Data: 05/04/2017 (quarta-feira)
Hora: 13:30h
Local: C116

Palestrante: Luis Florit (IMPA)

Título: Manifolds with conullity at most two as graph manifolds

Resumo: We find necessary and sufficient conditions for a complete Riemannian manifold of finite volume whose curvature tensor has conullity at most 2 to be a geometric graph manifold. In the process, we show that Nomizu's conjecture, well known to be false in general, is true for manifolds with finite volume.