TY - RPRT TI - AthenaK: A Performance-portable Version of the Athena++ Adaptive Mesh Refinement Framework AU - Stone, James M. [Institute for Advanced Study, Princeton, NJ (United States); Princeton Univ., NJ (United States)] (ORCID:0000000156031832) AU - Mullen, Patrick D. [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000321314634) AU - Fielding, Drummond [New York Univ. (NYU), NY (United States); Cornell Univ., Ithaca, NY (United States)] (ORCID:0000000338068548) AU - Grete, Philipp [Univ. of Hamburg (Germany)] (ORCID:0000000335559886) AU - Guo, Minghao [Princeton Univ., NJ (United States)] (ORCID:0000000236805420) AU - Kempski, Philipp [Princeton Univ., NJ (United States)] (ORCID:0009000921443912) AU - Most, Elias R. [California Institute of Technology (CalTech), Pasadena, CA (United States)] (ORCID:0000000204911210) AU - White, Christopher J. [Princeton Univ., NJ (United States); Flatiron Institute, New York, NY (United States)] AU - Wong, George N. [Institute for Advanced Study, Princeton, NJ (United States); Princeton Univ., NJ (United States)] (ORCID:0000000169522147) PY - 2026 DO - 10.3847/1538-4365/ae3717 UR - https://www.osti.gov/biblio/3374223 ID - 3374223 ER -