## Separation of Variables and Contractions on Two-Dimensional Hyperboloid    [PDF]

Ernie Kalnins, George S. Pogosyan, Alexander Yakhno
In this paper analytic contractions have been established in the $R\to\infty$ contraction limit for exactly solvable basis functions of the Helmholtz equation on the two-dimensional two-sheeted hyperboloid. As a consequence we present some new asymptotic formulae.
View original: http://arxiv.org/abs/1212.6123