Volume 9, Issue 2 Franz Hanauska On the closure of the discrete spectrum of nuclearly 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 Franz Hanauska Find more articles with the same keywords eigenvalues discrete spectrum nuclear perturbations Find more articles with the same subject classes 26D15 26A51 32F99 41A17