TY - RPRT TI - Parallel-in-Time Solution of Hyperbolic PDE Systems via Characteristic-Variable Block Preconditioning AU - Krzysik, Oliver Andrew [Univ. of Waterloo, ON (Canada); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000178806512) AU - De Sterck, Hans [Univ. of Waterloo, ON (Canada)] (ORCID:000000021641932X) AU - Falgout, Rob D. [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000348840087) AU - Schroder, Jacob B. [Univ. of New Mexico, Albuquerque, NM (United States)] (ORCID:0000000210769206) PY - 2025 DO - 10.1137/24m1673310 UR - https://www.osti.gov/biblio/3001304 ID - 3001304 ER -