@misc{ArnoldEhrhardtSchulteetal.2006, author = {Anton Arnold and Matthias Ehrhardt and Maike Schulte and Ivan Sofronov}, title = {Discrete transparent boundary conditions for the two dimensional Schr{\"o}dinger equation}, institution = {Technische Universit{\"a}t Berlin}, type = {preprintmatheon}, year = {2006}, }