Volume 8, Issue 3 Timothy Leake Brian Lins Ilya M. Spitkovsky Pre-images of boundary points of the numerical range 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 Timothy Leake Brian Lins Ilya M. Spitkovsky Find more articles with the same keywords field of values numerical range inverse continuity weak continuity Find more articles with the same subject classes 15A60 47A12 54C08