemmas posed by the consumption of a mass product in an individualized societal context, thereby shaping their experiences to form a desirable tourist product.

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What is academic quality? On the decline of academic autonomy In light of the transformations that universities currently undergo, with Bologna as a keyword, the following questions are put: What ideals lie behind the assessment of academic “excellence” and “quality”? What agents have the ability to define what is good science and education today? These questions are approached through Pierre Bourdieus concept of field. Looking at the development the last decade, traditional academic values, such as the ideal of universal knowledge as (personal and collective) enrichment and the intellectual independence “of all political authority and economic power”, as stated in the Magna Charta Universitatum, seem to have emerged into the shadow of employability, knowledge control, competitiveness, and economic benefit. In connection with the formation of concepts such as “the knowledge society” and “knowledge based economies” the university has received a somewhat different and more central role in society. The university has come to take the role more of a knowledge producing enterprise clearly directed towards the surrounding society. There are higher demands on academic knowledge to contribute to economic, regional or national development and competitiveness. When the university is regarded as a knowledge company whose task is to accoun tfor the requests of the students, the labour market, and the business world it undertakes to follow trends and short term social phases rather than to critically examine them, which has been a traditional task for the university. If the academic work is guided by the market economical principle, that the client requests decide what quality is, instead of the experts on the academic field themselves (i.e. the scientists,) it is obviously not scientific ideals that constitute the criteria for what is good science and education.

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In this article I show how Taoist philosophy has influenced the Swedish poet, essayist and aphorist Vilhelm Ekelund. I note that the author mentions the Taoist philosophers Lao Tzu and Chuang Tzu and discusses their ideas on a couple of occasions in his later works (Atticism – Humanism, 1943; Plus salis–, 1945). Examples of such explicit influence can also be found in Ekelund’s private notebooks, posthumously published in two volumes: Hemkomst och flykt (1972) and Ur en scholaris’ verkstad (1974). I argue that Taoist philosophy implicitly influenced the Swedish author as early as the second part of the 1910’s – when he started to emphasize such principles as moderation, composure, dispassion and non-desire in his writing. I also discuss other important ideals which Ekelund shared with the Taoist philosophers, such as poverty, humility, simplicity and dishonour. Finally, I see a parallel in the anti-intellectual aspects of Taoist thinking and Ekelund’s use of the term misologi (misology), a word which often has positive connotations in his works. In Ekelund’s prose, as well as in the famous Taoist text Tao Te Ching, excessive intellectualism is frequently criticized.

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There is an awareness of the importance of gender equality in most western societies, both at the political level and in everyday life. In academia, for instance, gender is nowadays a scientific field which indicates that there is a lot of knowledge about the subject. What we do not have much knowledge about is whether gender knowledge leads to changes in gender relations in practice. The aim of this study is to explore how gender scholars relate to using – practicing – gender knowledge. Key issues in this study are how gender scholars construct gender, how they practice gender theoretical knowledge, and their reflections of gender boundaries.             Theoretically, this study is mainly based on Sara Ahmed’s perspective on gender. The main finding of the study is that despite gender knowledge gender scholars tend to reproduce traditional gender orders. By identifying concepts such as reflected and unreflected masculinity/femininity, different ideals of masculinity/femininity are made visible. There seems to be an ideal among gender scholars to practice their gender knowledge. This ideal is practiced among “gender scholar women” by doing reflected masculinity and reflected femininity. Among “gender scholar men”, however, the ideal to practice gender knowledge by doing unreflected masculinity and reflected femininity seems to be a taboo at the same time. For men, it seems important to mark a distance to a certain type of femininity and to maintain the heterosexual – straight – line. For women, it seems desirable both to distance themselves from a certain type of masculinity and femininity and thereby follow alternative – queer – lines.

