TheAdvances in Operator Theory (e-ISSN 2538-225X) is an international, open access (free of charge) and peer-reviewed quarterly journal mainly presenting papers of high standards in

Operator Theory (MSC 47)

and

Functional Analysis (MSC 46)

Abstract Harmonic Analysis (MSC 43)

Linear and multilinear algebra; matrix theory (MSC15)

as well as

K-theory & operator theory (MSC19)

Topological groups, Lie groups & operator theory (MSC22)

Real functions & operator theory (MSC 26)

Measure and integration & operator theory (MSC28)

Functions of a complex variable & operator theory (MSC30)

Ordinary differential equations & operator theory (MSC34)

Partial differential equations & operator theory (MSC35)

Dynamical Systems and Ergodic Theory & operator theory (MSC37)

Difference and functional equations & operator theory (MSC39)

Harmonic analysis on Euclidean spaces & operator theory (MSC42)

Integral equations & operator theory (MSC45)

Calculus of variations and optimal control; optimization & operator theory (MSC49)

Global analysis, analysis on manifolds & operator theory (MSC58)

Probability theory and stochastic processes & operator theory (MSC60)

Quantum theory & operator theory (MSC81)

It publishes papers with deep results, new ideas, profound impact and significant implications. The journal is composed of original research and survey articles.

Its publisher is the Tusi Math. Research Group (TMRG), the publisher of