Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Geometric Proof to Cantor's Theorem and an Irrationality Measure for
  Some Cantor's Series   Generalizing a geometric idea due to J. Sondow, we give a geometric proof for
the Cantor's Theorem. Moreover, it is given an irrationality measure for some
Cantor series.

30
The categories of this paper are: q-alg
27
The categories of this paper are: comp-gas
16
The categories of this paper are: stat
34
The categories of this paper are: chem-ph
35
The categories of this paper are: mtrl-th
32
The categories of this paper are: atom-ph
10
The categories of this paper are: q-bio
31
The categories of this paper are: ao-sci
11
The categories of this paper are: hep-lat
8
The categories of this paper are: hep-ex
36
The categories of this paper are: cmp-lg
12
The categories of this paper are: nucl-th
37
The categories of this paper are: supr-con
28
The categories of this paper are: alg-geom
7
The categories of this paper are: hep-th
24
The categories of this paper are: dg-ga