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Enlightenment and boundary work: a study of the first-generation Swedish analytical philosophers from a sociology-of-philosophy perspective The history of Swedish analytical philosophy begins with the writings of Ingemar Hedenius, Anders Wedberg, and Konrad Marc-Wogau, who introduced the country to a new style of thinking that was to become the dominant mode of academic philosophizing in it from the mid-1940s to the late 1960s. The article presents a sociological analysis of how that hegemonic position was claimed and established for it in Swedish philosophy departments. In particular, the critique that Hedenius, Wedberg, and Marc-Wogau levelled in their popular writings against continental philosophy is looked upon in detail. Drawing upon Thomas Gieryn’s theory of boundary work, it is shown how the three strove for epistemic authority by demarcating their own ‘scientific’ enterprise from the ‘unscientific’ philosophy of their competitors. This quest for authority, however, was pursued not solely for its own sake: Hedenius, Wedberg, and Marc-Wogau were also all firmly committed to the ideals of enlightenment and cultural radicalism shaping the Swedish society of their time.

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This dissertation is a case study dealing with a school development project that took place in an upper secondary school as a result of a merger of two schools with different cultures. The project used a method called “Frirumsmodellen” and was planned to be conducted in three steps. The first was to carry out a cultural analysis in order to map the preconditions to start a school development project. The second was to carry out concrete actions and finally study eventual effects from such activities by doing a second cultural analysis. My role was to be a supervisor in the school development work, but at the same time study how this work was conducted and its impact in the ordinary school day. The dissertation takes its departure in the fact that schools are political governed. The mission of schools is never neutral; it is always an expression of behind laying social forces, ideologies and ideals of the contemporary society. Of this reason, there is a close connection between the macro political level and the micro political level. Another point of departure is the transition from a modern to a post modern society that gives the character to the changes that take place in schools. Steering of schools has partly been treated as a technical implementation problem. Schools contain on going conflicts between different interest groups that, more or less regularly, end up in educational reforms. These reforms generate school development activities in the single school. Undoubtedly, this makes school development to a complex process. At a rather late stage of the study I decided not to fulfil my task to follow the original plan. I instead let the school development project as a model to be in focus. The over all purpose was formulated: How is it possible to understand what happened in the school development project in the Falkgymnasiet and why was it not possible to carry it out as it was said in the project plan? To interpret what took place during the project I did create an interpretation frame of implementation and complexity theory that also made it possible to critically scrutinise the “Frirumsmodellen”. Already in an early stage of the process it was obvious that the “Frirumsmodellen” did not supply any tools to use and it became disconnected from the project. The project in it selves was marginalised and made invisible. The headmaster used the situation to change things she thought were important to develop. As a result, things happened, but most of the involved people did not at first hand connect this to the project. It is, of course, difficult in detail to say what caused what. The complexity theory successively made the hidden patterns revealed, hidden unofficial potentates visible, as well as unpredictable conditions that generated reactions from the personnel in front of a development work. Together this was rather efficient obstacles for not changing this school. I also discuss school development and implementation problems on a general level, for example, the possibility to transform a top-down initiated project to be bottom-up driven and using project as a tool for school development work. It was obvious that headmasters and teachers must be prepared to handle the ideological dimensions of problems schools have to face. Consequently, development work is about making problems visible and to handle these in the intersection point between the intentions of educational policies, pedagogical researchers, school administrators, headmasters, teachers and pupils. The ideological dimension also contains an existential issue. Do I as a teacher share the intentions for the development work? If not, how must I act?

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German-Austrian Robert Musil (1880-1942) is considered an artist with an extremely unorthodox conception of art to a basic human problem. In his time, there existed a dissociation of substance from social values. Musil actually started with this foundation in considering the taunting dilemma that the accelerating technology of the century is overstepping each day the ability of the human mind to adjust to it. Musil maintained that social organization, patterns of thought and cherished ideals correspond to a reality that no longer exists

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In this thesis, my goal is to construct a vision of an ideal setting for children. By examining different ways of thinking about children and childhood, and by considering different approaches which have worked or do work practically, I will seek to envision something better for children. Trying to reach a better context for children will also include an inherent criticism of current conditions. Based on these criticisms, I will identify the elements that I believe can contribute to an ideal setting in which children can not only lead safe, healthy and happy lives, but also develop their own unique potential. The discipline of the history of childhood as well as cross-cultural studies show the relativistic nature of childhood. The concept of childhood, expectations of children, and societal roles for children have changed drastically over time and differ across cultures today. Children's advocates and the children's rights movement both reflect and promote changes in the context of childhood. As attitudes about childhood change, efforts arise to bring reality into line with the new ideals and images. Efforts toward improving children's rights also spread new ideas about children through the society.

