Volume 4, Issue 4 Mostafa Mbekhta Linear maps preserving the minimum and surjectivity moduli of operators 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 Mostafa Mbekhta Find more articles with the same keywords minimum modulus surjectivity modulus Jordan isomorphism linear preservers Find more articles with the same subject classes 47B48 47A10 46H05