244 citations · 1.9k across the 75 of their papers we have counts for
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astro-ph2006★ 4 cited
Dark Energy in an Astrophysical Context
Marek Nowakowski, Andres Balaguera-Antolinez
We explore local consequences of a non-zero cosmological constant on astrophysical structures. We find that the effects are not only sensitive to the density of the configurations…
math-ph2006★ 7 cited
Shape invariance through Crum transformation
Jose Orlando Organista, M. Nowakowski, H. C. Rosu
We show in a rigorous way that Crum's result on equal eigenvalue spectrum of Sturm-Liouville problems can be obtained iteratively by successive Darboux transformations. It can be s…