621 research outputs found
Napoli e il suo Regno nel congedo del poeta: i due esordi e l’epilogo del "De hortis Hesperidum" di Giovanni Pontano
No full textGiovanni Pontano’s De hortis Hesperidum was published posthumously in the summer of 1505 for the types of Aldo Manuzio. It presents a reinterpretation and an updating of the Virgilian georgic model with the help of the erudition and the mythopoietic ability of its author. The beginning of the two books and the epilogue of the whole poem build an unforgettable material and immaterial image of Naples and its Kingdom, an image made of personal feelings and, above all, of allusions to the permanence of an ancient wisdom. This wisdom is embodied by Virgil and reaches the poet’s hands to be delivered even greater to the future generations. Since the De hortis Hesperidum and, in particular, its liminal portion represent the extreme production of Pontano, who committed himself to this work with his labor limae until almost to his death, we can recognize in these passages the poet’s farewell not only from Naples, his adopted homeland, with the enchantment of its welcoming beauty and the pride of its greatness, but also from his own poetry, with the conviction of having created for both of them a well-defined space in the eternity
Numerical Methods for the Optimization of Nonlinear Residual-Based Sungrid-Scale Models Using the Variational Germano Identity
No full textThe Variational Germano Identity [1, 2] is used to optimize the coefficients of residual-based subgrid-scale models that arise from the application of a Variational Multiscale Method [3, 4]. It is demonstrated that numerical iterative methods can be used to solve the Germano relations to obtain values for the parameters of subgrid-scale models that are nonlinear in their coefficients. Specifically, the Newton-Raphson method is employed. A least-squares minimization formulation of the Germano Identity is developed to resolve issues that occur when the residual is positive and negative over different regions of the domain. In this case a Broyden-Fletcher-Goldfarb-Shanno (BFGS) algorithm is used to solve the minimization problem. The developed method is applied to the one-dimensional unsteady forced Burgers’ equation and the two-dimensional steady Stokes’ equations. It is shown that the Newton-Raphson method and BFGS algorithm generally solve, or minimize the residual of, the Germano relations in a relatively small number of iterations. The optimized subgridscale models are shown to outperform standard SGS models with respect to a L2 error. Additionally, the nonlinear SGS models tend to achieve lower L2 errors than the linear models.Aerodynamics, Wind Energy & PropulsionAerospace Engineerin
Os Dois Irmãos, by Germano Almeida: a novel of victims
Get PDFNo romance Os dois Irmãos (1995), o escritor cabo-verdiano Germano Almeida encena, de forma muito original, a velha história de Caim e Abel. No campo das transformações socioculturais, desenham-se, a traço trágico, as figuras familiares, divididas entre o apelo de pertença comunitária e o desejo de viver livremente.In the novel Os dois Irmãos (1995), Cape Verdean author Germano Almeida stages, in a very original way, the ancient story of Cain and Abel. In the field of socio-cultural changes, the familiar figures are drawn, with a tragic trait, torn between the appeal of community belonging and the desire to live freely.publishe
New Editorial Perspectives on Fibonacci’s Liber Abaci
Get PDFThe author summarizes the acquisitions on the current status of the manuscript and printed tradition of Fibonacci’s treatise and demonstrates the need of preparing a critical edition of the work. He points out that in the current state of the preparatory work of this edition it’s not possible to provide a genuine stemma codicum yet, but he proposes only some hypotheses about the reciprocal relationships of the manuscript witnesses. The paper ends with an essay of the critical edition in preparation, that is the dedicatory epistle to Michael Scotus and the prologue of the treatise: the critical text is equipped with an apparatus of variants and is provided with a new and original English translation
Per una moderna edizione critica del Liber Abaci di Leonardo Pisano, detto il Fibonacci
Get PDFThe author summarizes the acquisitions on the current status of the manuscript and printed tradition of Fibonacci’s treatise and demonstrates the need of preparing a critical edition of the work
Two versions of the 'Iuveniles ingenii lusus' by Manilius Cabacius Rhallus in Berlin ms. Hamilton 561 and in their Neapolitan 'editio princeps'
