The Journal of the American Mathematical Society (JAMS), is a quarterly peer-reviewed mathematical journal published by the American Mathematical Society. It was established in January 1988. This journal is abstracted and indexed in: Mathematical Reviews Zentralblatt MATH Science Citation Index ISI Alerting Services CompuMath Citation Index Current Contents/Physical, Chemical & Earth Sciences. According to the Journal Citation Reports, the journal has a 2020 impact factor of 5.318, ranking it 2nd out of 330 journals in the category "Mathematics".