A Unifying Action Principle for Classical Mechanical Systems. - Alexander Rothkopf; W. A. Horowitz (CoRR, 2024)

Exact space-time symmetry conservation and automatic mesh refinement for classical lattice field theory. - Alexander Rothkopf; W. A. Horowitz; Jan Nordström (CoRR, 2024)

Exact symmetry conservation and automatic mesh refinement in discrete initial boundary value problems. - Alexander Rothkopf; W. A. Horowitz; Jan Nordström (J. Comput. Phys., 2025)