Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On fractional derivatives and primitives of periodic functions   In this paper we prove that the fractional derivative or the fractional
primitive of a $T$-periodic function cannot be a $\tilde{T}$-periodic function,
for any period $\tilde{T}$, with the exception of the zero function.

3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an
19
The categories of this paper are: eess
0
The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an
15
The categories of this paper are: nucl-ex
37
The categories of this paper are: supr-con
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
33
The categories of this paper are: plasm-ph
16
The categories of this paper are: stat
11
The categories of this paper are: hep-lat
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
31
The categories of this paper are: ao-sci