999 resultados para Black poetry


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The human body occupies a central place in Rukeyser’s poetry. Her characters’ physical experiences inspire their search for an artistic form and a holistic vision that reconciles the corporeal and conceptual aspects of their life. My thesis deals with Rukeyser’s reconciliation of disparate aspects of existence through the image of the human body and the practical experiences she underwent in her personal life and incorporated in her poetry. I discuss her poetry of the 1940s, where a tension is observed between the artist’s personal life and her art, which she attempts to resolve by adopting an artistic form that accommodates her quotidian experiences. I study, mainly through her poetry of the 1950s, Rukeyser’s poetic technique in the light of her organicist poetics and the combination of tendencies to coercion and suggestiveness distinguishing her style. I examine her portrayal of the suffering body in her poetry of the 1960s and 1970s. By means of their physical experiences, the ill, her despised and the imprisoned protagonists undergo a process of development whereby they perceive the different aspects of their identity and attempt to broaden perspectives on their situation by reconciling them. I argue that Rukeyser’s engagement with physical encounters and with the poem as an inclusive, organic body enables her to reconcile disparate elements in her poetry, such as her personal life and her art, her individual existence and the public world, as well as the distinct aspects of her characters’ identity. Her vatic outlook, which integrates distinct aspects of experience, is consistent with Merleau-Ponty’s idea of human perception as characterised by the two interdependent positions of immanence and transcendence. Rukeyser’s poetry depicts her physical engagement with quotidian events of her life as a factor of artistic inspiration. These situations constitute shared human experiences that enable her to imagine the links binding her to other people and the world at large. The poet’s personal experiences inspire her search for an artistic form that accommodates them. Her perception of the concrete aspect of her individual existence gains significance when it is linked to social and political issues. Both the private and public are thus seen as interconnected, and they affect the existence of each other while retaining their distinctness.

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Duo Show: John Russell & Dan Mitchell.

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The essay uncovers evidence for the construction of the ‘woman author’ in the largely male vogue for bawdy burlesque poetry by tracing the circulation of a pair of verses through seventeenth-century manuscript and print miscellanies. It argues that just as these verses are reworked and recontextualised through the process of transmission, so to their ‘authors’ are re-embodied and ascribed different identities in different publication contexts. Female-voiced bawdy poetry raises particular problems for authorial attribution, rather than searching for the real woman behind the text, the essay examines how the ‘authors’ of female-voiced bawdy poetry were produced and reproduced through shifting formal frameworks and socioliterary networks.

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The objective of the study was assessing the effect of the nitrogen and the aspersion irrigation on the growth and dry matter yield of black oats (Avena strigosa Schreb). The experiment was conducted in the Campus of USP in Pirassununga, Sao Paulo State. In the study were evaluated four nitrogen levels (0, 50, 100 and 150 kg of N ha(-1)) and also the presence or absence of the irrigation. The plant variables evaluated were: mean height, dry matter percentage, yield and growth rate. The results had disclosed to greater height of plant in the irrigated condition, reflecting in the higher production of dry matter. In dry land area, percentage of DM was 24.7% and in irrigated area 18.7%. The nitrogen was significantly only for plant mean height that showed linear fit when carried through the irrigation. The effect of the irrigation was better for the production of black oats than nitrogen.

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In this work we extend previous work on the evolution of a primordial black hole (PBH) to address the presence of a dark energy component with a super-negative equation of state as a background, investigating the competition between the radiation accretion, the Hawking evaporation and the phantom accretion, the latter two causing a decrease on black hole mass. It is found that there is an instant during the matter-dominated era after which the radiation accretion becomes negligible compared to the phantom accretion. The Hawking evaporation may become important again depending on a mass threshold. The evaporation of PBHs is quite modified at late times by these effects, but only if the generalized second law of thermodynamics is violated.

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The evolution of the mass of a black hole embedded in a universe filled with dark energy and cold dark matter is calculated in a closed form within a test fluid model in a Schwarzschild metric, taking into account the cosmological evolution of both fluids. The result describes exactly how accretion asymptotically switches from the matter-dominated to the Lambda-dominated regime. For early epochs, the black hole mass increases due to dark matter accretion, and on later epochs the increase in mass stops as dark energy accretion takes over. Thus, the unphysical behaviour of previous analyses is improved in this simple exact model. (C) 2010 Elsevier B.V. All rights reserved.

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We study the evolution of a primordial black hole (PBH) taking into account the presence of dark energy modeled by a general perfect fluid. In the specific case of a stationary non-self-gravitating test fluid, the competition between radiation accretion, Hawking evaporation and the accretion of such a fluid has been studied in detail. The evaporation of PBHs is quite modified at late times by these effects. We address further generalizations of this scenario to consider other types of fluids, and point out early developments of a nonstationary accretion model.

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Even among forest specialists, species-specific responses to anthropogenic forest fragmentation may vary considerably. Some appear to be confined to forest interiors, and perceive a fragmented landscape as a mosaic of suitable fragments and hostile matrix. Others, however, are able to make use of matrix habitats and perceive the landscape in shades of grey rather than black-and-white. We analysed data of 42 Chiroxiphia caudata (Blue Manakin), 10 Pyriglena leucoptera (White-shouldered Fire-eye) and 19 Sclerurus scansor (Rufous-breasted Leaftosser) radio-tracked in the Atlantic Rainforest of Brazil between 2003 and 2005. We illustrate how habitat preferences may determine how species respond to or perceive the landscape structure. We compared available with used habitat to develop a species-specific preference index for each of six habitat classes. All three species preferred old forest, but relative use of other classes differed significantly. S. scansor perceived great contrast between old forest and matrix, whereas the other two species perceived greater habitat continuity. For conservation planning, our study offers three important messages: (1) some forest specialist species are able to persist in highly fragmented landscapes; (2) some forest species may be able to make use of different anthropogenic habitat types to various degrees; whereas (3) others are restricted to the remaining forest fragments. Our study suggests species most confined to forest interiors to be considered as potential umbrella species for landscape-scale conservation planning.

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Increasing efforts exist in integrating different levels of detail in models of the cardiovascular system. For instance, one-dimensional representations are employed to model the systemic circulation. In this context, effective and black-box-type decomposition strategies for one-dimensional networks are needed, so as to: (i) employ domain decomposition strategies for large systemic models (1D-1D coupling) and (ii) provide the conceptual basis for dimensionally-heterogeneous representations (1D-3D coupling, among various possibilities). The strategy proposed in this article works for both of these two scenarios, though the several applications shown to illustrate its performance focus on the 1D-1D coupling case. A one-dimensional network is decomposed in such a way that each coupling point connects two (and not more) of the sub-networks. At each of the M connection points two unknowns are defined: the flow rate and pressure. These 2M unknowns are determined by 2M equations, since each sub-network provides one (non-linear) equation per coupling point. It is shown how to build the 2M x 2M non-linear system with arbitrary and independent choice of boundary conditions for each of the sub-networks. The idea is then to solve this non-linear system until convergence, which guarantees strong coupling of the complete network. In other words, if the non-linear solver converges at each time step, the solution coincides with what would be obtained by monolithically modeling the whole network. The decomposition thus imposes no stability restriction on the choice of the time step size. Effective iterative strategies for the non-linear system that preserve the black-box character of the decomposition are then explored. Several variants of matrix-free Broyden`s and Newton-GMRES algorithms are assessed as numerical solvers by comparing their performance on sub-critical wave propagation problems which range from academic test cases to realistic cardiovascular applications. A specific variant of Broyden`s algorithm is identified and recommended on the basis of its computer cost and reliability. (C) 2010 Elsevier B.V. All rights reserved.