Classification of singular radial solutions to the ${\sigma }_k$ Yamabe equation on annular domains

S. -Y. Alice Chang, Zheng-Chao Han, Paul Yang

The study of the $k$-th elementary symmetric function of the Weyl-Schouten curvature tensor of a Riemannian metric, the so called ${\sigma }_k$ curvature, has produced many fruitful result…