Volume 17, Issue 3 Maria Adam Berivan Azeez Fatemeh E. Taheri Computing the S-numerical ranges of differential 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 Maria Adam Berivan Azeez Fatemeh E. Taheri Find more articles with the same keywords operator matrices Block operator matrices S-numerical range finite difference Sturm-Liouville operator Hain-Lüst operator Stokes operator Find more articles with the same subject classes 65L15 65L12 34L15 15A22 47A12