Results 91 to 100 of about 24,603,526 (334)

Fractional Model of Geoacoustic Emission

open access: yesВестник КРАУНЦ. Физико-математические науки, 2023
В настоящей работе была предложена и исследована дробная динамическая система, которая описывает высокочастотную геоакустическую эмиссию с наследственностью. Модель представляет собой систему из двух связных линейных осцилляторов с непостоянными коэффициентами и производными дробного порядка Герасимова-Капуто. Каждый осциллятор описывает дислокационный
openaire   +2 more sources

The fractional and mixed-fractional CEV model [PDF]

open access: yesJournal of Computational and Applied Mathematics, 2020
The continuous observation of the financial markets has identified some stylized facts which challenge the conventional assumptions, promoting the born of new approaches. On the one hand, the long-range dependence has been faced replacing the traditional Gauss-Wiener process (Brownian motion), characterized by stationary independent increments, by a ...
openaire   +2 more sources

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

open access: yesFEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva   +10 more
wiley   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

Характеристики деформационного процесса в зоне субдукции Курило-Камчатской островной дуги в фазе афтершоков на основе дробной модели деформационной активности

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki
В статье представлены результаты расчётов значений параметров, определяющих свойства деформационного процесса, на основании данных каталога землетрясений Камчатского филиала ФГБУН Федеральный исследовательский центр «Единая геофизическая служба РАН» (КФ ...
Шереметьева, О.В.   +1 more
doaj   +1 more source

Analysis and Modeling of Fractional-Order Buck Converter Based on Riemann-Liouville Derivative

open access: yesIEEE Access, 2019
In previous studies, researchers used the fractional definition of Caputo to study fractional-order power converter. However, it is found that the model based on Caputo fractional definition is inconsistent with the actual situation.
Zhihao Wei, Bo Zhang, Yanwei Jiang
doaj   +1 more source

Fractal Dynamics and Control of the Fractional Potts Model on Diamond-Like Hierarchical Lattices

open access: yesDiscrete Dynamics in Nature and Society, 2020
The fractional Potts model on diamond-like hierarchical lattices is introduced in this manuscript, which is a fractional rational system in the complex plane. Then, the fractal dynamics of this model is discussed from the fractal viewpoint.
Weihua Sun, Shutang Liu
doaj   +1 more source

Development of Fractional Order Modeling of Voltage Source Converters

open access: yesIEEE Access, 2020
This paper proposes a mathematical fractional order modelling of Voltage Source Converters (VSC). Fractional behaviour helps to model and describe a real object more accurately than the integer order model.
Monika Sharma   +3 more
doaj   +1 more source

Research on Population Development Trend in Huizhou of China Forecast Based on Optimal Weighted Combination Method and Fractional Grey Model

open access: yesJournal of Mathematics, 2021
In this paper, the optimal weighted combination model and fractional grey model are constructed. The coefficients of the optimal weighted combination model are determined by minimizing the sum of squares of resists of each model.
Dewang Li, Jianbao Chen, Meilan Qiu
doaj   +1 more source

Fractional Model for a Class of Diffusion-Reaction Equation Represented by the Fractional-Order Derivative

open access: yesFractal and Fractional, 2020
This paper proposes the analytical solution for a class of the fractional diffusion equation represented by the fractional-order derivative. We mainly use the Grunwald–Letnikov derivative in this paper.
N. Sene
semanticscholar   +1 more source

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