10 problems
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Hopf bifurcations at the numerically identified critical delays
Let be the interconnection-strength parameter, let be the transmission delay, and let the values in Table be the numerically identified critical delays at which purely im…
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Bistability conjecture for a three-class structured population model
Bistability conjecture. There exists a choice of parameters such that is locally asymptotically stable but not globally asymptotically stable. The -limit set also…
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Two-threshold stability scenario for intermediate interconnection strength
Two-threshold stability conjecture. When
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The parametric-noise destruction conjecture for the Brusselator's Hopf bifurcation
Let the Brusselator be subjected to a noisy term representing a stochastic variation of its bifurcation parameter. Parametric-noise destruction conjecture. Parametric noise destroy…
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Parametric-noise destruction of the Hopf bifurcation in the stochastic Brusselator
Consider the stochastic Brusselator system with noise intensity . A random equilibrium is a random state invariant under the cocycle dynamics, namely a measurable point…
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Conjecture on intersecting Hopf bifurcation curves in delayed patch models
Consider a delayed single-population model with nine patches, symmetric connectivity matrix , patch parameters as specified in the example, and multiple Hopf bi…
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Damping of ERK oscillations at high processivity
Let and be the kinase and phosphatase processivity levels, respectively, and consider oscillations arising from Hopf bifurcations in the ERK system. Oscillation-da…
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Lifting reduced-ERK Hopf bifurcations to the original ERK network
Let the reduced ERK network be the processive-limit reduction of the original ERK network, and consider the theorem asserting Hopf bifurcations for all processivity levels sufficie…
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Large-shear conjecture for positivity of the top Lyapunov exponent
Consider the random dynamical system induced by the stochastic differential equation in the paper, and fix and . Let denote its top Ly…
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Critical-shear conjecture for loss of synchronisation in noisy Hopf dynamics
Consider the two-dimensional stochastic differential equation exhibiting a Hopf bifurcation, with linear stability of the origin as the deterministic Hopf bifurcation parameter and…