Reports on Mathematical Physics (ISSN 0034-4877) is a peer-reviewed scientific journal, started in 1970, which publishes papers in theoretical physics that present a rigorous mathematical approach to problems of quantum and classical mechanics, field theories, relativity and gravitation, statistical physics, and the mathematical foundations of physical theories. The editor-in-chief of this journal is Andrzej Jamiołkowski. The impact factor of this journal is 0.742 in 2020. The CiteScore of the journal is 1.6 in 2020.