%0 Journal Article %A Ramona Häberli %T Overcoming the order barrier two in splitting methods when applied to semilinear parabolic problems with non-periodic boundary conditions %J The SMAI Journal of computational mathematics %D 2026 %P 269-288 %V 12 %I Société de Mathématiques Appliquées et Industrielles %U https://smai-jcm.centre-mersenne.org/articles/10.5802/smai-jcm.149/ %R 10.5802/smai-jcm.149 %G en %F SMAI-JCM_2026__12__269_0