|Date||Jul 12, 2018|
|Speaker||Slavisa V. Djordjevic|
|Dept.||Benemerita Universidad Automoma de Puebla, Mexico|
In this talk we consider isolated points in the spectrum of linear pencil of operators.
Here we introduce an idea of Koliha-Drazin invertibility and then describe the isolated points
in the spectrum of A-cB for bounded linear operators A and B.