Bursting oscillations with delayed C-bifurcations in a modified Chua's circuit

Z Wang, Z Zhang, Q Bi - Nonlinear Dynamics, 2020 - Springer
In this research, a typical Chua's circuit with a piecewise nonlinear resistor and a slow-
varying periodic excitation is considered to investigate the dynamical mechanisms of …

Canards, folded nodes, and mixed-mode oscillations in piecewise-linear slow-fast systems

M Desroches, A Guillamon, E Ponce, R Prohens… - SIAM review, 2016 - SIAM
Canard-induced phenomena have been extensively studied in the last three decades, from
both the mathematical and the application viewpoints. Canards in slow-fast systems with (at …

Piecewise-linear (PWL) canard dynamics: Simplifying singular perturbation theory in the canard regime using piecewise-linear systems

M Desroches, S Fernández-García, M Krupa… - Nonlinear Systems, Vol …, 2018 - Springer
In this chapter we gather recent results on piecewise-linear (PWL) slow-fast dynamical
systems in the canard regime. By focusing on minimal systems in R^ 2 (one slow and one …

A novel bursting oscillation and its transitions in a modified Bonhoeffer–van der Pol oscillator with weak periodic excitation

X Ma, W Hou, X Zhang, X Han, Q Bi - The European Physical …, 2021 - epjplus.epj.org
In this paper, we investigate the bursting dynamics in a modified Bonhoeffer–van der Pol
oscillator with weak periodic excitation. First, by regarding the weak periodic excitation as a …

Interplay between nonlinear Fokker–Planck equation and stochastic differential equation

LS Lima - Probabilistic Engineering Mechanics, 2022 - Elsevier
We derive the stochastic differential equation (SDE) in Itô's calculus corresponding to
nonlinear Fokker–Planck equation where the nonlinearity appearing in this evolution …

Nonlinear complexification of periodic orbits in the generalized Landau scenario

R Herrero, J Farjas, F Pi, G Orriols - Chaos: An Interdisciplinary Journal …, 2022 - pubs.aip.org
We have found a way for penetrating the space of the dynamical systems toward systems of
arbitrary dimension exhibiting the nonlinear mixing of a large number of oscillation modes …

Nonlinear oscillatory mixing in the generalized Landau scenario

R Herrero, J Farjas, F Pi, G Orriols - Physical Review E, 2018 - APS
We present a set of phase-space portraits illustrating the extraordinary oscillatory
possibilities of the dynamical systems through the so-called generalized Landau scenario. In …

Feynman–Vernon influence functional approach for the damped driven oscillator in RLC circuit

LS Lima, LG Almeida Arruda - The European Physical Journal Plus, 2023 - Springer
Abstract The Feynman–Vernon influence functional formalism which is adequate for the
study of dissipative dynamics is used to describe weakly coupled circuits. The classical …

[HTML][HTML] Expression of some special functions through q-exponentials of the nonadditive statistical mechanics

LS Lima - Journal of Modern Physics, 2019 - scirp.org
Generalized q-exponentials functions are employed to make a generalization of complete
and incomplete gamma functions. We obtain a generalization of this class of special …

Periodic orbits in hysteretic systems with real eigenvalues

M Esteban, E Ponce, F Torres - Nonlinear Dynamics, 2019 - Springer
Planar piecewise linear systems with hysteresis coming from a dimensional reduction in
symmetric 3D systems with slow–fast dynamics are considered. We concentrate our …