Inference of the topology of geomagnetic field multipole interactions B. Raphaldini, A. S. W. Teruya, C. F. M. Raupp, P. L. Silva-Dias and D. Y. Takahashi Eur. Phys. J. Spec. Top., 230 14-15 (2021) 2999-3007 Published online: 17 June 2021 DOI: 10.1140/epjs/s11734-021-00201-1