| MSC 1991 | Number of Preprints | |
| 44-XX | Integral transforms, operational calculus
| - | |
| 44-00 | General reference works (handbooks, dictionaries, bibliographies, etc.)
| - | |
| 44-01 | Instructional exposition (textbooks, tutorial papers, etc.)
| - | |
| 44-02 | Research exposition (monographs, survey articles)
| - | |
| 44-03 | Historical
| - | |
| 44-04 | Explicit machine computation and programs (not the theory of computation or programming)
| - | |
| 44-06 | Proceedings, conferences, collections, etc.
| - | |
| 44A05 | General transforms
| 21 | browse |
| 44A10 | Laplace transform
| 21 | browse |
| 44A12 | Radon transform
| 21 | browse |
| 44A15 | Special transforms (Legendre, Hilbert, etc.)
| 21 | browse |
| 44A20 | Transforms of special functions
| 21 | browse |
| 44A30 | Multiple transforms
| 21 | browse |
| 44A35 | Convolution
| 21 | browse |
| 44A40 | Calculus of Mikusinski and other operational calculi
| 21 | browse |
| 44A45 | Classical operational calculus
| 21 | browse |
| 44A55 | Discrete operational calculus
| 21 | browse |
| 44A60 | Moment problems
| 21 | browse |
| 44A99 | Miscellaneous topics
| 21 | browse |