The Department of Material Physics and Mechanics at the Institute of Physics of the University of São Paulo (FMT/IFUSP) is pleased to announce that the PhD thesis defense of João Victor Ferreira Alves was successfully completed. Under the supervision of Prof. Dr. Luís Gregório Godoy de Vasconcellos Dias da Silva, the thesis entitled "RKKY Interaction in Topological Semimetals" was presented on March 24, 2025 (Monday), at 2:00 PM, in the Main Building of IFUSP, Room 2006.