He is working in operator theory, complex analysis and harmonic analysis.

Established in 2006, the journal publishes articles on functional analysis and operator theory.

Banach spaces and operator theory, the subject of his thesis.

Kurepa's most important results were in functional analysis and operator theory.

Composition operators are studied in the field of operator theory.

He is known for his contributions to operator theory and functional analysis.

More details should be found in the article about operator theory.

It was first used in mathematics during the development of operator theory before acquiring a name.

His areas of research include operator theory and C*-algebras.

A large amount of operator theory was developed in the 1920s and 1930s to provide a rigorous foundation for quantum mechanics.