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Qualificações de restrições em otimização não linear com tempo contínuo / Constraints qualifications in nonlinear optimization with continuous timeMonte, Moisés Rodrigues Cirilo do 09 March 2018 (has links)
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Previous issue date: 2018-03-09 / O problema de otimização com tempo contínuo consiste em maximizar um funcional integral, sujeito a restrições de igualdade e desigualdade, onde as funções envolvidas pertencem a um espaço de Banach e variam num certo intervalo de tempo. Os resultados obtidos fornecem condições necessárias para que uma determinada função seja solução do problema. Qualificações de restrições são estabelecidas a m de se obter tais condições necessárias de otimalidade. Para problemas com restrições de desigualdade apenas, faz-se uso de um teorema de alternativa generalizado para se obter condições tipo Karush-Kuhn-Tucker. Para tratar problemas com restrições de igualdade e desigualdade, teoremas da função implícita uniforme e da aplicação inversa uniforme são necessários. / The continuous-time nonlinear programming problem consists in maximizing an integral functional, subject to equality and inequality constraints, where the involved functions belong to a Banach Space and vary over a certain period of time. The obtained results provide the necessary conditions for a given function to solve the problem. Constraints quali cation are established in order to achieve such necessary optimality conditions. For problems with inequality constraints only, a generalized alternative theorem is used to obtain Karush-Kuhn-Tucker-type conditions. To address problems with equality and inequality constraints, uniform implicit function and uniform inverse mapping theorems are necessary.
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Vyhodnocení legislativních předpisů pro speciální silniční přepravu mezi Českou republikou a severní Evropou / Evaluation of Legislative Regulations for Special Road Transport between the Czech Republic and North EuropeKuře, Arnošt January 2010 (has links)
he project evaluates legislative regulations for special road transport between the Czech Republic and Northern Europe. The main purpose of the project is to formulate a basic methodology for non-standard shipment’s transit. Work observes destination of the Czech Republic - Denmark, Finland, Norway and Sweden. There exist differences in legislative conditions for the particularly heavy and oversized loads transport in these countries. The main objective is to evaluate these conditions and recommend utilization for Czech carriers. The thesis aims to enumerate the various national legal standards for excessive transportation and recommend implementation outputs for correct and a quick orientation in the rights and obligations during executing carriage for the Czech carriers. The basic metodology how to transport oversized loads results from this project.
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Optimality Conditions for Cardinality Constrained Optimization ProblemsXiao, Zhuoyu 11 August 2022 (has links)
Cardinality constrained optimization problems (CCOP) are a new class of optimization
problems with many applications. In this thesis, we propose a framework
called mathematical programs with disjunctive subspaces constraints (MPDSC), a
special case of mathematical programs with disjunctive constraints (MPDC), to investigate
CCOP. Our method is different from the relaxed complementarity-type reformulation
in the literature. The first contribution of this thesis is that we study various stationarity conditions for MPDSC, and then apply them to CCOP. In particular, we recover disjunctive-type strong (S-) stationarity and Mordukhovich (M-) stationarity for CCOP, and then reveal the relationship between them and those from the relaxed complementarity-type reformulation. The second contribution of this thesis is that we obtain some new results for MPDSC, which do not hold for MPDC in general. We show that many constraint qualifications like the relaxed constant positive linear dependence (RCPLD) coincide with their piecewise versions for MPDSC. Based on such result, we prove that RCPLD implies error bounds for MPDSC. These two results also hold for CCOP. All of these disjunctive-type constraint qualifications for CCOP derived from MPDSC are weaker than those from the relaxed complementarity-type reformulation in some sense. / Graduate
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Tvorba a uplatnění požadavků na nezbytné dodávky při přípravě na řešení krizových situací v podmínkách ORP / The creation and application requirements for the necessary supplies for the purposes of preparation for dealing with crisis situations under the conditions of a municipality with extended competenceKUBIŠTOVÁ, Ludmila January 2011 (has links)
This thesis deals with the necessary supplies in terms of municipalities with extended powers. Specifically, it focuses on the creation and application of the requirements for necessary supplies. The thesis is divided into a theoretical part and a practical one. The theoretical part of the thesis discusses the economic measures for crisis situations in general; it discusses the entities that deal with necessary supplies. The main role among these entities is played by the Administration of State Material Reserves. One of the objectives of the thesis is to map these entities. Another objective of the thesis is devoted to the analysis and evaluation of the creation and application of the requirements for necessary supplies in the preparation for dealing with crisis situations. This second objective is fulfilled in both the theoretical and practical parts. The practical part was carried out in the form of a questionnaire survey. The questionnaires were sent to the crisis entities of municipalities with extended powers in the South Bohemian Region and the Vysočina Region to enable comparison. These two regions are similar both in size and the number of municipalities with extended powers. These questionnaires helped to confirm the assumed hypothesis that municipalities with extended powers effectively create and apply the requirements for necessary supplies.
