  Almost para-Hermitian manifold it is manifold equipped with almost
para-complex structure and compatible pseudo-metric of neutral signature. It is
considered a class of immersions of almost para-Hermitian manifolds into almost
para-Hermitian manifolds. Such immersions are called slant submanifolds. The
concept is an analogue of the idea of slant submanifold in almost Hermitian
geometry. There are classified pointwise slant surfaces of four dimensional
almost para-Hermitian manifold.
