Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Baxter Algebras and Hopf Algebras   By applying a recent construction of free Baxter algebras, we obtain a new
class of Hopf algebras that generalizes the classical divided power Hopf
algebra. We also study conditions under which these Hopf algebras are
isomorphic.

5
The categories of this paper are: gr-qc
1
The categories of this paper are: cs
21
The categories of this paper are: adap-org
36
The categories of this paper are: cmp-lg
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The categories of this paper are: hep-th
18
The categories of this paper are: econ
14
The categories of this paper are: math-ph
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg
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The categories of this paper are: q-fin
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
27
The categories of this paper are: comp-gas
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The categories of this paper are: hep-ph
3
The categories of this paper are: physics
25
The categories of this paper are: patt-sol