TY - GEN AU - Arcoya Álvarez, David AU - Sportelli, Caterina PY - 2023 UR - https://hdl.handle.net/10481/83810 AB - The first part of this paper concern with the study of the Lorentz force equation [GRAPHICS] in the relevant physical configuration where the electric field (E) over right arrow has a singularity in zero. By using Szulkin's critical point... LA - eng PB - Springer Nature KW - Lorentz force equation KW - Relativistic pendulum equation KW - Mountain pass theorem KW - Global continuation theorem TI - Relativistic equations with singular potentials DO - 10.1007/s00033-023-01977-z ER -