  The turbulence of capillary waves on the surface of a ferrofluid with a high
permeability in a horizontal magnetic field is considered in the framework of a
one-dimensional weakly nonlinear model. In the limit of a strong magnetic
field, the surface waves under study can propagate without distortions along or
against the direction of external field, i.e., similar to Alfv\'en waves in a
perfectly conducting fluid. The interaction of counter-propagating nonlinear
waves leads to the development of wave turbulence on the surface of the liquid.
The computational data show that the spectrum of turbulence is divided into two
parts: a low-frequency dispersionless region, where the magnetic forces
dominate and a high-frequency dispersive one, in which the influence of
capillary forces becomes significant. In the first region, the spectrum of the
surface elevation has the same exponent in $k$ and $\omega$ domains and its
value is close to $-3.5$, what is in a good agreement with the estimation
obtained from the dimensional analysis of the weak turbulence spectra. At the
high frequencies, the computed spatial spectrum of the surface waves is close
to $k^{-5/2}$ which corresponds to $\omega^{-5/3}$ in terms of the frequency.
This spectrum does not coincide with the Zakharov-Filonenko spectrum obtained
for pure capillary waves. A possible explanation of this fact is in the
influence of coherent structures (like shock waves) usually arising in media
with weak dispersion.
