Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Free involutive Hom-semigroups and Hom-associative algebras   In this paper we construct free Hom-semigroups when its unary operation is
multiplicative and is an involution. Our method of construction is by bracketed
words. As a consequence, we obtain free Hom-associative algebras generated by a
set under the same conditions for the unary operation.

4
The categories of this paper are: cond-mat
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The categories of this paper are: solv-int
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The categories of this paper are: hep-th
3
The categories of this paper are: physics
30
The categories of this paper are: q-alg
25
The categories of this paper are: patt-sol
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
17
The categories of this paper are: q-fin
5
The categories of this paper are: gr-qc
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The categories of this paper are: acc-phys
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The categories of this paper are: q-bio
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The categories of this paper are: bayes-an
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The categories of this paper are: adap-org
6
The categories of this paper are: astro-ph
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The categories of this paper are: dg-ga