@article{Lavilledieu_Seeger_2000, title={Eigenvalue stability for multivalued operators}, volume={15}, url={https://apcz.umk.pl/TMNA/article/view/TMNA.2000.009}, abstractNote={Let $\sigma(F)$ denote the point spectrum of a multivalued operator $F \colon H \rightrightarrows H $ defined over a real Hilbert space. The aim of this note is to explore the continuity properties of the spectral mapping $F \rightrightarrows \sigma(F)$.}, number={1}, journal={Topological Methods in Nonlinear Analysis}, author={Lavilledieu, Philippe and Seeger, Alberto}, year={2000}, month={Mar.}, pages={115–128} }