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Enhanced gradient crystal-plasticity study of size effects in B.C.C. metalDemiral, Murat January 2012 (has links)
Owing to continuous miniaturization, many modern high-technology applications such as medical and optical devices, thermal barrier coatings, electronics, micro- and nano-electro mechanical systems (MEMS and NEMS), gems industry and semiconductors increasingly use components with sizes down to a few micrometers and even smaller. Understanding their deformation mechanisms and assessing their mechanical performance help to achieve new insights or design new material systems with superior properties through controlled microstructure at the appropriate scales. However, a fundamental understanding of mechanical response in surface-dominated structures, different than their bulk behaviours, is still elusive. In this thesis, the size effect in a single-crystal Ti alloy (Ti15V3Cr3Al3Sn) is investigated. To achieve this, nanoindentation and micropillar (with a square cross-section) compression tests were carried out in collaboration with Swiss Federal Laboratories for Materials Testing and Research (EMPA), Switzerland. Three-dimensional finite element models of compression and indentation with an implicit time-integration scheme incorporating a strain-gradient crystal-plasticity (SGCP) theory were developed to accurately represent deformation of the studied body-centered cubic metallic material. An appropriate hardening model was implemented to account for strain-hardening of the active slip systems, determined experimentally. The optimized set of parameters characterizing the deformation behaviour of Ti alloy was obtained based on a direct comparison of simulations and the experiments. An enhanced model based on the SGCP theory (EMSGCP), accounting for an initial microstructure of samples in terms of different types of dislocations (statistically stored and geometrically necessary dislocations), was suggested and used in the numerical analysis. This meso-scale continuum theory bridges the gap between the discrete-dislocation dynamics theory, where simulations are performed at strain rates several orders of magnitude higher than those in experiments, and the classical continuum-plasticity theory, which cannot explain the dependence of mechanical response on a specimen s size since there is no length scale in its constitutive description. A case study was performed using a cylindrical pillar to examine, on the one hand, accuracy of the proposed EMSGCP theory and, on the other hand, its universality for different pillar geometries. An extensive numerical study of the size effect in micron-size pillars was also implemented. On the other hand, an anisotropic character of surface topographies around indents along different crystallographic orientations of single crystals obtained in numerical simulations was compared to experimental findings. The size effect in nano-indentation was studied numerically. The differences in the observed hardness values for various indenter types were investigated using the developed EMSGCP theory.
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Mesures en trois dimensions des distorsions cristallines par imagerie en diffraction de Bragg : application aux cristaux de glace / 3D resolved distortion measurements by Bragg diffraction imaging : application to ice crystalsKluender, Rafael 29 September 2011 (has links)
La déformation visco-plastique de la glace est fortement anisotrope, le plan de glissement préferé étant la plan de base. Le fait que dans un polycristal chaque grain possède sa propre direction de déformation produit des incompatibilités et un champ de contrainte complexe. La déformation à été étudiée expérimentellement en mésurant la dis- tortion des plans cristallins de mono- et polycristaux de glace artificielle. Les expériences ont été réalisées à l'aide d'un faisceau synchrotron. Une nouvelle procédure éxperimental, basée sur les méthodes de l'imagerie en diffraction de Bragg, comme lumière blanche, im- agerie sur la courbe de diffraction et topographie laminaire et ponctuelle, a été dévéloppée. Les désorientations angulaires, les largeurs à mi-hauteur et les intensités intégrées ont été mésurées dans les trois dimensions spatiales de l'échantillon et avec une résolution de 50× 50 × 50µm3. Les algorithmes d'analyse de données ont été écrits pour extraire des données des résultats quantitatifs, et pour calculer les neuf composantes du tenseur de courbure ainsi que la distortion entière des plans cristallins. Les résultats ont permis d'observer les premières étappes de la déformation de la glace. Par example la polygonisation d'un grain à été observée. / The viscoplastic deformation of ice is strongly anisotropic. The preferred glide system is on the basal plane. In a polycrystal each grain exhibits its own deformation direction. As a result the deformation of polycrystalline ice is associated with strain in- compatibilities, especially at the grain boundaries and the triple junction. The deforma- tion process was experimentally investigated by measuring crystal lattice distortions of single- and polycrystalline, artificially grown ice crystals. The experiments were benefic- ing from a synchrotron X-ray beam. A new experimental method, based on Bragg diffrac- tion imaging (X-ray topography) methods, as white beam X-ray diffraction topography, rocking curve imaging, section- and pinhole X-ray topography was used. Angular mis- orientations, full-width-half-maxima and integrated Bragg diffracted intensities have been measured along the three spatial dimensions of the sample and with a spatial resolution of around 50µm × 50µm × 50µm. Data analysis algorithms were written in order to extract quantitative results from the data and to calculate all nine components of the curvature ten- sor, as well as the entire lattice distortion in the sample. The results give an insight into the early stages of plastic deformation of ice, i.e. the polygonisation of a grain was observed.
