The Journal of Physics A: Mathematical and Theoretical is a peer-reviewed scientific journal published by IOP Publishing. It is part of the Journal of Physics series and covers theoretical physics focusing on sophisticated mathematical and computational techniques. It was established in 1968 from the division of the earlier title, Proceedings of the Physical Society. The editor in chief is Joseph A Minahan (Uppsala Universitet, Sweden). According to the Journal Citation Reports, the journal has a 2020 impact factor of 2.132.