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Frequent advances in medical technologies have brought fonh many innovative treatments that allow medical teams to treal many patients with grave illness and serious trauma who would have died only a few years earlier. These changes have given some patients a second chance at life, but for others. these new treatments have merely prolonged their dying. Instead of dying relatively painlessly, these unfortunate patients often suffer from painful tenninal illnesses or exist in a comatose state that robs them of their dignity, since they cannot survive without advanced and often dehumanizing forms of treatment. Due to many of these concerns, euthanasia has become a central issue in medical ethics. Additionally, the debate is impacted by those who believe that patients have the right make choices about the method and timing of their deaths. Euthanasia is defined as a deliberate act by a physician to hasten the death of a patient, whether through active methods such as an injection of morphine, or through the withdrawal of advanced forms of medical care, for reasons of mercy because of a medical condition that they have. This study explores the question of whether euthanasia is an ethical practice and, as determined by ethical theories and professional codes of ethics, whether the physician is allowed to provide the means to give the patient a path to a "good death," rather than one filled with physical and mental suffering. The paper also asks if there is a relevant moral difference between the active and passive forms of euthanasia and seeks to define requirements to ensure fully voluntary decision making through an evaluation of the factors necessary to produce fully informed consent. Additionally, the proper treatments for patients who suffer from painful terminal illnesses, those who exist in persistent vegetative states and infants born with many diverse medical problems are examined. The ultimate conclusions that are reached in the paper are that euthanasia is an ethical practice in certain specific circumstances for patients who have a very low quality of life due to pain, illness or serious mental deficits as a result of irreversible coma, persistent vegetative state or end-stage clinical dementia. This is defended by the fact that the rights of the patient to determine his or her own fate and to autonomously decide the way that he or she dies are paramount to all other factors in decisions of life and death. There are also circumstances where decisions can be made by health care teams in conjunction with the family to hasten the deaths of incompetent patients when continued existence is clearly not in their best interest, as is the case of infants who are born with serious physical anomalies, who are either 'born dying' or have no prospect for a life that is of a reasonable quality. I have rejected the distinction between active and passive methods of euthanasia and have instead chosen to focus on the intentions of the treating physician and the voluntary nature of the patient's request. When applied in equivalent circumstances, active and passive methods of euthanasia produce the same effects, and if the choice to hasten the death of the patient is ethical, then the use of either method can be accepted. The use of active methods of euthanasia and active forms of withdrawal of life support, such as the removal of a respirator are both conscious decisions to end the life of the patient and both bring death within a short period of time. It is false to maintain a distinction that believes that one is active killing. whereas the other form only allows nature to take it's course. Both are conscious choices to hasten the patient's death and should be evaluated as such. Additionally, through an examination of the Hippocratic Oath, and statements made by the American Medical Association and the American College of physicians, it can be shown that the ideals that the medical profession maintains and the respect for the interests of the patient that it holds allows the physician to give aid to patients who wish to choose death as an alternative to continued suffering. The physician is also allowed to and in some circumstances, is morally required, to help dying patients whether through active or passive forms of euthanasia or through assisted suicide. Euthanasia is a difficult topic to think about, but in the end, we should support the choice that respects the patient's autonomous choice or clear best interest and the respect that we have for their dignity and personal worth.

