Results 81 to 90 of about 60,332 (300)

Optimizing a basket against the efficient market hypothesis [PDF]

open access: yes, 2012
[No abstract ...
Politi, Mauro   +5 more
core   +1 more source

Enjeux et opportunités du développement de la Finance Islamique en Tunisie

open access: yesAcademic Finance, 2012
En raison de son fondement moral respectant les préceptes de l’Islam en matière d’investissent et de placement des fonds, de sa dimension éthique, religieuse et sociale et de son ancrage à l’économie réelle, la Finance Islamique s’est progressivement ...
Nadia ELOUAER BEN NJIMA   +1 more
doaj  

Deep Learning Models for Bitcoin Prediction Using Hybrid Approaches with Gradient-Specific Optimization

open access: yesForecasting
Since cryptocurrencies are among the most extensively traded financial instruments globally, predicting their price has become a crucial topic for investors.
Amina Ladhari, Heni Boubaker
doaj   +1 more source

Clinical Practice Guideline for Evaluation and Management of Peripheral Nervous System Manifestations in Sjögren's Disease

open access: yesArthritis Care &Research, EarlyView.
Objective Sjögren's disease is an autoimmune disorder that can impact multiple organ systems, including the peripheral nervous system (PNS). PNS manifestations, which can exist concurrently, include mononeuropathies, polyneuropathies, and autonomic nervous system neuropathies.
Anahita Deboo   +88 more
wiley   +1 more source

On VIX Futures in the rough Bergomi model [PDF]

open access: yes, 2017
The rough Bergomi model introduced by Bayer et al. [Quant. Finance, 2015, 1–18] has been outperforming conventional Markovian stochastic volatility models by reproducing implied volatility smiles in a very realistic manner, in particular for short ...
Jacquier, A   +2 more
core   +1 more source

A refined methodological approach: Long-term stock market forecasting with XGBoost

open access: yesJournal of Intelligent Systems
One critical research gap that this study fills is artificial intelligence (AI) and machine learning applications that predict equity market index total returns using long-term prediction horizons, and by experimenting with Extreme Gradient Boosting ...
Sürek Rojen Erik, Lau Wee-Yeap
doaj   +1 more source

Wavelet Estimation for Density and Copula Functions

open access: yesMathematics
This article investigates the problem of univariate and bivariate density estimation using wavelet decomposition techniques. Special attention is given to the estimation of copula functions, which capture the dependence structure between random variables
Heni Boubaker, Houcem Belgacem
doaj   +1 more source

Cumulative Social Disadvantage and Disease Activity in Juvenile Idiopathic Arthritis: A Childhood Arthritis and Rheumatology Research Alliance Registry Study

open access: yesArthritis Care &Research, EarlyView.
Objective Social determinants of health (SDOH) contribute to juvenile idiopathic arthritis (JIA) disparities, but most studies have assessed SDOH independently rather than cumulatively across individual, family, and neighborhood levels. Using a socioecological framework, we investigated the relationship among cumulative social disadvantage ...
William Daniel Soulsby   +448 more
wiley   +1 more source

Real-world jump-diffusion term structure models

open access: yes, 2010
This paper considers interest rate term structure models in a market attracting both continuous and discrete types of uncertainty. The event-driven noise is modelled by a Poisson random measure.
Nikitopoulos-Sklibosios, C   +5 more
core   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera   +8 more
wiley   +1 more source

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