Abstract.
In this paper we obtain fundamental solutions for a class of operators of the form
$$\frac{1}{2}\Delta _{{x,s}} + \frac{\alpha }{s}\frac{\partial } {{\partial s}},\quad \alpha \in \mathbb{C}\backslash \{ 0\} .$$
These include generalizations of the classical Tricomi operator as well as the Laplace–Beltrami operator on a manifold with a suitable metric. Our results are then used to obtain explicit formulas for fundamental solutions of generalized Tricomi operators.
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Barros-Neto, J., Cardoso, F. Hypergeometric functions and Tricomi operators: pole in the elliptic region. Sel. math., New ser. 11, 309 (2006). https://doi.org/10.1007/s00029-005-0006-9
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DOI: https://doi.org/10.1007/s00029-005-0006-9