What peer-reviewed scientific journal, started in 1970, discusses a geometric theory published by Albert Einstein?
Reports on Mathematical Physics: 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 and field theories, relativity and gravitation, statistical physics, and the mathematical foundations of physical theories. General relativity: General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics.
Reports on Mathematical Physics