In this paper, which is a sequel to , we extend the spectral convergence result from  to a larger class of singularly perturbed families of scalar linear differential operators. This also extends the Conley index continuation principles from .
"On spectral convergence for some parabolic problems with locally large diffusion." Topol. Methods Nonlinear Anal. 52 (2) 631 - 664, 2018. https://doi.org/10.12775/TMNA.2018.025