Volume 10, Issue 2 Julian P. Großmann Finite rank perturbations and solutions to the operator Riccati equation 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 Julian P. Großmann Find more articles with the same keywords operator Riccati equation singular spectrum Herglotz functions Find more articles with the same subject classes 47A62 47A55 47B15