Offen, Christian, and Sina Ober-Blöbaum. “Bifurcation Preserving Discretisations of Optimal Control Problems.”https://doi.org/10.1016/j.ifacol.2021.11.099__IFAC-PapersOnLine, 2021.https://doi.org/10.1016/j.ifacol.2021.11.099 .
LibreCat: /record/22894
DOI: https://doi.org/10.1016/j.ifacol.2021.11.099
arXiv: 2107.13853

McLachlan, Robert I, and Christian Offen. “Hamiltonian Boundary Value Problems, Conformal Symplectic Symmetries, and Conjugate Loci.”https://doi.org/10.53733/34 __New Zealand Journal of Mathematics 48 (2018): 83–99.https://doi.org/10.53733/34  .
LibreCat: /record/19943
DOI: 10.53733/34 
arXiv: 1804.07479