Publications

Christian Bär
Geometrically formal 4-manifolds with nonnegative sectional curvature
Comm. Anal. Geom., 23(3):479-497, 2015
Preprint: http://arxiv.org/abs/1212.1325
URL: http://dx.doi.org/10.4310/CAG.2015.v23.n3.a2