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O companheiro na qualidade de herdeiro necessário e seu direito à legítima / The partner as a necessary heir and his right to legitimeLigiera, Wilson Ricardo 09 May 2013 (has links)
Esta tese tem por objeto o estudo do direito sucessório dos companheiros na união estável, tema que, cada vez mais, tem despertado grande interesse da sociedade. O ser humano, em decorrência de sua falibilidade e suscetibilidade a doenças, ferimentos e velhice, está sujeito à morte, fim inexorável de sua existência. A pessoa fenece, enquanto seus bens remanescem, sendo transmitidos a seus herdeiros, legítimos ou testamentários, e legatários. A sucessão legítima é aquela que se dá de acordo com a ordem preferencial estabelecida na lei; a testamentária, a que ocorre de acordo com a declaração de última vontade do falecido, expressa em testamento. Os herdeiros legítimos podem ser necessários ou facultativos: estes podem ser afastados da herança pelo fato de o falecido dispor de seus bens sem contemplá-los; aqueles, entretanto, não podem ser privados de parcela mínima da herança, a que têm direito, chamada de legítima, a não ser que sejam excluídos da sucessão por ato de indignidade ou deserdados pelo testador, em decorrência de ato atentatório à sua pessoa, nas hipóteses previstas em lei. O Código Civil de 2002 modificou profundamente a sucessão decorrente dos vínculos conjugal e convivencial. O cônjuge passou a concorrer não só com os descendentes do autor da herança, dependendo do regime de bens, mas também com os ascendentes, neste caso independentemente do estatuto patrimonial adotado. Ademais, foi elevado à categoria de herdeiro necessário, à qual antes só pertenciam os descendentes e ascendentes do de cujus. O companheiro supérstite, por outro lado, não foi declarado expressamente herdeiro necessário, embora também concorra à herança com os descendentes e ascendentes do morto. A presente pesquisa examina a posição sucessória daqueles que vivem em união estável, considerada entidade familiar pela Constituição da República Federativa do Brasil, em contraste com a sucessão do cônjuge, a fim de perscrutar, por meio de ampla investigação bibliográfica, legal e jurisprudencial, se o companheiro deve ou não ser considerado herdeiro necessário, do que dependerá seu direito à legítima. / The objective of this thesis is to examine succession law in connection with common law marriage (stable union), an issue that has garnered increasing public attention. Due to their intrinsic fallibility and vulnerability to disease, injury, and old age, human beings are subject to death, to the inexorable end of their existence. Yet while human beings are destined to meet their end, their property and assets remain behind, transferred to their heirs, either legitimate or testamentary, and legatees. Legitimate succession is based on the order of preference, as prescribed in law; testamentary succession is based on a statement of last wishes by the deceased, as expressed in a will. Legitimate heirs may be necessary or optional: although the latter may be left out of the inheritance by the deceased upon disposition of his or her property and assets, the former may not be deprived of a minimum share of the inheritance, to which they have a right, also known as legitime, unless they are excluded as a consequence of an act of indignity or disinherited by the testator by virtue of an offense against such person, as provided for by law. The 2002 Brazilian Civil Code significantly modified succession for cases of marriage and cohabitation. The spouse may now claim a share of the inheritance alongside the testators descendants, depending on the particular marital property system applied, and ascendants as well, in this case irrespective of the specific property division system invoked. In addition, spouses are now classified as necessary heirs, a category previously reserved for descendants and ascendants of the deceased. However, the Civil Code does not expressly include surviving partners as necessary heirs, although they are entitled to claim a share of the inheritance alongside the ascendants and descendants of the deceased. This study considers the succession rights of individuals in common law marriage, considered a family entity under the Constitution of the Federative Republic of Brazil, in contrast to spousal succession, with a view to examining, through a detailed investigation of the existing legal literature and jurisprudence, if partners should or should not be deemed necessary heirs, a determination on which their right to legitime largely depends.
