914 resultados para Mathieu Series


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Mathematics Subject Classification: Primary 33E20, 44A10; Secondary 33C10, 33C20, 44A20

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Mathematics Subject Classification: 33C05, 33C10, 33C20, 33C60, 33E12, 33E20, 40A30

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The "Pointe Saint Mathieu" is one of the most westerly continental landmarks of France. The promontory is located at the entrance of the "Goulet de la Rade de Brest", that is the entrance channel of the harbour of Brest in Brittany (France). It marks also the Southern end of the "Chenal du Four" that is the main navigation channel between the islands of Ouessant, Molène and Béniquet, and Brittany. The "Chenal du Four" is reputed for its dangers. The tidal range is greater than 7 m in spring tides, and the mid-tide current may exceed 5 knots. The Saint Mathieu promontory is equipped with a lighthouse and a semaphore. The former is located in the ruins of an old monastery, founded during the 6th century AD by Saint Tanguy. The present ruins are the remnants of buildings from the 11th to 15th centuries. The first lighthouse was installed in 1689, although the monks of the monastery used to maintain a signal light since the 1250s. Completed in 1835, the present "Phare de la Pointe Saint-Mathieu" is 37 m high and it reaches 58.8 m above sea level During World War 2, the Pointe Saint Mathieu was defended by a series of concrete fortifications built by the Germans. Some were based upon some earlier French bunker systems, like the coastal battery at the Rospects which included 4 main gun bunkers (4*150 mm, or 2*150 mm & 2*105 mm), an observation bunker on the Western side close to sea, and several smaller structures. There was also the large Kéringar Blockhaus system, near Lochrist, located about 1 km inland and designed for 4 guns of 280 mm. Its command bunker remains a landmark along the main road. All this area was very-heavily bombed between 1943 and 1944, and particularly during the battle of Brest in August-September 1944 ("L'Enfer de Brest").

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A long-term time series of subsurface zooplankton is performed in the oligotrophic Bay of Calvi (Corsica, Ligurian Sea, NW Mediterranean) from 2003 onwards. It is carried out from the marine station STARESO and is based on weekly measurement of zooplankton biovolumes. The main objectives are (i) to determine the seasonal cycle and inter-annual variability of the organisms, (ii) to study the dynamics of the populations, and (iii) to understand zooplankton interactions with other co-sampled hydrographic, meteorological and phytoplankton variables at the site.

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On June 15, 2014, Jean-Claude Juncker, the lead candidate of the European People’s Party, was elected President of the European Commission, with the support of the Alliance of Liberals and Democrats for Europe, and some of the European Socialists and Greens. Amid unprecedented Euroscepticism, the media and many pundits predicted a record-low voter turnout and record-high results for Europhobic parties. The aforementioned parties then decided that the political outcome of these 2014 European elections would also be unprecedented. For the first time in EU history, the European political parties agreed to nominate candidates to chair the institution, which they justified by putting forward Article 17 of the Lisbon Treaty. The European Parliament has often characteristically used political discourse - the logos, to influence the EU’s institutional framework, even though it entails grappling with Member States. It took the form of reports and resolutions, like the official use of the phrase “European Parliament” in 1962, direct universal suffrage elections in 1975 and a European Union in 1984. Nominating contenders to chair the European Commission is no exception. It requires a specific political discourse whose origins can be traced back to the early years of the European Parliament, when it was still the “Common Assembly”. This political discourse is one of the elements thanks to which the European Parliament acquired visibility and new prerogatives, in pursuit of its legitimacy. However, the executive branch in all member states is not intent on yielding such prerogatives to the European Parliament. As a matter of fact, the European Parliament has often ended up strengthening the heads of state and governments, since MEPs are forced to resort to self-discipline. The symbolic significance of its logos and, consequently, its own politicisation as a source of legitimacy, is thus undermined. For instance, in 2014, Jean-Claude Juncker’s election actually strengthened German Chancellor Angela Merkel. First she questioned the fact that the candidate whose party holds the parliamentary majority after the election should be appointed President of the Commission. Then she seemed strongly intent on democratising the Union, when she confronted David Cameron, who openly opposed Juncker, believed to be too federalist and old-fashioned a candidate. By doing so, she eventually reduced the symbolic dimension of the European Parliament’s initiative, and Juncker’s election. She also unquestionably embodied EU leadership. This paper aims at analysing Juncker’s election to the Presidency of the European Commission, as well as other questions it raises. In the first part, I lay out some thoughts about the sociohistorical context of voting in European elections in order to make the readers understand why the European Parliament should be bolder. Secondly, I try to explain how the European Parliament has used the logos as a weapon to grapple with member states for more power, as was the case during the 2014 European elections. Last but not least, I seek to show how Angela Merkel got hold of that weapon and took advantage of it, thus proving that despite MEPs’ best efforts, Juncker’s task will be all the more complicated as he was not the consensual candidate of all the governments.

