Geodesic
Scattering Length and the Spectrum of –Δ + V
Canadian mathematical bulletin, Tome 49 (2006) no. 1, pp. 144-151

Voir la notice de l'article provenant de la source Cambridge University Press

Given a non-negative, locally integrable function $V$ on ${{\mathbb{R}}^{n}}$ , we give a necessary and sufficient condition that $-\Delta +V$ have purely discrete spectrum, in terms of the scattering length of $V$ restricted to boxes.
DOI : 10.4153/CMB-2006-015-5
Mots-clés : 35J10 
Taylor, Michael. Scattering Length and the Spectrum of –Δ + V. Canadian mathematical bulletin, Tome 49 (2006) no. 1, pp. 144-151. doi: 10.4153/CMB-2006-015-5
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