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CADE: o oligopólio no estado brasileiro de intervenção necessáriaCavalcanti, Rodrigo de Camargo 18 December 2014 (has links)
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Previous issue date: 2014-12-18 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / The main goal of the present work is to demonstrate that, in an economical structure imminently founded in oligopolies, as the Brazilian one is, it is difficult to ensure the dictates of social justice and to provide a dignified existence to all in face of the legal conduct of the economy, constitutionally implementing a State of Necessary Intervention. With the definition of Economic Rights and its inherent relation to human rights as a starting point, we will draw attention to the Competition Law and look closely to the article 170 of the Federal Constitution, as founding rule of the economic order and resulting antitrust defense model. Furthermore, we emphasise the capitalism as an economic system adopted by the Magna Carta, that establishes an economic order in which profit pursuit is legitimate. Thereafter, we will approach the institutional need of existence of the Administrative Council of Economic Defense (in Portuguese, CADE), contextualizing its inception in the Constitutions of the Brazilian Republic, in the scope of the antitrust defense, indicating some aspects of the Law 8.884/94, as well as the relevant differences to this work as put forth by the Law 12.529/11. To better clarify the question, we show our perspective of two cases of great relevance analysed by CADE, the Ambev and the Nestlé/Garoto cases. Subsequently, we will focus on the theory of concentration acts, identifying its definition according to the recente law of the Brazilian System of Competition Defense (in Protuguese, SBDC) and some of the guidelines given by CADE itself to analyse the acts. We will, then, indicate the negative effects of the concentration acts and and present a proposition to solve them: the harmonisation of the principle of prohibition of social regression with the theory by Ronald Coase of negative externalities, in light of Property Rights in the jurisprudence and German school of thought, which will allow us to bring forth the necessary adoption of new resolving criteria, eminently constitutional. Taking the oligopoly theory as basis, we enfasize the tacit collusion as exemplary unlawfulness of the problems stemmed from the support and consolidation of oligopolistic markets to, at last, discuss the Brazilian stance regarding the antitrust defense towards the international and globalized market. By way of conclusion, we propose some guidelines for SBDC and specifically for CADE, in order to stop oligopolies and follow the dictates of the Brazilian State of Necessary Intervention, as constitutionally provided, that is, an economic order for the dignified existence of all / O objetivo do presente trabalho é demonstrar que, em uma estrutura econômica eminentemente fundada em oligopólios, como a brasileira, é difícil garantir os ditames da justiça social e proporcionar uma existência digna para todos mediante a regência jurídica da economia, implantando constitucionalmente um Estado de Intervenção Necessária. Partindo da definição de Direito Econômico e de sua relação intrínseca com os Direitos Humanos, chamamos a atenção para o Direito Concorrencial e atentamos para o artigo 170 da Constituição Federal, como regra matriz da ordem econômica e modelo de defesa da concorrência decorrente. Nessa seara, salientamos o capitalismo como sistema econômico adotado pela Carta Magna, que estabelece uma ordem econômica na qual a busca pelo lucro é legítima. Em seguida, abordamos a necessidade institucional de existência do Conselho Administrativo de Defesa Econômica (CADE), contextualizando seu surgimento nas Constituições da República brasileira, no âmbito da defesa da concorrência, e elencando alguns aspectos da Lei 8.884/94, bem como as diferenças relevantes para o trabalho trazidas pela Lei 12.529/11. Para melhor elucidar a questão, mostramos nossa perspectiva sobre dois casos de grande relevância analisados pelo CADE, o da Ambev e o da Nestlé/Garoto. A seguir, enfocamos a teoria dos atos de concentração, identificando sua definição consoante a recente lei do Sistema Brasileiro de Defesa da Concorrência (SBDC) e algumas das diretrizes fornecidas pelo próprio CADE para a análise dos atos. Expomos, então, os efeitos negativos dos atos de concentração e apresentamos uma proposta para solucioná-los: a compatibilização do princípio do não retrocesso social com a teoria de Ronald Coase sobre externalidades negativas, sob a leitura do Direito de Propriedade na jurisprudência e na doutrina alemãs, o que nos permitirá trazer à tona a necessária adoção de novos critérios resolutivos, eminentemente constitucionais. Tendo como base a teoria do oligopólio, enfatizamos a colusão tácita como ilicitude exemplar dos problemas advindos da manutenção e consolidação de mercados oligopolistas para, enfim, tratarmos da postura brasileira de defesa da concorrência em relação ao mercado internacional e globalizado. À guisa de conclusão, propomos algumas diretrizes para o SBDC e especificamente para o CADE, a fim de impedir os oligopólios e seguir os ditames do Estado brasileiro de Intervenção Necessária, conforme constitucionalmente previsto, ou seja, uma ordem econômica em prol da existência digna para todos.
