Retraction Note: A remark on the Dirichlet problem in a half-plane

The Editor-in-Chief has retracted this article [1] because it shows significant overlap with a previously published article [2]. The article also shows evidence of peer review manipulation. In addition, the identity of the corresponding author could not be verified: Stockholms Universitet have confirmed that Alexander Yamada has not been affiliated with their institution. The authors have not responded to any correspondence regarding this retraction.