About Journal

The Advances in Operator Theory (AOT) is a peer-reviewed quarterly electronic journal published by the Tusi Math. Research Group (TMRG), the publisher of Banach J. Math. Anal. (BJMA) and Ann. Funct. Anal. (AFA).




 Please submit new and revised articles to the new Editorial Manager System at


 The new publisher of Adv. Oper. Theory from the issues of 2020 is Springer/Birkhauser:


All accepted papers will be published by Springer from now on.

Its electronic ISSN is 2538-225X. It publishes papers of high standards (with deep results, new ideas, profound impact and significant implications). The journal is composed of original research and survey articles. AOT publishes original research papers of high standards in all areas of Operator Theory and all modern related topics (in, e.g., functional analysis).