Volume 1, Issue 2 Don Hadwin Eric Nordgren Peter Rosenthal On the operator equation AXB + CYD = Z 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 Don Hadwin Eric Nordgren Peter Rosenthal Find more articles with the same keywords Surjectivity of mappings of operator tuples Find more articles with the same subject classes 47B49