The smallest Dirac eigenvalue in a spin-conformal class and cmc-immersions

Bernd Ammann

Let us fix a conformal class $[g_0]$ and a spin structure $\sigma$ on a compact manifold $M$. For any $g\in [g_0]$, let ${\lambda }_1^{+}(g)$ be the smallest positive eigenvalue of the Dirac opera…