Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Picard family of curves and hypergeometric functions over finite
  fields I   We give an expression for the trace of Frobenius for the family of curves \[
y^3 = x (x-1)(x-\lambda)(x-\mu) \] over finite fields in terms of finite field
hypergeometric functions.

25
The categories of this paper are: patt-sol
17
The categories of this paper are: q-fin
13
The categories of this paper are: quant-ph
30
The categories of this paper are: q-alg
16
The categories of this paper are: stat
20
The categories of this paper are: acc-phys
22
The categories of this paper are: chao-dyn
8
The categories of this paper are: hep-ex
9
The categories of this paper are: nlin
1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
4
The categories of this paper are: cond-mat
27
The categories of this paper are: comp-gas
7
The categories of this paper are: hep-th
18
The categories of this paper are: econ
29
The categories of this paper are: funct-an