In the article the authors extend B.Y.Chen's inequality to other ambient spaces by the Nash imbedding theorem,obtain some meaningful results about the upper bounds of λ1 for the Laplace operator on submanifolds.
文摘In the article the authors extend B.Y.Chen's inequality to other ambient spaces by the Nash imbedding theorem,obtain some meaningful results about the upper bounds of λ1 for the Laplace operator on submanifolds.
