Results 21 to 30 of about 69,262 (283)

Duration Distribution and Up-crossings Rate of Generalized Hyperbolic Processes

open access: yesAustrian Journal of Statistics, 2016
A Gaussian process is usually used to model the sea surface elevation in the oceanography. As the depth of the water decreases or the sea severity increases, the sea surface elevation departs from symmetry and Gaussianity. In this paper, a stationary non-
Moh’d T. Alodat, Khalid M. Aludaat
doaj   +1 more source

The HS-SAS and GSH-SAS Distribution as Model for Unconditional and Conditional Return Distributions

open access: yesAustrian Journal of Statistics, 2016
We introduce two new skewed and leptokurtic distributions derived from the hyperbolic secant distribution and from Vaughan (2002)’s generalized hyperbolic distribution by use of the sinh-arcsinh transformation introduced in Jones and Pewsey (2009 ...
Matthias Fischer, Klaus Herrmann
doaj   +1 more source

Modeling Insurance Claim Distribution via Mixture Distribution and Copula [PDF]

open access: yesتحقیقات مالی, 2017
This paper analyses whether joint probability distribution function of losses due to different exposures covered under the same policy could be modeled in an appropriate manner via mixture distribution proposed and copula concept.
Saeed Bajalan   +2 more
doaj   +1 more source

Skew Generalized Secant Hyperbolic Distributions: Unconditional and Conditional Fit to Asset Returns

open access: yesAustrian Journal of Statistics, 2016
A generalization of the hyperbolic secant distribution which allows for both skewness and leptokurtosis was given by Morris (1982). Recently, Vaughan (2002) proposed another flexible generalization of the hyperbolic secant distribution which has a lot of
Matthias Fischer
doaj   +1 more source

Convergence and Numerical Solution of a Model for Tumor Growth

open access: yesMathematics, 2021
In this paper, we show the application of the meshless numerical method called “Generalized Finite Diference Method” (GFDM) for solving a model for tumor growth with nutrient density, extracellular matrix and matrix degrading enzymes, [recently proposed ...
Juan J. Benito   +5 more
doaj   +1 more source

Generalized Hyperbolic Distribution and Portfolio Efficiency in Energy and Stock Markets of BRIC Countries

open access: yesInternational Journal of Financial Studies, 2020
Oil, also called black gold, is considered as the commodity which has the greatest impact on the world’s economy, and it has been studied in terms of its relationship and effects on macroeconomic variables such as Gross Domestic Product (GDP), inflation,
José Antonio Núñez-Mora   +1 more
doaj   +1 more source

Reduced Differential Transform Method for Thermoelastic Problem in Hyperbolic Heat Conduction Domain

open access: yesInternational Journal of Applied Mechanics and Engineering, 2021
In the present study, we have applied the reduced differential transform method to solve the thermoelastic problem which reduces the computational efforts.
K.K. Chaudhari, C.S. Sutar
doaj   +1 more source

The Skew Generalized Secant Hyperbolic Family

open access: yesAustrian Journal of Statistics, 2016
We introduce a skewness parameter into Vaughan’s (2002) generalized secant hyperbolic (GSH) distribution by means of exponential tilting and develop some properties of the new distribution family.
Matthias Fischer
doaj   +1 more source

A Novel Photo Elasto-Thermodiffusion Waves with Electron-Holes in Semiconductor Materials with Hyperbolic Two Temperature

open access: yesCrystals, 2022
In this paper, a novel mathematical—physical model of the generalized elasto-thermodiffusion (hole/electron interaction) waves in semiconductor materials is studied when the hyperbolic two-temperature theory in the two-dimensional (2D) deformation is ...
Merfat H. Raddadi   +4 more
doaj   +1 more source

On skewed, leptokurtic returns and pentanomial lattice option valuation via minimal entropy martingale measure

open access: yesCogent Economics & Finance, 2017
This article develops, a lattice-based approach for pricing contingent claims when parameters governing the logs of the underlying asset dynamics are modelled by generalized hyperbolic distribution and normal inverse Gaussian distribution.
Ivivi J. Mwaniki
doaj   +1 more source

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