A Counterexample for the Principal Eigenvalue of An Elliptic Operator with Large Advection

Xueli Bai, Xin Xu, Kexin Zhang +1

There are numerous studies focusing on the convergence of the principal eigenvalue $\lambda (s)$ as $s\to +\infty$ corresponding to the elliptic eigenvalue problem \begin{align*} -Δφ(x)-2s…