MSC results for "31"

**31-00**(1973-now) General reference works (handbooks, dictionaries, bibliographies, etc.)

**31-01**(1973-now) Instructional exposition (textbooks, tutorial papers, etc.)

**31-02**(1973-now) Research exposition (monographs, survey articles)

**31-03**(1973-now) Historical (must also be assigned at least one classification number from Section 01)

**31-04**(1980-now) Explicit machine computation and programs (not the theory of computation or programming)

**31-06**(1973-now) Proceedings, conferences, collections, etc.

**31A**(1973-now) Two-dimensional theory

**31B**(1973-now) Higher-dimensional theory

**31C**(1973-now) Other generalizations

**31D**(2010-now) Axiomatic potential theory

**31E**(2010-now) Potential theory on metric spaces

**31.00**(1959-1972) General

**31.0**(1940-1958) Harmonic functions, potential theory

**31.10**(1959-1972) Harmonic functions in the plane

**31.11**(1959-1972) Harmonic functions, general

**31.15**(1959-1972) Subharmonic, superharmonic functions

**31.20**(1959-1972) Boundary value problems, Dirichlet problem

**31.21**(1959-1972) Capacity and harmonic measure

**31.22**(1959-1972) Generalized capacity and potential

**31.30**(1959-1972) Biharmonic and polyharmonic functions and equations

**31.35**(1959-1972) Poisson's equation

**31.50**(1959-1972) Axiomatic potential theory

**31.99**(1959-1972) None of the above, but in this section