An analytical method for studying double Hopf bifurcations induced by two delays in nonlinear differential systems
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DOI: 10.1007/s11431-019-9673-6
Abstract: An analytical method is introduced to investigate double Hopf bifurcations induced by two delays qualitatively and quantitatively. As an illustrative example, the clear procedure is demonstrated to study delay-induced weak resonant double Hopf bifurcation in… read more here.
Keywords: analytical method; hopf bifurcations; double hopf; two delays ... See more keywords
Hopf bifurcation analysis of predator–prey model with two delays and disease transmission
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DOI: 10.1142/s1793524520500680
Abstract: In this paper, we study the Hopf bifurcation of predator–prey system with two delays and disease transmission. Furthermore, the global existence of bifurcated periodic solution was studied, the inf... read more here.
Keywords: predator prey; disease transmission; delays disease; hopf bifurcation ... See more keywords
Analysis of iterative learning control for an oscillating control system with two delays
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DOI: 10.1177/0142331217690581
Abstract: In order to track the desired reference trajectory from an oscillating control system with two delays in a finite time interval, we design iterative learning control updating laws to generate a sequence of input control… read more here.
Keywords: oscillating control; control; system two; two delays ... See more keywords
The stability analysis of a system with two delays
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DOI: 10.1186/s13661-018-1024-9
Abstract: This paper presents new results of stability analysis for a linear system with two delays. We attempt to determine the asymptotic stability regions of the system in a parameter space by using D-partition method. Moreover,… read more here.
Keywords: system; stability analysis; system two; two delays ... See more keywords
Global Hopf bifurcation for two zooplankton-phytoplankton model with two delays
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DOI: 10.1186/s13662-020-03060-7
Abstract: In this paper, we study the global existence of a bifurcating periodic solution for a two zooplankton-phytoplankton model with two delays. First, we demonstrate that the bifurcating periodic solution exists when one delay increases and… read more here.
Keywords: phytoplankton model; zooplankton phytoplankton; two delays; model two ... See more keywords
Inverse problems for differential operators with two delays larger than half the length of the interval and Dirichlet conditions
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DOI: 10.3906/mat-1903-112
Abstract: This paper deals with nonself-adjoint second-order differential operators with two constant delays from [ π 2 , π and two real-valued potentials from L2[0, π]. An inverse spectral problem of recovering operators from the spectra… read more here.
Keywords: operators two; delays larger; two delays; inverse problems ... See more keywords