Volume 13, Issue 4 Ben Lawrence Examples for the quantum Kippenhahn theorem 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 Ben Lawrence Find more articles with the same keywords free analysis non-commutative algebra linear pencil double eigenvalues Kippenhahn conjecture Find more articles with the same subject classes 15A22 15A42 46L52 90C22