A new multi-domain spectral numerical framework in cylindrical coordinates demonstrates that the ground state soliton is the sharp threshold for global versus finite-time existence in the 3D critical Zakharov-Kuznetsov equation.
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Multi-domain spectral approach for Zakharov-Kuznetsov equations in 3D with cylindrical symmetry
A new multi-domain spectral numerical framework in cylindrical coordinates demonstrates that the ground state soliton is the sharp threshold for global versus finite-time existence in the 3D critical Zakharov-Kuznetsov equation.