Volume 6, Issue 1 R. E. Hartwig P. Patrício When does the Moore-Penrose inverse flip? 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 R. E. Hartwig P. Patrício Find more articles with the same keywords rings triangular matrices von Neumann regularity Moore-Penrose inverse Find more articles with the same subject classes 15A09 16E50 16W10