  We review the notion of the deformation of the exterior wedge product. This
allows us to construct the deformation of the algebra of exterior forms over a
vector space and also over an arbitrary manifold. We relate this approach to
the generalized statistics. we study quons, as a particular case of these
generalized statistics. We also give their statistical properties.
  A large part of the work is devoted to the problem of constructing coherent
states for the deformed oscillators. we give a review of all the approaches
existing in the literature concerning this point and enforce it with many
examples.
