@article{HoelterLemkeWeinzierletal.2025, author = {Arne H{\"o}lter and Mathias Lemke and Stefan Weinzierl and Lewin Stein}, title = {Non-Reflecting Characteristic Boundary Conditions for Adjoint Time-Domain Acoustic Simulations}, journal = {Journal of Theoretical and Computational Acoustics}, year = {2025}, note = {under review} language = {en} }