Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A note on Riley polynomials of $2$-bridge knots   In this short note we show the existence of an epimorphism between groups of
$2$-bridge knots by means of an elementary argument using the Riley polynomial.
As a corollary, we give a classification of $2$-bridge knots by Riley
polynomials.

8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
26
The categories of this paper are: bayes-an
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The categories of this paper are: solv-int
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The categories of this paper are: hep-th
34
The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph
16
The categories of this paper are: stat
10
The categories of this paper are: q-bio
25
The categories of this paper are: patt-sol
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The categories of this paper are: econ
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
24
The categories of this paper are: dg-ga
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The categories of this paper are: eess
27
The categories of this paper are: comp-gas