Long Range Dependence
Mostrando 1-12 de 83 artigos, teses e dissertações.
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1. Searching for long-range dependence in real effective exchange rate: towards parity?
Resumo Após a adoção generalizada do regime de câmbio flexível nos diversos países desde 1973, a volatilidade da taxa cambial aumentou, em contexto de maior abertura comercial e integração financeira. Tornou-se mais difícil encontrar evidências favoráveis à hipótese da paridade do poder de compra. Este estudo analisa a possibilidade de queda na
Estud. Econ.. Publicado em: 2015-12
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2. PDE5 Inhibitor Treatment Persistence and Adherence in Brazilian Men: Post-hoc Analyses from a 6-Month, Prospective, Observational Study
Purpose Characterize persistence and adherence to phosphodiesterase type - 5 inhibitor (PDE5I) on-demand therapy over 6 months among Brazilian men in an observational, non-interventional study of Latin American men naïve to PDE5Is with erectile dysfunction (ED). Materials and Methods Men were prescribed PDE5Is per routine clinical practice. Persistence
Int. braz j urol.. Publicado em: 2014-06
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3. Sobre a evolução hidrodinâmica da matéria nuclear criada em colisões de íons pesados relativísticos - um estudo com condições iniciais flutuantes / On the hydrodynamic evolution of the nuclear matter created in relativistic heavy ion collisions - a study with fluctuating initial conditions
In this work we apply a hydrodynamic model with fluctuating initial conditions in a event by event basis to study some observables in relativistic heavy ion collisions. We show that the introduction of fluctuations, characterized by longitudinal high energy density tubes, turn the computation of the observables closer to data, in comparison to the traditiona
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 12/09/2011
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4. "Estudo do efeito da anarmonicidade e desordem induzida em filmes de GaAs1-xNx, por espectroscopia Raman"
Raman spectroscopy was used to investigate the vibrational properties in thermally treated and as grown thin films of GaAs1-xNx alloys, with 0,0144 ≤ ≤ 0,0370. Raman spectra exhibit the presence of two GaAs1-xNx characteristic modes. The redshift of the GaAs-like longitudinal-optic phonon (LO1) frequency and the blue shift of GaNlike longitudinal
Publicado em: 2010
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5. Contribuição para a análise de teletráfego com dependência de longa duração. / Contribution to the analysis of network traffic with long-range dependence.
The use of network trac models that hold self-similar and long-range dependence characteristics have shown to be a key element on the correct characterization of Local Area Network (LAN) and Wide Area Network (WAN) network trac [1, 2]. Such characterization is necessary to monitor and control the network trac in converged networks [3]. In this context, the a
Publicado em: 2009
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6. Thermodynamic modeling of aqueous two phase systems containing salts and polymers. / Modelagem termodinâmica de sistemas aquosos bifásicos contendo sais e polímeros.
The thermodynamic modeling of phase equilibrium in aqueous two phase systems containing the neutral polymer poly(ethylene glycol) and a salt was studied in this work. The implemented model is based on the Pitzer equation for electrolytes solutions, modified in order to account for the influence of polymer properties in both the medium dielectric constant and
Publicado em: 2008
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7. EconofÃsica: dinÃmica de agentes heterogÃneos no estudo da volatilidade
We perform a computer simulation study for the volatility within the context of multi-agent dynamics in financial markets. We consider the USDF model of price formation on square lattices and introduce the parameter pF for the fraction of fundamentalist agents present in the system. Then we analysis the influence of these agents on the volatility. The result
Publicado em: 2008
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8. Estudo de filmes finos de GaAS (1-x) Nx/GaAS por espectroscopia Raman e de Fotoluminescência
The dependence of nitrogen (N) concentration on optical properties in thermally treated and as grown thin films of GaAs1−xNx, with 0, 0144 x 0, 0370, is investigated through Raman spectroscopy and Photoluminescence. Raman spectra exhibits the presence of two GaAs1−xNx characteristic modes. A systematic decrease of the longitudinal optical GaAs-ty
Publicado em: 2008
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9. Efeitos de superfície nas propriedades térmicas e dinâmicas de filmes de cristais líquidos esméticos. / Surface effects on the thermal and dynamical proprieties of smectic liquid crystal filmes.
The thermal and dynamical properties of free-standing films are strongly dependent on the boundary conditions and the presence of an external field. Using distinct theoretical models and the dynamic light scattering experimental setup, we study the surface and external field effects on the relaxation dynamics, fluctuation-induced interaction energy, and phas
Publicado em: 2007
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10. Manutenção da capacidade inovadora na externalização do desenvolvimento de produtos: o caso da indústria automobilística. / Innovative capacity maintenance by automakers in a product development outsourcing scenario - the case of brazilian automotive industry.
Mello, Adriana Marotti de - Innovative Capacity Maintenance by Automakers in a Product Development Outsourcing Scenario The case of Brazilian Automotive Industry. 2006. Dissertation (Master) Escola Politécnica da Universidade de São Paulo, 2006. In order to diversify product portfolio and reduce development costs and timing, firm tend to outsource Ne
Publicado em: 2006
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11. Previsibilidade da taxa de cÃmbio e as intervenÃÃes da autoridade monetÃria: o caso australiano
Este trabalho examina a relaÃÃo entre a intervenÃÃo cambial pela autoridade monetÃria da AustrÃlia â RBA e a previsibilidade da taxa de cÃmbio. Para esse propÃsito à feita a mediÃÃo de long range dependence ou memÃria de longo prazo na taxa de cÃmbio, no perÃodo de dezembro de 1983 a dezembro de 2003, por trÃs diferentes mÃtodos: as anÃlise
Publicado em: 2005
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12. Modeling and computing of equivalent bandwidth of multifractal flows / Modelagem e computação de banda passante equivalente de fluxos multifractais
Scaling in network traffic can be identified as the absence of a typical time scale at which traffic burstiness can be characterized. Internet Protocol (IP) traffic presents both scaling and long-range dependence. Moreover, at small time scales, IP traffic shows non-uniform scaling and high variability. Moreover, the marginal distribution of counting process
Publicado em: 2004