Volume 17, Issue 4 Yaru Qi Wenwen Qiu Carsten Trunk Mitsuru Wilson Spectral inclusion property for a class of block operator matrices 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 Yaru Qi Wenwen Qiu Carsten Trunk Mitsuru Wilson Find more articles with the same keywords Block operator matrices numerical range quadratic numerical range spectrum spectral enclosures Find more articles with the same subject classes 47A10 35P05 47A12 34G10 47D06 76B99