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| - The role of the basic three-modes interaction during the free decay of magnetohydrodynamic turbulence
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| - We investigate the predictability of solutions of nonlinear relaxation in two-dimensional magnetohydrodynamic equations without external forcing terms (free decay). We use a Galerkin approximation for the equations of motion by retaining only three interacting wave vectors, to reduce the system to $N = 6$ (when the fields have only real amplitudes) or $N = 12$ (when amplitudes are complex) ordinary differential equations. We found that the asymptotic state of the model with real amplitudes can be predicted, while that of the model with complex amplitudes strongly depends on the time behavior of the phases of fields.
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