Wolfgang Ziller, University of Pensylvania

Title: A variational approach to prescribing the Ricci tensor

Abstract: We discuss the question of which tensors T can be the
Ricci tensor of a metric, i.e. Ric(g)=T or Ric(g)=cT for some c.
Solutions can be viewed as the critical points of a modified scalar
curvature functional and we examine the global behavior of this
functional in the case of homogeneous spaces.

This is joint work with Artem Pulemotov.