Volume 5, Issue 1 Hamid Reza Afshin Mohammad Ali Mehrjoofard Abbas Salemi Polynomial inverse images and polynomial numerical hulls of normal matrices 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 Hamid Reza Afshin Mohammad Ali Mehrjoofard Abbas Salemi Find more articles with the same keywords polynomial numerical hull polynomial inverse image joint numerical range normal matrices Find more articles with the same subject classes 15A60 15A18 14H45 30C15 52A10