954 resultados para structurally consistent


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In this reviewing paper, we recall the main results of our papers [24, 31] where we introduced two paraconsistent semantics for Pavelka style fuzzy logic. Each logic formula a is associated with a 2 x 2 matrix called evidence matrix. The two semantics are consistent if they are seen from 'outside'; the structure of the set of the evidence matrices M is an MV-algebra and there is nothing paraconsistent there. However, seen from "inside,' that is, in the construction of a single evidence matrix paraconsistency comes in, truth and falsehood are not each others complements and there is also contradiction and lack of information (unknown) involved. Moreover, we discuss the possible applications of the two logics in real-world phenomena.

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This CEPS Policy Brief examines the provisions for bail-in in the European Union – that is, the principle whereby any public measure to recapitalise a bank with insufficient prudential capital must be preceded by a write-down or conversion into equity of creditors’ claims – in state aid policies and in the new resolution framework for failing banks, with two aims: i) to assess whether and how they are coordinated and ii) more importantly, whether they address satisfactorily the question of systemic stability that may arise when investors fear that creditors’ claims are likely to be bailed-in in a bank crisis. The issue is especially relevant in the present context, as the comprehensive assessment exercise underway for EU banks falling under the direct supervision of the European Central Bank may lead supervisors to require substantial capital injections simultaneously for many of the banks involved, possibly shaking investors’ confidence across EU banking markets. The authors conclude that the two sets of rules are, broadly speaking, mutually consistent and that they already contain sufficient safeguards to address systemic stability concerns. However, the balance of the elements underpinning the European Commission’s decisions in individual cases may not be clear to bank creditors and potential investors in financial markets. The impression of unneeded rigidity on this very sensitive issue has been heightened by official statements over-emphasising that each case will be assessed individually under competition rules, thus feeding the concern that the systemic dimension of the issue may have been underestimated. Therefore, further clarification by the Commission may be needed on how the various criteria will be applied during the ongoing transition to banking union – perhaps through a new communication completing the state aid framework for banks in view of the adoption of the new resolution rules.

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"Supported by Contract AT (11-1)-1018 with the U.S. Atomic Engery Commission."

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"Supported in part by NSF grant MCS-80-03308."

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"First published at Windsor, (Vt.) December, 1821. Republished at Haverhill, (Mass.) 1824."

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Mode of access: Internet.

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Thesis (Ph.D.)--University of Washington, 2016-06

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Chronic alcohol exposure induces lasting behavioral changes, tolerance, and dependence. This results, at least partially, from neural adaptations at a cellular level. Previous genome-wide gene expression studies using pooled human brain samples showed that alcohol abuse causes widespread changes in the pattern of gene expression in the frontal and motor cortices of human brain. Because these studies used pooled samples, they could not determine variability between different individuals. In the present study, we profiled gene expression levels of 14 postmortem human brains (seven controls and seven alcoholic cases) using cDNA microarrays (46 448 clones per array). Both frontal cortex and motor cortex brain regions were studied. The list of genes differentially expressed confirms and extends previous studies of alcohol responsive genes. Genes identified as differentially expressed in two brain regions fell generally into similar functional groups, including metabolism, immune response, cell survival, cell communication, signal transduction and energy production. Importantly, hierarchical clustering of differentially expressed genes accurately distinguished between control and alcoholic cases, particularly in the frontal cortex.

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A self-consistent theory is derived to describe the BCS-Bose-Einstein-condensate crossover for a strongly interacting Fermi gas with a Feshbach resonance. In the theory the fluctuation of the dressed molecules, consisting of both preformed Cooper pairs and bare Feshbach molecules, has been included within a self-consistent T-matrix approximation, beyond the Nozieres and Schmitt-Rink strategy considered by Ohashi and Griffin. The resulting self-consistent equations are solved numerically to investigate the normal-state properties of the crossover at various resonance widths. It is found that the superfluid transition temperature T-c increases monotonically at all widths as the effective interaction between atoms becomes more attractive. Furthermore, a residue factor Z(m) of the molecule's Green function and a complex effective mass have been determined to characterize the fraction and lifetime of Feshbach molecules at T-c. Our many-body calculations of Z(m) agree qualitatively well with recent measurments of the gas of Li-6 atoms near the broad resonance at 834 G. The crossover from narrow to broad resonances has also been studied.