ON SUBMANIFOLDS OF PARA-SASAKIAN MANIFOLDS
Studying in submanifolds of para-Sasakian manifolds, we obtain that (1) semi-parallel and 2-semi-parallel invariant submanifolds are totally geodesic, (2) necessary and sufficient conditions for the integrability of distributions and (3) some characterizations for submanifolds to be semi-invariant.
para-Sasakian manifolds, invariant submanifolds, semi-invariant submanifolds.