TY - JOUR AU - Muñoz, Vicente AU - Tralle, Aleksy PY - 2015 DO - 10.1007/s00209-015-1494-8 SN - 0025-5874 UR - https://hdl.handle.net/20.500.14352/34868 T2 - Mathematische Zeitschrift AB - We construct a compact simply-connected 7-dimensional manifold admitting a K-contact structure but not a Sasakian structure. We also study rational homotopy properties of such manifolds, proving in particular that a simply-connected 7-dimensional... LA - eng M2 - 457 PB - Springer KW - Contact structure KW - Formality KW - Sasakian manifold KW - Symplectic manifold TI - Simply connected K-contact and Sasakian manifolds of dimension 7 TY - journal article VL - 281 ER -