Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Unit Fractions in Norm-Euclidean Rings of Integers   In this paper we make a Gaussian integer version of the Erd\H{o}s-Straus
conjecture and we solve the Erd\H{o}s-Straus diophantine equation over the
rings of integers of norm-Euclidean quadratic fields.

19
The categories of this paper are: eess
24
The categories of this paper are: dg-ga
28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
7
The categories of this paper are: hep-th
1
The categories of this paper are: cs
9
The categories of this paper are: nlin
30
The categories of this paper are: q-alg
23
The categories of this paper are: solv-int
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
31
The categories of this paper are: ao-sci
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
25
The categories of this paper are: patt-sol