2026. GPU-ACCELERATED SOLUTION OF THE 2D POISSON EQUATION: A COMPARATIVE STUDY OF JACOBI AND RED-BLACK GAUSS–SEIDEL METHODS WITH GLOBAL AND SHARED MEMORY. Journal of Problems in Computer Science and Information Technologies. 4, 3 (сен. 2026), 36–48. DOI:https://doi.org/10.26577/jpcsit5320263.