9 citations
2 papers
math.CO2005★ 1 cited
Taut distance-regular graphs and the subconstituent algebra
Mark S. MacLean, Paul Terwilliger
We consider a bipartite distance-regular graph with diameter at least 4 and valency at least 3. We obtain upper and lower bounds for the local eigenvalues of in ter…
quant-ph2004★ 9 cited
Renormalization of the singular attractive potential
Mary Alberg, Michel Bawin, Fabian Brau
We study the radial Schrödinger equation for a particle of mass in the field of a singular attractive potential with particular emphasis on the bound states problem…