Volume 12, Issue 1 Qinbo Liu Estimates on singular values of functions of perturbed 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 Qinbo Liu Find more articles with the same keywords singular values pertubed operators modulus of continuity Find more articles with the same subject classes 47A10 47A55