| MSC 1991 | Number of Preprints | |
| 35-XX | Partial differential equations
| 13 | browse |
| 35-00 | General reference works (handbooks, dictionaries, bibliographies, etc.)
| 13 | browse |
| 35-01 | Instructional exposition (textbooks, tutorial papers, etc.)
| 13 | browse |
| 35-02 | Research exposition (monographs, survey articles)
| 13 | browse |
| 35-03 | Historical
| 13 | browse |
| 35-04 | Explicit machine computation and programs (not the theory of computation or programming)
| 13 | browse |
| 35-06 | Proceedings, conferences, collections, etc.
| 13 | browse |
| 35Axx | General theory
| 26 | browse |
| 35Bxx | Qualitative properties of solutions
| 171 | browse |
| 35Cxx | Representations of solutions
| 21 | browse |
| 35Dxx | Generalized solutions of partial differential equations
| 38 | browse |
| 35Exx | Equations and systems with constant coefficients
| 6 | browse |
| 35Fxx | General first-order equations and systems
| 9 | browse |
| 35Gxx | General higher-order equations and systems
| 10 | browse |
| 35H05 | Hypoelliptic equations and systems
| - | |
| 35Jxx | Partial differential equations of elliptic type
| 150 | browse |
| 35Kxx | Parabolic equations and systems
| 180 | browse |
| 35Lxx | Partial differential equations of hyperbolic type
| 89 | browse |
| 35Mxx | Partial differential equations of special type (mixed, composite, etc.)
| 4 | browse |
| 35Nxx | Overdetermined systems
| 15 | browse |
| 35Pxx | Spectral theory and eigenvalue problems for partial differential operators
| 22 | browse |
| 35Qxx | Equations of mathematical physics and other areas of application
| 167 | browse |
| 35Rxx | Miscellaneous topics involving partial differential equations
| 97 | browse |
| 35Sxx | Pseudodifferential operators and other generalizations of partial differential operators
| 14 | browse |