Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Zinbiel 2-algebras   The notions of Zinbiel 2-algebras and 2-term $Z_{\infty}$-algebras are
introduced. It is proved that the category of Zinbiel 2-algebras and the
category of $2$-term $Z_{\infty}$-algebras are equivalent to each other.
Crossed module extensions of Zinbiel algebras are studied. Relationship between
Zinbiel 2-algebras and dendriform 2-algebras are found.

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The categories of this paper are: q-bio
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The categories of this paper are: solv-int
4
The categories of this paper are: cond-mat
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The categories of this paper are: econ
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The categories of this paper are: hep-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: acc-phys
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The categories of this paper are: comp-gas
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The categories of this paper are: hep-ex
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The categories of this paper are: patt-sol
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The categories of this paper are: eess
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The categories of this paper are: mtrl-th
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The categories of this paper are: adap-org
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The categories of this paper are: supr-con
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The categories of this paper are: plasm-ph
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The categories of this paper are: ao-sci