Date: Fri, 16 Apr 2021 20:40:10 -0500 (CDT) From: "Stephen A. Fulling" To: Acceleration Radiation Community: ; cc: Stephen Fulling Subject: Articles ## 2 and 3 Dear Members of the Acceleration Radiation Community, I am pleased to announce that we have two more articles in our topical collection: 2. Quantum Power Distribution of Relativistic Acceleration Radiation: Classical Electrodynamic Analogies with Perfectly Reflecting Moving Mirrors, by Abay Zhakenuly, Maksat Temirkhan, Michael R. R. Good, and Pisin Chen, /Symmetry/ *2021*, /13/(4), 653; https://doi.org/10.3390/sym13040653 - 12 Apr 2021 3. Interpretations and Naturalness in the Radiation-Reaction Problem, by Carlos Barcelo, Luis J. Garay, and Jaime Redondo-Yuste, /Symmetry/ *2021*, /13/(4), 658; https://doi.org/10.3390/sym13040658 - 12 Apr 2021 The URL for the collection is https://www.mdpi.com/journal/symmetry/special_issues/Acceleration_Radiation Stephen A. Fulling Professor of Mathematics and Physics Texas A&M University College Station, TX 77843-3368 USA