Volume 18, Issue 3 Rytis Juršėnas The peak model for finite rank supersingular perturbations 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 Rytis Juršėnas Find more articles with the same keywords supersingular perturbation exit space extension generalized resolvent boundary triple linear relation γ-field Weyl function Find more articles with the same subject classes 47B25 47A06 34B05 35P05