On the geometric structure of currents tangent to smooth distributions

Abstract

It is well known that a $k$-dimensional smooth surface in a Euclidean space cannot be tangent to a non-involutive distribution of $k$-dimensional planes. In this paper we discuss the extension of this statement to weaker notions of surfaces, namely integral and normal currents. We find out that integral currents behave to this regard exactly as smooth surfaces, while the behavior of normal currents is rather multifaceted. This issue is strictly related to a geometric property of the boundary of currents, which is also discussed in details.