Remarks on the spectrum of the Dirac operator
Abstract
Description
We describe a new family of examples of hypersurfaces in the sphere satisfying the limiting-case in C. Bär's extrinsic upper bound for the smallest eigenvalue of the Dirac operator.
4 pages, French; to appear in C. R. Acad. Sci. Paris
4 pages, French; to appear in C. R. Acad. Sci. Paris