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Sambor Guze, Wojciech Wawrzynski and Przemyslaw Wilczynski
One of the significant problems in the safe operation of vessels is the behavior of the ship on the wave. Of all degrees of freedom, the greatest threat to the safety of a ship is associated with excessive rolling. One of the best methods to improve the ...
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Diana De Padova, Michele Mossa and Stefano Sibilla
This paper shows the results of the numerical modelling of the transition from supercritical to subcritical flow at an abrupt drop, which can be characterised by the occurrence of oscillatory flow conditions between two different jump types. Weakly-Compr...
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Diana De Padova, Michele Mossa, Stefano Sibilla
Pág. 1 - 25
This paper shows the results of the numerical modelling of the transition from supercritical to subcritical flow at an abrupt drop, which can be characterised by the occurrence of oscillatory flow conditions between two different jump types. Weakly-Compr...
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José Antonio Núñez,Elizabeth Ortega Benítez
As an extension of the article by Núñez, De la Cruz and Ortega (2007), differentparametric models with jumps are tested with the methodology developed by Ait-Sahalia and Peng (2006), based on the transition function. Data analyzed are the peso-dolla...
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M. FIEBIG WITTMAACK
We study the accuracy of the finite differences discretization scheme for a 2-D simplified model of global tracer transport, in the case that the diffusion coefficients relating flux to the gradient of the mixing ratio have di...
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Valentina Magni, John Naliboff, Manel Prada and Carmen Gaina
Back-arc basins in continental settings can develop into oceanic basins, when extension lasts long enough to break up the continental lithosphere and allow mantle melting that generates new oceanic crust. Often, the basement of these basins is not only c...
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Zhiqiang Zhu, Weijie Fu, En Shao, Lu Li, Linjie Song, Wei Wang and Yu Liu
Purpose: This study aims to investigate the acute effects of shoe midsole stiffness on the joint biomechanics of the lower extremities during specific basketball movements. Methods: Thirty participants wearing stiff midsole shoes (SS) and control shoes (...
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Francesco Audrino and Yujia Hu
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JUAN L. MINETTI,WALTER M. VARGAS
Different types of South American annual precipitation series are analyzed for stations located south of the parallel 15ºS. It has been found that the most typical pattern of change in the long-term averages for 30-years consecutive series, correspond...
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Youngkyu Kim, Gyewoon Choi, Hyoseon Park and Seongjoon Byeon
Movable weirs have been developed to address the weaknesses of conventional fixed weirs. However, the structures for riverbed protection downstream of movable weirs are designed using the criteria of fixed weirs in most cases, and these applications caus...
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Ramzi Nekhili and Jahangir Sultan
This paper aims at identifying a validated risk model for the cryptocurrency market. We propose a stochastic volatility model with co-jumps in return and volatility (SVCJ) to highlight the role of jumps in returns and volatility in affecting Value-at-Ris...
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Isela Téllez León,Francisco Venegas Martínez,Abigail Rodríguez Nava
The aim of this paper is to examine how inflation volatility affects economic growth in a small open economy. To reach this goal, a stochastic macroeconomic model with a financial sector and incomplete financial markets (due to the inclusion of jumps) is...
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Sebastián Feu, Juan M. García-Ceberino, Pablo López-Sierra and Sergio J. Ibáñez
Basketball players should train at intensities similar to those recorded in competition, but are the intensities really similar? This study aimed to quantify and compare the internal and external intensities assimilated by professional basketball players...
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Davi V. Q. Rodrigues, Delong Zuo and Changzhi Li
Researchers have made substantial efforts to improve the measurement of structural reciprocal motion using radars in the last years. However, the signal-to-noise ratio of the radar?s received signal still plays an important role for long-term monitoring ...
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Annalisa De Leo, Alessia Ruffini, Matteo Postacchini, Marco Colombini and Alessandro Stocchino
The occurrence and the effects of hydraulic jump instabilities on a natural river confluence in a small river basin in Liguria (Italy) is here investigated. Hydraulic jump instability has been extensively studied in controlled and simplified laboratory r...
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Grigory Dolgikh and Stanislav Dolgikh
Basing on the analysis of data on variations of deformations in the Earth?s crust, which were obtained with a laser strainmeter, we found that deformation anomalies (deformation jumps) occurred at the time of tsunami generation. Deformation jumps recorde...
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Rebecca Alonzo, Crosby Teo, Jing Wen Pan, Phillis Soek Po Teng, Thorsten Sterzing and Pui Wah Kong
This study investigated how midsole hardness of basketball footwear affects lower extremity biomechanics and impacts perception in drop vertical jumps. Eighteen male basketball players performed drop vertical jumps from three heights (31 cm, 46 cm, 61 cm...
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Colin Ellis
Corporate bond defaults in different sectors often increase suddenly at roughly similar times, although some sectors see default rates jump earlier than others. This could reflect contagion among sectors?specifically, defaults in one sector leading to cr...
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Neil A. Wilmot
Financial times series, and commodity prices in particular, are known to exhibit fat tails in the distribution of prices. As with many natural resources price series, the arrival of new information can lead to unexpectedly rapid changes?or jump?in prices...
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Edson Bastos e Santos,Nelson Ithiro Tanaka
Pág. 69 - 111
This article presents an alternative to modeling multidimensional options, where the payoffs depend on the paths of the trajectories of the underlying-asset prices. The proposed technique considers Lévy processes, a very ample class of stochastic process...
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