Hijazi, O.; Raulot, S.
(Symmetry, Integrability and Geometry: Methods and Applications, 2007)
On a closed n-dimensional manifold, n ≥ 5, we compare the three basic conformally covariant operators: the Paneitz-Branson, the Yamabe and the Dirac operator (if the manifold is spin) through their first eigenvalues. On a ...