Key points are not available for this paper at this time.
UDC 517.98 The main goal of the paper is to determine some basic properties of the essential pseudospectrum of a bounded linear operator A defined on a Banach space X . We also prove two different versions of the essential pseudospectral mapping theorem.
Ammar et al. (Mon,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: