## 45-XX INTEGRAL EQUATIONS

- 45-00 General reference works (handbooks, dictionaries, bibliographies, etc.)
- 45-01 Instructional exposition (textbooks, tutorial papers, etc.)
- 45-02 Research exposition (monographs, survey articles)
- 45-03 Historical (must also be assigned at least one classification number from Section 01)
- 45-04 Explicit machine computation and programs (not the theory of computation or programming)
- 45-06 Proceedings, conferences, collections, etc.
- 45Axx Linear integral equations (2)
- 45Bxx Fredholm integral equations (5)
- 45Cxx Eigenvalue problems [See also 34Lxx, 35Pxx, 45P05, 47A75]
- 45Dxx Volterra integral equations [See also 34A12]
- 45Exx Singular integral equations [See also 30E20, 30E25, 44A15, 44A35] (1)
- 45Fxx Systems of linear integral equations
- 45Gxx Nonlinear integral equations [See also 47H30, 47Jxx]
- 45Hxx Miscellaneous special kernels [See also 44A15]
- 45Jxx Integro-ordinary differential equations [See also 34K05, 34K30, 47G20]
- 45Kxx Integro-partial differential equations [See also 34K30, 35R09, 35R10, 47G20] (1)
- 45Lxx Theoretical approximation of solutions (For numerical analysis, see 65Rxx) (2)
- 45Mxx Qualitative behavior
- 45Nxx Abstract integral equations, integral equations in abstract spaces
- 45Pxx Integral operators [See also 47B38, 47G10]
- 45Qxx Inverse problems (5)
- 45Rxx Random integral equations [See also 60H20]