Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Standard Model   These lectures provide an introduction to the basic aspects of the Standard
Model, $SU(3)_{C} \times SU(2)_{L} \times U(1)_{Y}$.

1
The categories of this paper are: cs
13
The categories of this paper are: quant-ph
22
The categories of this paper are: chao-dyn
18
The categories of this paper are: econ
19
The categories of this paper are: eess
23
The categories of this paper are: solv-int
28
The categories of this paper are: alg-geom
33
The categories of this paper are: plasm-ph
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math
20
The categories of this paper are: acc-phys
30
The categories of this paper are: q-alg
29
The categories of this paper are: funct-an
16
The categories of this paper are: stat
3
The categories of this paper are: physics
17
The categories of this paper are: q-fin