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O objetivo desta dissertação é a paralelização e a avaliação do desempenho de alguns métodos de resolução de sistemas lineares esparsos. O DECK foi utilizado para implementação dos métodos em um cluster de PCs. A presente pesquisa é motivada pela vasta utilização de Sistemas de Equações Lineares em várias áreas científicas, especialmente, na modelagem de fenômenos físicos através de Equações Diferenciais Parciais (EDPs). Nessa área, têm sido desenvolvidas pesquisas pelo GMC-PAD – Grupo de Matemática da Computação e Processamento de Alto Desempenho da UFRGS, para as quais esse trabalho vem contribuindo. Outro fator de motivação para a realização dessa pesquisa é a disponibilidade de um cluster de PCs no Instituto de Informática e do ambiente de programação paralela DECK – Distributed Execution and Communication Kernel. O DECK possibilita a programação em ambientes paralelos com memória distribuída e/ou compartilhada. Ele está sendo desenvolvido pelo grupo de pesquisas GPPD – Grupo de Processamento Paralelo e Distribuído e com a paralelização dos métodos, nesse ambiente, objetiva-se também validar seu funcionamento e avaliar seu potencial e seu desempenho. Os sistemas lineares originados pela discretização de EDPs têm, em geral, como características a esparsidade e a numerosa quantidade de incógnitas. Devido ao porte dos sistemas, para a resolução é necessária grande quantidade de memória e velocidade de processamento, característicos de computações de alto desempenho. Dois métodos de resolução foram estudados e paralelizados, um da classe dos métodos diretos, o Algoritmo de Thomas e outro da classe dos iterativos, o Gradiente Conjugado. A forma de paralelizar um método é completamente diferente do outro. Isso porque o método iterativo é formado por operações básicas de álgebra linear, e o método direto é formado por operações elementares entre linhas e colunas da matriz dos coeficientes do sistema linear. Isso permitiu a investigação e experimentação de formas distintas de paralelismo. Do método do Gradiente Conjugado, foram feitas a versão sem précondicionamento e versões pré-condicionadas com o pré-condicionador Diagonal e com o pré-condicionador Polinomial. Do Algoritmo de Thomas, devido a sua formulação, somente a versão básica foi feita. Após a paralelização dos métodos de resolução, avaliou-se o desempenho dos algoritmos paralelos no cluster, através da realização de medidas do tempo de execução e foram calculados o speedup e a eficiência. As medidas empíricas foram realizadas com variações na ordem dos sistemas resolvidos e no número de nodos utilizados do cluster. Essa avaliação também envolveu a comparação entre as complexidades dos algoritmos seqüenciais e a complexidade dos algoritmos paralelos dos métodos. Esta pesquisa demonstra o desempenho de métodos de resolução de sistemas lineares esparsos em um ambiente de alto desempenho, bem como as potencialidades do DECK. Aplicações que envolvam a resolução desses sistemas podem ser realizadas no cluster, a partir do que já foi desenvolvido, bem como, a investigação de précondicionadores, comparação do desempenho com outros métodos de resolução e paralelização dos métodos com outras ferramentas possibilitando uma melhor avaliação do DECK.

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A crescente demanda por produtos de melhor qualidade, diferenciados e com custos competitivos tem forçado as manufaturas a se tornarem flexíveis, capacitando-as a responder às mudanças impostas pelo mercado. A flexibilidade permite que as empresas alcancem a customização desejada através da capacitação do sistema de responder e atuar em tempo real, mesmo em um ambiente de incertezas. Para atuar em tempo real, os sistemas de manufatura precisam de representações eficientes dos planos de produção. Muitas vezes, a atuação em tempo real torna-se inviável devido ao crescimento exponencial no número de planos de produção para cada máquina ou operação adicionada ao sistema. Uma possível solução para este problema é uso de representações adequadas para o espaço de estados. A escolha de uma representação adequada para o espaço de estados influencia na capacidade de reposta em tempo real, pois determina o desempenho computacional do sistema através da utilidade e eficiência dos algoritmos desenvolvidos, tornando possível explorar problemas clássicos de flexibilidade, tais como, seqüenciamento, otimização, etc. Entretanto, a geração de uma representação que trabalhe com o espaço de estados completo de uma manufatura é considerada um problema não polinomial (NP). Esta particularidade dificulta o desenvolvimento de algoritmos que trabalhem com uma manufatura flexível. Assim, a geração de uma representação, que trabalhe com pouca memória computacional e permita o desenvolvimento de heurísticas eficientes, é um importante desafio para uma avaliação efetiva da flexibilidade. Este trabalho objetiva o desenvolvimento de uma representação para o espaço de estados de uma manufatura com flexibilidade de seqüência. Na construção desta representação são aplicadas técnicas de modelagem baseadas na teoria dos grafos e nos princípios de álgebra booleana. Inicialmente, os grafos são utilizados para representar todas as seqüências de operações de uma manufatura, posteriormente estas seqüências são convertidas em formas normais disjuntivas (FND). Por fim, é apresentada uma possível aplicação da representação na FND em modelos de programação linear.

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