Geometric analysis for the Pontryagin action and boundary terms

@misc{berra-montiel2025geometricanalysispontryagin,
      title={Geometric analysis for the Pontryagin action and boundary terms}, 
      author={Jasel Berra-Montiel and Alberto Molgado and Iñaki de Santos},
      year={2025},
      eprint={2502.14756},
      archivePrefix={arXiv},
      primaryClass={gr-qc},
      url={https://arxiv.org/abs/2502.14756}, 
}