Results 61 to 70 of about 8,419 (218)

Some special functions and cylindrical diffusion equation on α-time scale

open access: yesDemonstratio Mathematica
This article is dedicated to present various concepts on α\alpha -time scale, including power series, Taylor series, binomial series, exponential function, gamma function, and Bessel functions of the first kind.
Silindir Burcu   +3 more
doaj   +1 more source

Fast‐Track to Functional Neurons: Accessible and Minimalistic Neurogenin 2 Programming of Human iPSCs

open access: yesAdvanced NanoBiomed Research, EarlyView.
Fast‐track to functional human induced pluripotent stem cell (hiPSC)‐derived neurons: This colony‐initiated differentiation approach induces neurogenin 2 overexpression in dense hiPSC colonies (day 0), resulting in a structural reorganization of the colonies (day 2) before they are replated as single cells.
Jann Harberts   +9 more
wiley   +1 more source

Hidden Markov graphical models with state‐dependent generalized hyperbolic distributions

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract In this article, we develop a novel hidden Markov graphical model to investigate time‐varying interconnectedness between different financial markets. To identify conditional correlation structures under varying market conditions and accommodate shape features embedded in financial time series, we rely upon the generalized hyperbolic family of ...
Beatrice Foroni   +2 more
wiley   +1 more source

Generalised partition functions: inferences on phase space distributions [PDF]

open access: yesAnnales Geophysicae, 2016
It is demonstrated that the statistical mechanical partition function can be used to construct various different forms of phase space distributions. This indicates that its structure is not restricted to the Gibbs–Boltzmann factor prescription which ...
R. A. Treumann   +2 more
doaj   +1 more source

On the Computation of Modified Bessel Function Ratios [PDF]

open access: yesMathematics of Computation, 1978
A detailed comparison is made between a continued fraction of Gauss, and one of Perron, for the evaluation of ratios of modified Bessel functions I v ( x ) / I v − 1
Gautschi, Walter, Slavik, Josef
openaire   +2 more sources

Asymptotic independence in more than two dimensions and its implications on risk management

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract In extreme value theory, the presence of asymptotic independence signifies that joint extreme events across multiple variables are unlikely. Although well understood in a bivariate context, the concept remains relatively unexplored when addressing the nuances of simultaneous occurrence of extremes in higher dimensions.
Bikramjit Das, Vicky Fasen‐Hartmann
wiley   +1 more source

New Sharp Bounds for the Modified Bessel Function of the First Kind and Toader-Qi Mean

open access: yesMathematics, 2020
Let I v x be he modified Bessel function of the first kind of order v. We prove the double inequality sinh t t cosh 1 / q q t
Zhen-Hang Yang   +2 more
doaj   +1 more source

Joint modelling of annual precipitation maxima over several durations for the construction of intensity–duration–frequency curves

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract Intensity–duration–frequency curves are used by a wide range of professionals to manage the risks related to extreme rainfall. In Canada, these curves are produced by Environment and Climate Change Canada on the basis of Gumbel distributions fitted independently for each accumulation period.
Paul Mathivon   +2 more
wiley   +1 more source

Plasmakristall‐4 Experiment: 10 Years of Operation in Orbit

open access: yesContributions to Plasma Physics, EarlyView.
ABSTRACT Plasmakristall‐4 (PK‐4) is a microgravity complex plasma laboratory operated for 10 years on board the International Space Station. Its main purpose is the particle‐resolved investigation of generic condensed matter phenomena using strongly coupled suspensions of microparticles immersed in low‐pressure gas‐discharge plasmas.
M. Pustylnik   +3 more
wiley   +1 more source

Geometric Nature of the Turánian of Modified Bessel Function of the First Kind

open access: yesAxioms
This work explores the geometric properties of the Turanian of the modified Bessel function of the first kind (TMBF). Using the properties of the digamma function, we establish conditions under which the normalized TMBF satisfies starlikeness, convexity,
Samanway Sarkar   +3 more
doaj   +1 more source

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