Pseudodifferential operators serve as a pivotal extension of classical differential operators by incorporating non-local features through their symbols. These operators are fundamental in the analysis ...

Composition operators and Dirichlet series are central topics within functional analysis that bridge operator theory, analytic number theory and complex analysis. At their core, composition operators ...

An operator is a professional designation used in various industries, including broadcasting, computing, customer service, physics, and construction. Operators are day-to-day end users of systems, ...