Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 14 references without a DOI — listed, not checked
no DOI — not checkedBriet, Ph., Combes, J.M., Duclos, P.: On the location of resonances for Schr�dinger operators in the semi-classical limit. III. The shape resonances (in preparation)
no DOI — not checkedBohm, A.: Quantum mechanics. Berlin, Heidelberg, New York: Springer 1986
no DOI — not checkedCycon, H.L.: Resonances defined by modified dilations. Helv. Phys. Acta53, 969?981 (1985)
no DOI — not checkedHislop, P., Sigal, I.M.: Lectures on spectral theory (in preparation)
no DOI — not checkedHelffer, B., Sj�strand, J.: Resonances en limite semi-classique, M�m. de la S.M.F. no. 24/25, Suppl. de la S.M.F. Bulletin114 (1986)
no DOI — not checkedHunziker, W.: Distortion analyticity and molecular resonance curves. Ann. Inst. H. Poincar�45, 339?358 (1986)
no DOI — not checkedHunziker, W.: Notes on asymptotic perturbation theory.... Helv. Phys. Acta61, 257?304 (1988)
no DOI — not checkedKato, T.: Perturbation theory for linear operators. Berlin, Heidelberg, New York: Springer 1966
no DOI — not checkedLandau, L., Lifshitz, E.: Quantum mechanics, London: Pergamon Press 1965
no DOI — not checkedMorrey, Jr., C.B.: Multiple integrals in the calculus of variations. Berlin, Heidelberg, New York: Springer 1966
no DOI — not checkedSigal, I.M.: Complex transformation method and resonances in one-body quantum systems. Ann. Inst. H. Poincar�41, 103?114 (1984); and Addendum41, 333 (1984)
no DOI — not checkedSigal, I.M.: Life-time of Stark resonances. In: Proc. of Conf. on Field Theory and Related Topics. Feldman, J., Rosen, L. (eds.) CMS Conference Proceedings9, 233?246 (1988)
no DOI — not checkedSimon, B.: The theory of resonances for dilation-analytic potentials.... Ann. Math.97, 246?274 (1973)
no DOI — not checkedTitchmarsh, E.C.: Eigenfunction expansions associated with second order differential equations. Oxford: Oxford University Press 1958
checked 2026-08-12 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.