Finite-time synchronization of complex-valued neural networks with reaction-diffusion terms: An adaptive intermittent control approach

S Shanmugam, G Narayanan, K Rajagopal… - Neural Computing and …, 2024 - Springer
In this paper, we present a novel approach to achieve finite-time synchronization (FTS) in a
certain class of fractional-order complex-valued neural networks (CVNNs) containing …

Bifurcation and chaos in the fractional form of Hénon-Lozi type map

A Ouannas, AA Khennaoui, X Wang, VT Pham… - The European Physical …, 2020 - Springer
In this paper, we are particularly interested in the fractional form of the Hénon-Lozi type map.
Using discrete fractional calculus, we show that the general behavior of the proposed …

Emergence of extreme events in coupled systems with time-dependent interactions

S Kumarasamy, S Srinivasan, PB Gogoi… - … in Nonlinear Science and …, 2022 - Elsevier
We present a class of extreme events manifested in dynamical systems involving time-
dependent attractive and repulsive couplings. We consider two cases of time-varying …

Mixed-mode oscillations and extreme events in fractional-order Bonhoeffer–van der Pol oscillator

Z Wei, S Kumarasamy, M Ramasamy… - … Journal of Nonlinear …, 2023 - pubs.aip.org
In the present study, we investigate the dynamic behavior of the fractional-order Bonhoeffer–
van der Pol (BVP) oscillator. Previous studies on the integer-order BVP have shown that it …

Additional complex conjugate feedback-induced explosive death and multistabilities

K Sathiyadevi, D Premraj, T Banerjee, M Lakshmanan - Physical Review E, 2022 - APS
Many natural and man-made systems require suitable feedback to function properly. In this
study, we aim to investigate the impact of additional complex conjugate feedback on globally …

Complex mixed-mode oscillations in oscillators sharing nonlinearity

MP Asir, D Premraj, K Sathiyadevi - The European Physical Journal Plus, 2022 - Springer
Mixed-mode oscillations (MMOs) are a typical manifestation of slow-fast dynamical systems
that contains a sequence of large amplitude excursions interspersed with small amplitude …

Dynamical effects of hypergraph links in a network of fractional-order complex systems

M Ramasamy, S Kumarasamy, A Srinivasan… - … Journal of Nonlinear …, 2022 - pubs.aip.org
In recent times, the fractional-order dynamical networks have gained lots of interest across
various scientific communities because it admits some important properties like infinite …

Bifurcation delay, travelling waves and chimera-like states in a network of coupled oscillators

V Varshney, S Kumarasamy, B Biswal… - The European Physical …, 2020 - Springer
We report novel bifurcation delays and chimera-like states in a network of driven FitzHugh-
Nagumo (FHN) oscillators, where each oscillator can rotate either clockwise or …

Impact of repulsive coupling in exhibiting distinct collective dynamical states

R Ramamoorthy, S Boulaaras, A Alharbi… - The European Physical …, 2022 - Springer
The attractive coupling, in combination with the repulsive coupling, plays a significant role in
eliciting a variety of collective dynamical behaviors. Due to its importance, we present a brief …

Research of the stability of some hereditary dynamic systems

RI Parovik - Journal of Physics: Conference Series, 2018 - iopscience.iop.org
In the training course of the theory of differential equations, there exists a section on the
investigation of the stability of systems of differential equations. If the system of differential …