Estimates for eigenvalues of a system of of elliptic equations and of the biharmonic operator

Daguang Chen, Qing-Ming Cheng, Qiaoling Wang +1

Let $\om $ be a bounded domain in an $n$-dimensional Euclidean space ${\mathbb{R}}^n$. We study eigenvalues of an eigenvalue problem of a system of elliptic equations: $$ \{\aligned &Δ{\…