Semismall perturbations in the martin theory for elliptic equations
- Cite this article as:
- Murata, M. Isr. J. Math. (1997) 102: 29. doi:10.1007/BF02773794
We investigate stability of Martin boundaries for positive solutions of elliptic partial differential equations. We define a perturbation which isG L D -semismall at infinity, show that Martin boundaries are stable under this perturbation, and give sufficient conditions for it.