Made available in DSpace on 2014-08-20T13:25:40Z (GMT). No. of bitstreams: 1 Tese_Doutorado_Antonio_Sergio_Bonini.pdf: 2347670 bytes, checksum: 55095ae0badf05144e217978479f2c94 (MD5) Previous issue date: 2008-09-23 / The minimum air temperature is one of the meteorological variables which exercises relevant influence over environmental conditions, being one of the determining factors to the growth and development of the plants. The evaluation of the minimum air temperature, in the Southern Region of Brasil, is directly related to the identification of the more adequate periods for the sowing or planting of the various cultivation, for it permits the establishment of the critical plant phase to coincide with the period of a minor probability of harmful temperature occurrence to the cultivation. Through the thirty years of daily data study of the minimum air temperature, in twelve surface meteorological stations, in the State of Rio Grande do Sul, during the months of the year, the characterization period was done with a minimum temperature within the following interval t < 3ºC. The probability of minimum temperature to be found in the referred interval was obtained through the calculation of the conditional probability and the probability of occurrence of days with the minimum temperature within an interval of seven days, using the first-order Markov Chain Model. The results obtained showed that the probability of a determined day to be found at a minimum particular temperature depends on the precedent state, confirming, satisfactorily, the adjustment of the Markov Chain Model. The study promoted the mapping of the Ecoclimatic regions of Rio Grande do Sul based on description of the minimum temperature sequence and frost risk, thought Markov Chain Model, the use of the multiple linear regression model and Conrad & Pollak Method, thus identifying the probability dates of occurrence of the first and the last frost of the year, to help in the planning and epoch of cultivation. / A temperatura mínima do ar é uma das variáveis meteorológicas que exerce relevante influência sobre as condições ambientais, sendo um dos fatores determinantes do crescimento e desenvolvimento das plantas. A avaliação da temperatura mínima do ar, na Região Sul do Brasil, está diretamente relacionada com a identificação dos períodos mais adequados para a semeadura/plantio das diversas culturas, pois permite estabelecer que as fases críticas da planta coincidam com o período de menor probabilidade de ocorrência de temperaturas prejudiciais à cultura. Através do estudo de 30 anos de dados diários de temperatura mínima do ar de doze estações meteorológicas de superfície, no Estado do Rio Grande do Sul, durante os meses do ano, foi feita a caracterização dos períodos com temperatura mínima do ar dentro do intervalo t < 3ºC. A probabilidade de a temperatura mínima se encontrar no referido intervalo foi obtida através dos cálculos de probabilidade condicional e da probabilidade de ocorrência de dias com temperatura mínima dentro de um período de sete dias, utilizando-se o modelo da Cadeia de Markov de primeira ordem. Os resultados obtidos mostraram que a probabilidade de um determinado dia encontrar-se com uma temperatura mínima particular, depende do estado precedente, comprovando satisfatoriamente o ajuste do Modelo da Cadeia de Markov. O estudo promoveu o mapeamento das Regiões Ecoclimáticas do Rio Grande do Sul com base na descrição da seqüência de temperaturas mínimas e riscos de geadas, por meio do Método Cadeia de Markov, do uso do modelo de regressão linear múltipla e do Método Conrad & Pollak, identificando, dessa forma, as probabilidades das datas de ocorrência da primeira e da última geada do ano, para auxiliar no planejamento e épocas de cultivo.

En esta Tesis desarrollamos dos formulaciones diferentes (pero vinculadas entre sí) del principio de incerteza de la mecánica cuántica para pares de observables actuando sobre un espacio de Hilbert finito, yendo más allá del alcance de las tradicionales relaciones de incerteza de Heisenberg, de Robertson y de Schröndinger. Una de las formulaciones que desarrollamos es una extensión de la desigualdad de Landau y Pollak al caso de medidas de operadores con valores positivos y estados mixtos. Para lograr esto hicimos uso de un enfoque geométrico, definiendo la incerteza asociada al resultado de la medición de un observable a partir de métricas entre estados cuánticos. Esto nos permitió mostrar, entre otros resultados, que la métrica de Wootters da la desigualdad más restrictiva a las probabilidades máximas de los observables. La otra formulación que desarrollamos se basa en un enfoque informacional. Para ello introducimos una familia de entropías generalizadas que cuantifican la incerteza asociada a un vector de probabilidad. Obtuvimos relaciones de incerteza tipo entrópicas resolviendo el problema de minimización de la suma de entropías generalizadas sujeta a la desigualdad de Landau–Pollak. De esta manera, extendimos los resultados de de Vicente y Sánchez-Ruiz que consideraban la entropía de Shannon a otras entropías, medidas cuánticas generalizadas y estados mixtos. Asimismo, realizamos un estudio comparativo entre las cotas obtenidas y otras disponibles en la literatura, obteniendo que en muchas de las situaciones consideradas nuestra cota es más fuerte. Además, consideramos el caso del qubit de manera particular y obtuvimos la cota óptima para este caso. Por último, estudiamos la conexión entre los principios de incerteza y complementariedad, en el contexto del interferómetro de Mach–Zehnder. Encontramos que las relaciones de Schrödinger y de Landau–Pollak para ciertos observables son equivalentes a la relación de dualidad onda–corpúsculo. Con respecto a las relaciones usando entropías, la equivalencia depende de la elección de los índices entrópicos. En particular, si los índices son iguales no existe tal equivalencia. Mostramos que esta situación sirve para discernir entre los diferentes estados de mínima incerteza.