No full textManilius Cabacius Rhallus (Mistra, ca. 1447 - Rome, 1523) composed a collection of latin poems entitled 'Iuveniles ingenii lusus' of which we have two principal witnesses: the ms. Berlin Hamilton 561 (Staatsbibliothek, Preußischer Kulturbesitz) and the 'editio princeps' published in Naples for the types of Johannes Pasquet de Sallo. The code ms. Berlin Hamilton 561, dated between 1505 and 1507, is dedicated to Cardinal Galeotto De Franciottis Della Rovere; the 'editio princeps' appeared in Naples in 1520 and is dedicated to the Cardinal Giulio de’ Medici, later Pope Clemente VII. In these witnesses the text of the poems appears substantially identical, except few particulars of little importance, but their structural organization is profoundly reworked: the case seems to be particularly interesting to show how an author at the beginning of the sixteenth century could repurpose an old text not only according the needs of a new dedication, but also according the requirements and the literary taste of a new audience. The operation of reworking, in fact, in this case does not concern the microstructures of the text, but its macrostructures, in such a manner that the author was able to propose again after a certain time a same work in a profoundly changed cultural context, trying to meet the new spirit of the time without spending too much energy
Giovanni Pontano e la costituzione di una nuova Grecia nella rappresentazione letteraria del Regno Aragonese di Napoli
No full textThe scholars at the Aragonese court of Naples facilitated the creation of a new geographical image that celebrated the Neapolitan kingdoms’ splendour and justified the Aragonese power according to the contemporary humanistic cultural parameters. In particular,
Iohannes Pontanus with his poetry became the author of a new myth of Naples: he celebrated the greatness and beauty of its landscape, following in classical authors’ footsteps. They had attributed an elevated stature to Greek places and enlightened Greek mythical,
cultural, and intellectual traditions. Pontanus performs the same cultural operation with Naples and its traditions. So, the new myth of Naples was born as a new Greece, from the shores of which the image of Aragonese greatness and magnificence was spread throughout
Europe in light of the wisdom tradition of the ancient Gulf of the Sirens
Iohannes Pontanus and the Aragonese Kingdom of Naples as a new Greece
No full textThe scholars at the Aragonese court of Naples facilitated the creation of a new geographical image that celebrated the Neapolitan kingdoms’ splendour and justified the Aragonese power according to the contemporary humanistic cultural parameters. In particular, Iohannes Pontanus became the author of a new myth of Naples: he celebrated the greatness and beauty of its landscape, following in classical authors’ footsteps. They had attributed an elevated stature to Greek places and enlightened Greek mythical, cultural, and intellectual traditions. Pontanus performs the same cultural operation with Naples and its traditions. So, the new myth of Naples was born as a new Greece, from the shores of which the image of Aragonese greatness and magnificence was spread throughout Europe in light of the wisdom tradition of the ancient Gulf of the Siren
Financing health services in Africa : an assessment of alternative approaches
Get PDFThis paper outlines a strategy for financing health services in sub-Saharan Africa. The individual components of the strategy are as follows: general tax revenues, international finance, a system of user charges, community finance, health insurance, and contributions from nongovernmental organizations, including the private sector. The author states that financial positions of public health care systems in sub-Saharan Africa would be greatly enhanced if governments in the region were to adopt policies that would use each of the above sources of finance. Since a strong financial base is a prerequisite for an effective health care system, such policies would considerably improve the health status of the population. It is important that for each country different policies be pursued at various levels of society, and in different sectors of the economy.Health Systems Development&Reform,Health Monitoring&Evaluation,Housing&Human Habitats,Health Economics&Finance,Pharmaceuticals&Pharmacoeconomics
Potencial poluidor de resíduo sólido da Samarco Mineração: estudo de caso da barragem de Germano Polluting potential of Samarco Mineração S.A. solid waste: a Germano dam case study
Get PDFForam estudadas amostras de resíduo sólido da Barragem de Germano, da Samarco Mineração S.A. Tal barragem localiza-se no município de Mariana-MG. Sua principal função é coletar os efluentes do tratamento do minério de ferro processado no Complexo de Germano. Este resíduo foi submetido a testes de classificação, de acordo com as Normas ABNT 10004, 10005, 10006 e 10007. Constatou-se que o resíduo é classe III (inerte) e que os testes mostraram a grande capacidade deste material na retenção de metais pesados e de cromo.Samples of solid waste from the Germano Dam of Samarco Mineração S.A were studied. This dam is located in the county of Mariana and it is mainly used to retain the waste resulting from the iron ore treatment at the Germano Plant. The waste was classified according to the ABNT Norms 10004, 10005, 10006 and 10007. as class III (inert) which was shown to be capable to retain heavy metals as well as chromium
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