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Fractal and Fractional, Volume 8, Issue 11

November 2024 - 63 articles

Cover Story: Recently, a first-order recurrent neural network activated by a Morlet wavelet function was introduced which can identify multiple chaotic systems in a black-box scheme, i.e., the neural network knows nothing about the system to be identified and its structure and synaptic weights remain fixed. As a limitation, it was found that traditional systems such as Lorenz and Rösser were not identified, which raised the question: can such a first-order recurrent neural network improve its identification capabilities when modeled by fractional-order operators? The results suggest that such a combination does not cause significant changes in the identification properties of the neural network. However, scenarios were found where the neural algorithm identifies the Rössler system. View this paper
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Articles (63)

  • Article
  • Open Access
942 Views
22 Pages

This article mainly delves into finite-time passivity and finite-time synchronization of fractional-order spatiotemporal directed networks with multiple weights via boundary control schemes. Firstly, several concepts of finite-time passivity for frac...

  • Article
  • Open Access
1 Citations
1,511 Views
21 Pages

In this paper, an effective numerical approach that combines the fast L1 formula and barycentric Lagrange interpolation is proposed for solving a kind of time-fractional evolution equations. This type of equation contains a nonlocal term involving th...

  • Article
  • Open Access
1,668 Views
13 Pages

We study fixed-point theorems of contractive mappings in b-metric space, cone b-metric space, and the newly introduced extended b-metric space. To generalize an existence and uniqueness result for the so-called Φs functions in the b-metric space...

  • Article
  • Open Access
5 Citations
1,238 Views
15 Pages

This study explores the novel dynamics of the (3+1)-dimensional generalized Korteweg–de Vries–Zakharov–Kuznetsov (KdV-ZK) equation. A Galilean transformation is employed to derive the associated system of equations. Perturbing this...

  • Article
  • Open Access
3 Citations
1,395 Views
20 Pages

Investigating the Dynamics of a Unidirectional Wave Model: Soliton Solutions, Bifurcation, and Chaos Analysis

  • Tariq Alraqad,
  • Muntasir Suhail,
  • Hicham Saber,
  • Khaled Aldwoah,
  • Nidal Eljaneid,
  • Amer Alsulami and
  • Blgys Muflh

The current work investigates a recently introduced unidirectional wave model, applicable in science and engineering to understand complex systems and phenomena. This investigation has two primary aims. First, it employs a novel modified Sardar sub-e...

  • Article
  • Open Access
1 Citations
1,920 Views
29 Pages

Quantitative Analysis of the Fractional Fokker–Planck–Levy Equation via a Modified Physics-Informed Neural Network Architecture

  • Fazl Ullah Fazal,
  • Muhammad Sulaiman,
  • David Bassir,
  • Fahad Sameer Alshammari and
  • Ghaylen Laouini

An innovative approach is utilized in this paper to solve the fractional Fokker–Planck–Levy (FFPL) equation. A hybrid technique is designed by combining the finite difference method (FDM), Adams numerical technique, and physics-informed n...

  • Article
  • Open Access
1 Citations
1,170 Views
11 Pages

Advanced Differential Equations with Canonical Operators: New Criteria for the Oscillation

  • Omar Bazighifan,
  • Nawa Alshammari,
  • Khalil S. Al-Ghafri and
  • Loredana Florentina Iambor

In this study, we use the integral averaging methodology, comparison with second-order differential equations, and the Riccati technique to determine the Philos-type and Hille–Nehari-type oscillation conditions of fourth-order advanced differen...

  • Article
  • Open Access
4 Citations
1,661 Views
15 Pages

This study investigates the effect of thermal cracking on the tensile strength of granite through a combination of experimental testing and numerical simulations. The primary objective is to understand how thermal stress, induced by heat treatment at...

  • Article
  • Open Access
1,153 Views
9 Pages

Discovery of Intrinsic Ferromagnetism Induced by Memory Effects in Low-Dimensional System

  • Shaolong Zeng,
  • Xuejin Wan,
  • Yangfan Hu,
  • Shijing Tan and
  • Biao Wang

The impact of dynamic processes on equilibrium properties is a fundamental issue in condensed matter physics. This study investigates the intrinsic ferromagnetism generated by memory effects in the low-dimensional continuous symmetry Landau–Gin...

  • Article
  • Open Access
1 Citations
1,424 Views
22 Pages

This paper investigates the leader-following H∞ consensus of fractional-order multi-agent systems (FOMASs) under input saturation via the output feedback. Based on the bounded real lemma for FOSs, the sufficient conditions of H∞ consensus...

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Fractal Fract. - ISSN 2504-3110