Bulletin mathématique de la Société des Sciences Mathématiques de Roumanie, Nouvelle Série, Vol. 56 (104), No. 3 (2013), pp. 299-313 (15 pages) We continue studying normal left coideal subalgebras of ...

Suppose a manifold M has a codimension one, transversely orientable foliation without holonomy, and L is a leaf. We give a simple, purely topological proof of the theorem that π1(L) is a normal ...