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«Sur la figure des colonnes» de Lagrange revisitéHuot-Chantal, Francis 01 1900 (has links)
No description available.
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O exercício da autonomia privada no direito sucessório : uma reflexão a partir da eficácia do regime da separação de bensRaad, Daniela Russowsky January 2018 (has links)
O presente trabalho examina, em sentido amplo, o grau de autonomia privada conferida aos indivíduos no plano do Direito Sucessório. Para tanto, a reflexão se baseia na análise da eficácia do pacto antenupcial no qual os consortes elegem o regime da separação convencional de bens na ordem sucessória. A relevância do estudo se encontra pela sistemática jurídica atual, que impõe a confusão patrimonial entre os cônjuges pela alocação do viúvo na condição de herdeiro necessário na disposição do Código Civil de 2002. Analisa-se de forma crítica, assim, a possível relativização do dispositivo legal, a fim de fazer prevalecer a vontade das partes na forma expressada em vida. Para tanto, o trabalho é estruturado em introdução, dois capítulos de desenvolvimento e encerra com as considerações finais. Precedido pela introdução, que trabalha as razões da pesquisa, o capítulo 2 examina a concepção de autonomia privada como prerrogativa fundamental dos indivíduos e sua aplicação no Direito de Família como realização do princípio da dignidade da pessoa humana. Neste ponto, verifica-se como instrumento de concretização do poder de auto disposição na esfera familiar o pacto antenupcial, que confere aos cônjuges o condão de definir a organização econômica do matrimônio A seguir, o capítulo 3 aborda o regime da separação convencional como regramento que confere plena autonomia patrimonial aos consortes, constatado então o espírito de incomunicabilidade patrimonial do regime, impõe a averiguação de sua aplicabilidade na seara sucessória. Para isto, examina-se a situação do cônjuge no Direito das Sucessões, desde a vigência do Código Civil de 1916, quando ocupava terceiro grau na linha sucessória, até sua alocação atual como herdeiro necessário. A seguir, passa a se ponderar o panorama da concorrência sucessória do consorte sobrevivente na herança do falecido, levando em conta a nova ordem de vocação hereditária e os julgados dos tribunais regionais e superiores. Para finalizar, apresenta-se como possível solução à problemática a força negocial como fonte de Direito. Buscando responder o questionamento suscitado, explora-se a possibilidade de considerar a força normativa advinda do contrato matrimonial, capaz de afastar a condição de herdeiro necessário do consorte remanescente. / The present research aims at analyzing the scope of private autonomy of individuals regarding Inheritance Law. The study is based on the efficiency of pre-nuptial agreements by which couples are able to elect the inheritance order through the regime of separation of assets. The relevance of the study resides in the current legal order which ordinarily imposes assets to be held by both parties and, thus, according to the Brazilian Civil Code, the widower is considered to be entitled to them. The possibility of mitigating such legal rule is critically analyzed in order to make way for the parties will as it has been explicitly manifested in life. Therefore, the work is structured into introduction, two chapters of development and ends with the final considerations. Preceded by the introduction, which explains the reasons that led to research on the topic, chapter 2 examines the concept of private autonomy as a fundamental prerogative of individuals in Family Law and also as a mean to achieve the principle of Human Dignity. Consequently, it is verified that the pre-nuptial agreement can be considered as an instrument of the will of the parties and their autodetermination regarding the economic aspects of marital life Following, chapter 3 analyzes the regime of conventional separation of assets reveals the legal system that grants full autonomy for spouses, for which it is examined since it historically arose. Once it is identified the spirit of incommunicability of assets, it has to be verified how to apply it in Inheritance Law. Bearing that in mind, the situation of the spouse is investigated according to the Brazilian legal system, since the promulgation of the Civil Code in 1916 - when they were in third line in succession – until the current days as a necessary heir. Furthermore, the research examines the Brazilian court`s decisions regarding the subject matter. Finally, the will of the parties as a source of Law is presented as a possible solution to the problem at stake. In light of that, the parties could be considered bound to the pre-nuptial agreement, avoiding the condition of necessary heir to the remaining spouse.
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