Volume 20, Issue 1 Chunguang Ren Pei Zhang Three equivalent distances about singular subspaces 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 Chunguang Ren Pei Zhang Find more articles with the same keywords equivalent distances singular subspaces unitarily invariant norm projection matrix Find more articles with the same subject classes 15A03 15A18 15A42