TY - RPRT TI - A Type II Hamiltonian Variational Principle and Adjoint Systems for Lie Groups AU - Tran, Brian K. [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000278443536) AU - Leok, Melvin [Univ. of California, San Diego, CA (United States)] PY - 2025 DO - 10.1007/s10883-025-09730-7 UR - https://www.osti.gov/biblio/2520138 ID - 2520138 ER -