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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2508.00515 |
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Table of Contents:
- We obtain a new addition theorem for the fundamental solution of the Navier-Lamé system in dimension 3 satisfying the Kupradze radiation conditions. This provides an expansion of this fundamental solution that involves only the evaluation of Bessel functions and scalar spherical harmonics. This is particularly useful in collocation numerical methods based on fundamental solutions, such as the boundary element method or the method of fundamental solutions. For this last method, we show its efficiency when approximating the Navier-Lamé system in exterior domains.