Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Concise sharpening and generalizations of Shafer's inequality for the
  arc sine function   In this paper, by a concise and elementary approach, we sharpen and
generalize Shafer's inequality for the arc sine function, and some known
results are extended and generalized.

8
The categories of this paper are: hep-ex
21
The categories of this paper are: adap-org
24
The categories of this paper are: dg-ga
6
The categories of this paper are: astro-ph
11
The categories of this paper are: hep-lat
34
The categories of this paper are: chem-ph
27
The categories of this paper are: comp-gas
14
The categories of this paper are: math-ph
33
The categories of this paper are: plasm-ph
23
The categories of this paper are: solv-int
0
The categories of this paper are: hep-ph
29
The categories of this paper are: funct-an
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
22
The categories of this paper are: chao-dyn
19
The categories of this paper are: eess