Subject of the final thesis is financial analysis of TopolWater, s.r.o. Thesis is divided onto theoretical and practical part. There are applied banruptcy models and model which review health of partiular company.

The main aim of this dissertation is to examine the different childhood discourses permeating Swedish children’s cinema. This is done through close readings of three films that, each in their own way, play an important role in the history of this tradition: THE CHILDREN OF FROSTED MOUNTAIN (Rolf Husberg, 1945), THE CHILDREN OF BULLERBY VILLAGE (Olle Hellbom, 1960) and ELVIS! ELVIS! (Kay Pollak, 1977). Other subjects analysed are media debates about children’s film from the periods in which the films were produced, as well as official reports on the same subject. Taken as a whole, these elements form a significant body of material, describing the notions of children and childhood, as well as ideas around children’s film as medium, that predominated in Swedish society at three given moments in the 20th century. The study shows, that the most striking characteristic is that ever since 1945, when the first film specifically made for children was produced in Sweden, such films have been created with the intention of ‘benefiting’ the young audience. This ‘cinema of best intentions’, in turn, contains a number of attributes that are not always as unequivocally positive as they might initially seem. One of the main starting points for this exploration comes from modern childhood studies, according to which every given time and culture has its own complex of ideas, understandings and representations of children and childhood. Another central theoretical source is Michel Foucault. His ideas of power and knowledge, discipline and oppression, as well as his methodology, permeate this study. From this point of view, there is an aspect of ‘best intentions’ children’s cinema that can be seen as imposing ‘the oppression of benevolence.’ The closing discussion shows how the Swedish children’s film, today as always, is inhibited by factors such as faithfulness to the written original, fear of upsetting the young audience and commercial demands.

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The graduation thesis deals with known creditworthy and bankruptcy models originated in Czech republic and abroad and also with two non-financial models. The methods are first described in a theoretical part with the aim of understanding their principles, advantages and disadvantages. In a practical part the methods are applied on a machinery company which was seriously affected by global economic crisis. The main aim of this thesis is to evaluate the development through years of the company's general financial health, reveal strong and weak points of the firm and compare results of the methods.

The objective of the diploma paper is to outline the economic situation of the company O-I Sales and Distribution Czech Republic, Ltd. The initial effort was to lay down the economic theory. This section describes the methodics that are applied in the practical part of the diploma paper. The practical part is concentrated on four thematic sections: describtion of the company, financial analysis of the company, calculation of bankruptcy indicators, concretely the ratio ZETA from Prof. Altman and the index IN95 and the implementation of creditworthy indicators, namely the model of the vitality from Harry Pollak and the system Balanced Scorecard. Some deficiencies, solution and measures are than refered on the basis of this analysis. The confrontation of the applied methodologies is made at the close of the diploma paper.

The thesis is focused on application of methods of financial analysis, solvent and bankruptcy indicators and methods for assessing the vitality of the company by H. Pollak. These methods will be applied on the Prague Energy Company, Inc. This thesis aims to compare the resulting values and vitality assessment of Prague Energy Company, Inc.

The paper deals with the verification of method Vitality of company evaluation, designed by Harry Pollak. The aim of this paper was to verify based on case studies the accuracy of how the method works and modify it for use in the Czech conditions. Qualitative research in the form of a guided interview was due to the effectiveness of the method verification focused on the 22 companies that have gone through crisis management. Research has shown that the method is fully functional and correctly diagnoses the health of the company, regardless of size, industry, history or location. Through revision of the method in the form of adjustment weights, changes and additions of the characteristics and their parameters was developed a new method of Vitality of company evaluation, which better reflects the conditions of Czech companies, emphasis the importance of key business elements and easier evaluates extreme situations of the company. This diagnostic method is generally applicable, simple, quickly and easily interpretable and applicable, which responds to the imperfection of previous methods. The experience of crisis management case studies show that the crisis caused by over-indebtedness or decline in demand due to external reasons are those that can be solved. The basic elements of these solutions are quality products, satisfied customers and reliable staff.

The aim of this thesis is to carry out economic analysis of Aero Vodochody, to analyze its current development and see whether the methods of analysis reflect the negative trend in the past. This should be reflected in values, which will be applied the method to acquire. The operational objective of this thesis is also to try to apply the method of Harry Pollak, which belongs to the methods of comprehensive evaluation of the business entity. It is an assessment of the vitality of the enterprise. This method is substantially subjective and relatively young, which explains the fact that it is somewhat less widespread.