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Data were collected during various groundfish surveys carried out by IFREMER from October to December between 1997 and 2011, on the eastern continental shelf of the Bay of Biscay and in the Celtic Sea (EVHOE series). The sampling design was stratified according to latitude and depth. A 36/47 GOV trawl was used with a 20 mm mesh codend liner. Haul duration was 30 minutes at a towing speed of 4 knots. Fishing was restricted to daylight hours. Catch weights and catch numbers were recorded for all species and body size measured. The weights and numbers per haul were transformed into abundances per km**2 by considering the swept area of a standard haul (0.069 km**2).

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To describe maternal and neonatal outcomes in pregnant women undergoing hemodialysis in a referral center in Brazilian Southeast side. Retrospective and descriptive study, with chart review of all pregnancies undergoing hemodialysis that were followed-up at an outpatient clinic of high- risk prenatal care in Southeast Brazil. Among the 16 women identified, 2 were excluded due to follow-up loss. In 14 women described, hypertension was the most frequent cause of chronic renal failure (half of cases). The majority (71.4%) had performed hemodialysis treatment for more than one year and all of them underwent 5 to 6 hemodialysis sessions per week. Eleven participants had chronic hypertension, 1 of which was also diabetic, and 6 of them were smokers. Regarding pregnancy complications, 1 of the hypertensive women developed malignant hypertension (with fetal growth restriction and preterm delivery at 29 weeks), 2 had acute pulmonary edema and 2 had abruption placenta. The mode of delivery was cesarean section in 9 women (64.3%). All neonates had Apgar score at five minutes above 7. To improve perinatal and maternal outcomes of women undergoing hemodialysis, it is important to ensure multidisciplinary approach in referral center, strict control of serum urea, hemoglobin and maternal blood pressure, as well as close monitoring of fetal well-being and maternal morbidities. Another important strategy is suitable guidance for contraception in these women.

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Universidade Estadual de Campinas . Faculdade de Educação Física

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Universidade Estadual de Campinas . Faculdade de Educação Física

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Universidade Estadual de Campinas . Faculdade de Educação Física

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Universidade Estadual de Campinas . Faculdade de Educação Física

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The enzyme purine nucleoside phosphorylase from Schistosoma mansoni (SmPNP) is an attractive molecular target for the treatment of major parasitic infectious diseases, with special emphasis on its role in the discovery of new drugs against schistosomiasis, a tropical disease that affects millions of people worldwide. In the present work, we have determined the inhibitory potency and developed descriptor- and fragment-based quantitative structure-activity relationships (QSAR) for a series of 9-deazaguanine analogs as inhibitors of SmPNP. Significant statistical parameters (descriptor-based model: r² = 0.79, q² = 0.62, r²pred = 0.52; and fragment-based model: r² = 0.95, q² = 0.81, r²pred = 0.80) were obtained, indicating the potential of the models for untested compounds. The fragment-based model was then used to predict the inhibitory potency of a test set of compounds, and the predicted values are in good agreement with the experimental results