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An improved cell mapping method based on dimension-extension for fractional systems

期刊: CHAOS, 2021; 31 (6)

Global analysis of fractional systems is a challenging topic due to the memory property. Without the Markov assumption, the cell mapping method cannot......

Dominant dynamics for a class of singularly perturbed stochastic partial differential equations with quadratic nonlinearities and random Neumann boundary conditions

期刊: CHAOS, 2021; 31 (7)

This work concerns the effective approximation for a class of singularly perturbed stochastic partial differential equations driven by a sufficiently ......

Transition pathways for a class of high dimensional stochastic dynamical systems with Levy noise

期刊: CHAOS, 2021; 31 (6)

This work is devoted to deriving the Onsager-Machlup action functional for a class of stochastic differential equations with (non-Gaussian) Levy proce......

Efficiency of communities and financial markets during the 2020 pandemic

期刊: CHAOS, 2021; 31 (8)

This paper investigates the relationship between the spread of the COVID-19 pandemic, the state of community activity, and the financial index perform......

Disintegrating spatial networks based on region centrality

期刊: CHAOS, 2021; 31 (6)

Finding an optimal strategy at a minimum cost to efficiently disintegrate a harmful network into isolated components is an important and interesting p......

A 2D hyperchaotic map with conditional symmetry and attractor growth

期刊: CHAOS, 2021; 31 (4)

By introducing trigonometric functions, a 2D hyperchaotic map with conditional symmetric attractors is constructed, where a symmetric pair of hypercha......

Demand-driven spreading patterns of African swine fever in China

期刊: CHAOS, 2021; 31 (6)

African swine fever (ASF) is a highly contagious hemorrhagic viral disease of domestic and wild pigs. ASF has led to major economic losses and adverse......

Hidden coexisting firings in fractional-order hyperchaotic memristor-coupled HR neural network with two heterogeneous neurons and its applications

期刊: CHAOS, 2021; 31 (8)

The firing patterns of each bursting neuron are different because of the heterogeneity, which may be derived from the different parameters or external......

Stochastic analysis of COVID-19 by a SEIR model with Levy noise

期刊: CHAOS, 2021; 31 (4)

We propose a Levy noise-driven susceptible-exposed-infected-recovered model incorporating media coverage to analyze the outbreak of COVID-19. We condu......

Effects of temperature and ion channel blocks on propagation of action potential in myelinated axons

期刊: CHAOS, 2021; 31 (5)

Potassium ion and sodium ion channels play important roles in the propagation of action potentials along a myelinated axon. The random opening and clo......

Parity-time-symmetric rational vector rogue waves of the n-component nonlinear Schrodinger equation

期刊: CHAOS, 2021; 31 (6)

Extreme events are investigated in the integrable n-component nonlinear Schrodinger (NLS) equation with focusing nonlinearity. We report novel multi-p......

A hyperchaotic cycloid map with attractor topology sensitive to system parameters

期刊: CHAOS, 2021; 31 (8)

We propose herein a novel discrete hyperchaotic map based on the mathematical model of a cycloid, which produces multistability and infinite equilibri......

Non-Bayesian social learning model with periodically switching structures

期刊: CHAOS, 2021; 31 (4)

In this article, we investigate the dynamics of non-Bayesian social learning model with periodically switching structures. Unlike the strongly connect......

Four-wave mixing and coherently coupled Schrodinger equations: Cascading processes and Fermi-Pasta-Ulam-Tsingou recurrence

期刊: CHAOS, 2021; 31 (8)

Modulation instability, breather formation, and the Fermi-Pasta-Ulam-Tsingou recurrence (FPUT) phenomena are studied in this article. Physically, such......

Synchronizability of double-layer dumbbell networks

期刊: CHAOS, 2021; 31 (7)

Synchronization of multiplex networks has been a topical issue in network science. Dumbbell networks are very typical structures in complex networks w......

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