Welcome to the mathematics research hub for papers categorised under MSC 2010 classifications as Operator Theory. Papers on this page are organised in collections from 47- through 47S, although not all collections may have papers published in that area at this time. Visit the MSC2010 database from MathScinet for a full list of codes.

**Jump to the following areas**

**47-XX: Operator theory 47Axx: General theory of linear operators 47Bxx: Special classes of linear operators 47Cxx: Individual linear operators as elements of algebraic systems 47Dxx: Groups and semigroups of linear operators, their generalizations and applications 47Exx: Ordinary differential operators 47Fxx: Partial differential operators 47Gxx: Integral, integro-differential, and pseudodifferential operators 47Hxx: Nonlinear operators and their properties 47Jxx: Equations and inequalities involving nonlinear operators 47Lxx: Linear spaces and algebras of operators 47Nxx: Miscellaneous applications of operator theory ****47Sxx: Other (nonclassical) types of operator theory**