TY - NEWS
TI - Hessians, warped products and eigenvalues.
AU - Castañeda, Nelson
AB - We use the Hessian - Weitzenböck formula to simplify the exposition of several well known
theorems. We present a uni ed treatment of the theorems of Lichnerowicz - Obata, Reilly
and Escobar regarding the  rst eigenvalue of the Laplacian on Manifolds.
DA - 2011-10-13
KW - Hessians
KW - Warped products
KW - Eigenvalue bounds
KW - Riemannian manifold
UR - https://bibliotecadigital.univalle.edu.co/handle/10893/1810
ER -