Volume 11, Issue 2 Deyu Wu Alatancang Chen Tin-Yau Tam The spectral equality for upper triangular operator matrices with unbounded entries 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 Deyu Wu Alatancang Chen Tin-Yau Tam Find more articles with the same keywords spectral equality upper triangular operator matrices null space Find more articles with the same subject classes 47B47 47A10