Volume 16, Issue 3 Krishna Kumar G. Judy Augustine A pseudospectral mapping theorem for operator pencils Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Krishna Kumar G. Judy Augustine Find more articles with the same keywords operator pencil spectrum pseudospectrum (n,ε)-pseudospectrum spectral mapping theorem Find more articles with the same subject classes 47A10 47A56 15A22 15A09 65J10 47A30