TY - RPRT TI - Sylvester-preconditioned adaptive-rank implicit time integrators for advection-diffusion equations with variable coefficients AU - El Kahza, Hamad [Univ. of Delaware, Newark, DE (United States)] AU - Qiu, Jing-Mei [Univ. of Delaware, Newark, DE (United States)] AU - Chacón, Luis [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000245668763) AU - Taitano, William Tsubasa [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000223690935) PY - 2025 DO - 10.1016/j.jcp.2025.114377 UR - https://www.osti.gov/biblio/2997635 ID - 2997635 ER -