Olga Aryasova (Inst. of Geophysics, Nat. Acad. of Sciences of Ukraine / Friedrich–Schiller–Univ. Jena)
In this talk we will consider the Yamabe equation on 4-dimensional globally hyperbolic Lorentzian manifolds. We will discuss some different approaches how one could get a positive global solution to the Yamabe equation and also the problems we are faced with in doing so.