We describe the implementation of multigrid solvers in the Athena++ adaptive mesh
refinement (AMR) framework and their application to the solution of the Poisson equation for …

The formation of protoplanetary and protostellar systems is a complex and heterogeneous
astrophysical phenomenon driven by the interaction between magnetohydrodynamical …

Testing theories describing astronomical phenomena is hard, as experiments are practically
impossible to conduct and astronomers throughout history have been forced to rely on …