52 citations · 52 across the 5 of their papers we have counts for
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math-ph2005★ 52 cited
Orthogonal polynomials with discontinuous weights
Yang Chen, Gunnar Pruessner
In this paper we present a brief description of a ladder operator formalism applied to orthogonal polynomials with discontinuous weights. The two coefficient functions, A_n(z) and…
math-ph2003
The X-ray problem revisited
Estelle L. Basor, Yang Chen
In this letter we re-visit the X-ray problem. Assuming point interaction between the conduction electrons and the first instantaneously created core-hole, the latter's Green's func…