Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A note on "On Green's relations, $2^{0}$-regularity and quasi-ideals in
  $\Gamma$-semigroups, Acta Math. Sin., Engl. Ser., 29, No. 3, 609-624(2013)"   The aim of this note is to point out some inaccuracies in our paper \cite{HD}
and to fix them. Some new notions are introduced and properties of them are
investigated.

4
The categories of this paper are: cond-mat
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
26
The categories of this paper are: bayes-an
37
The categories of this paper are: supr-con
28
The categories of this paper are: alg-geom
33
The categories of this paper are: plasm-ph
19
The categories of this paper are: eess
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
25
The categories of this paper are: patt-sol
30
The categories of this paper are: q-alg
32
The categories of this paper are: atom-ph
18
The categories of this paper are: econ
0
The categories of this paper are: hep-ph
6
The categories of this paper are: astro-ph