Using Hardware Transactional Memory for High-Performance Computing. - Karl Ljungkvist; Martin Tillenius; David Black-Schaffer; Sverker Holmgren; Martin Karlsson; Elisabeth Larsson (IPDPS Workshops, 2011)

Matrix-Free Finite-Element Operator Application on Graphics Processing Units. - Karl Ljungkvist (Euro-Par Workshops (2), 2014)

Matrix-free finite-element computations on graphics processors with adaptively refined unstructured meshes. - Karl Ljungkvist (SpringSim (HPC), 2017)

Finite Element Computations on Multicore and Graphics Processors. - Karl Ljungkvist (2017)

Multigrid for Matrix-Free High-Order Finite Element Computations on Graphics Processors. - Martin Kronbichler 002; Karl Ljungkvist (ACM Trans. Parallel Comput., 2019)

Efficient Application of Hanging-Node Constraints for Matrix-Free High-Order FEM Computations on CPU and GPU. - Peter Munch; Karl Ljungkvist; Martin Kronbichler 002 (ISC, 2022)